* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    /* Bridge legacy custom properties to daisyUI theme tokens.
       Changing the daisyUI theme (data-theme) automatically updates all colors. */
    --bg-dark: #f7f2e8;
    --bg-card: var(--color-base-200);
    --bg-card-hover: var(--color-base-100);
    --accent-gold: var(--color-primary);
    --accent-blue: #17c6bd;
    --accent-green: var(--color-success);
    --accent-red: var(--color-error);
    --accent-purple: var(--color-secondary);
    --accent-warning: var(--color-warning);
    --accent-info: var(--color-info);
    --text-primary: var(--color-base-content);
    --text-secondary: color-mix(in oklch, var(--color-base-content) 70%, transparent);
    --text-muted: color-mix(in oklch, var(--color-base-content) 45%, transparent);
    --text-on-accent: var(--color-accent-content);
    --text-on-blue: #083841;
    --border-subtle: color-mix(in oklch, var(--color-base-content) 12%, transparent);

    /* Overlay / surface tokens */
    --overlay-dark: color-mix(in oklch, var(--color-base-200) 95%, transparent);
    --overlay-backdrop: color-mix(in oklch, var(--color-base-300) 58%, transparent);
    --surface-input: color-mix(in oklch, var(--color-base-300) 60%, transparent);
    --surface-inset: color-mix(in oklch, var(--color-base-content) 5%, transparent);

    /* Board palette defaults (used in light mode) */
    --board-light: #d4bb9a;
    --board-dark: #8e6b4a;
    --board-light-text: #6c533c;
    --board-dark-text: #ead8c2;

    /* Piece colours */
    --piece-white: #fffdf8;
    --piece-black: #0b101a;

    /* QR pane background (must match server-side QR background per theme) */
    --qr-pane-bg: #eceff1;

    /* Arrow / move annotation colours */
    --arrow-primary: #2f8fa8;
    --arrow-alt: #c98a3c;
    --move-marker: #1e8ea0;
    --capture-marker: #d24535;
    --check-capture-marker: #d8a23a;
    --last-move-from-marker: #3f98bf;
    --last-move-to-marker: #d4a14b;

    /* Support / buy-me-coffee accent */
    --support-accent: var(--color-warning);
}

[data-theme="dark"] {
    --bg-dark: var(--color-base-300);
    --accent-blue: var(--color-info);
    --text-on-blue: var(--color-info-content);
    --overlay-dark: color-mix(in oklch, var(--color-base-300) 95%, transparent);
    --board-light: #365a90;
    --board-dark: #274472;
    --board-light-text: #ecf3ff;
    --board-dark-text: #d9e8ff;
    --piece-white: #f9fbff;
    --arrow-primary: #63c9ff;
    --arrow-alt: #ffc66b;
    --move-marker: #5ec1ef;
    --capture-marker: #ff7b7b;
    --check-capture-marker: #ffd978;
    --last-move-from-marker: #6ecfff;
    --last-move-to-marker: #ffd978;
    --qr-pane-bg: #1d232a;
}

/* Theme toggle – fixed top-right, minimal icon-only */
.theme-toggle {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 900;
    width: 36px;
    height: 36px;
    display: inline-grid;
    place-items: center;
    border-radius: 999px;
    border: 1px solid color-mix(in oklch, var(--accent-blue) 45%, var(--border-subtle));
    background: color-mix(in oklch, var(--accent-blue) 12%, var(--bg-card));
    color: color-mix(in oklch, var(--accent-blue) 82%, var(--text-primary));
    box-shadow: 0 4px 14px color-mix(in oklch, var(--accent-blue) 22%, transparent);
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.16s ease;
}

.theme-toggle .swap-on {
    transform: rotate(-70deg) scale(0.76);
}

.theme-toggle .swap-off {
    transform: rotate(70deg) scale(0.76);
}

.theme-toggle input:checked ~ .swap-on,
.theme-toggle input:indeterminate ~ .swap-on {
    transform: rotate(0deg) scale(1);
}

.theme-toggle input:checked ~ .swap-off,
.theme-toggle input:indeterminate ~ .swap-off {
    transform: rotate(70deg) scale(0.76);
}

.theme-toggle input:not(:checked):not(:indeterminate) ~ .swap-off {
    transform: rotate(0deg) scale(1);
}

.theme-toggle input:not(:checked):not(:indeterminate) ~ .swap-on {
    transform: rotate(-70deg) scale(0.76);
}

.theme-toggle:hover {
    color: var(--text-on-blue);
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

.theme-toggle input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.theme-toggle .swap-on,
.theme-toggle .swap-off {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transform-origin: center;
    backface-visibility: hidden;
}

.theme-toggle:has(input:focus-visible) {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

.theme-toggle input:focus-visible ~ .swap-on,
.theme-toggle input:focus-visible ~ .swap-off {
    filter: drop-shadow(0 0 0.5px var(--accent-blue)) drop-shadow(0 0 5px color-mix(in oklch, var(--accent-blue) 45%, transparent));
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(ellipse at top, color-mix(in oklch, var(--accent-purple) 15%, transparent) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, color-mix(in oklch, var(--accent-blue) 10%, transparent) 0%, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

[data-theme="light"] body {
    background-image:
        radial-gradient(ellipse at top, color-mix(in oklch, #efd2b2 52%, transparent) 0%, transparent 52%),
        radial-gradient(ellipse at bottom, color-mix(in oklch, #f3e6d5 42%, transparent) 0%, transparent 56%);
}

/* Wrapper for main content - fills at least full viewport height */
.page-wrapper {
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height for mobile */
    display: flex;
    flex-direction: column;
    padding: 16px;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
}

.chess-container {
    max-width: min(1200px, 100vw - 16px);
    padding-bottom: calc(28px + env(safe-area-inset-bottom));
    overflow-x: clip;
}

.chess-container:has(.your-status) {
    padding-bottom: calc(90px + env(safe-area-inset-bottom));
}

/* Typography */
h1 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 8px 0;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 16px 0;
}

h3 {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0 0 12px 0;
}

p {
    line-height: 1.6;
    margin: 12px 0;
    font-size: 1rem;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 24px;
}

#share-btn {
    background: color-mix(in oklch, var(--accent-blue) 18%, var(--bg-card));
    border: 1px solid color-mix(in oklch, var(--accent-blue) 62%, transparent);
    color: color-mix(in oklch, var(--accent-blue) 85%, var(--text-primary));
    box-shadow: 0 2px 10px color-mix(in oklch, var(--accent-blue) 20%, transparent);
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
    margin-top: 0;
    width: 40px;
    min-width: 40px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
    margin-right: 0;
}

#qr-btn {
    min-width: 44px;
    width: 44px;
    min-height: 40px;
    padding: 8px;
    border-radius: 8px;
    background: color-mix(in oklch, var(--accent-blue) 18%, var(--bg-card));
    border: 1px solid color-mix(in oklch, var(--accent-blue) 62%, transparent);
    color: color-mix(in oklch, var(--accent-blue) 85%, var(--text-primary));
    box-shadow: 0 2px 10px color-mix(in oklch, var(--accent-blue) 20%, transparent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.header-action-btn {
    min-height: 40px;
    padding: 8px 16px;
    border-radius: 8px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.header-action-btn--icon {
    width: 40px;
    min-width: 40px;
    padding: 8px;
}

.header-action-btn:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

#qr-btn:hover,
#qr-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--text-on-blue);
}

.qr-icon {
    display: inline-flex;
    width: 20px;
    height: 20px;
}

.share-icon,
.sound-icon,
.surrender-icon,
.replay-icon {
    display: inline-flex;
    width: 16px;
    height: 16px;
}

.qr-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.share-icon svg,
.sound-icon svg,
.surrender-icon svg,
.replay-icon svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.replay-btn.disabled,
.replay-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

#replay-back-btn,
#replay-forward-btn {
    min-width: 40px;
    width: 40px;
    min-height: 40px;
    height: 40px;
    padding: 8px;
    background: color-mix(in oklch, var(--accent-blue) 18%, var(--bg-card));
    border: 1px solid color-mix(in oklch, var(--accent-blue) 62%, transparent);
    color: color-mix(in oklch, var(--accent-blue) 85%, var(--text-primary));
    box-shadow: 0 2px 10px color-mix(in oklch, var(--accent-blue) 20%, transparent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

#replay-back-btn:hover,
#replay-forward-btn:hover,
#replay-back-btn.active,
#replay-forward-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--text-on-blue);
}

#chess-content[data-replay-active="1"] .chess-board {
    outline: 2px solid color-mix(in oklch, var(--last-move-to-marker) 68%, transparent);
    outline-offset: 3px;
}

[data-theme="light"] #chess-content[data-replay-active="1"] .chess-board {
    outline: 2px solid color-mix(in oklch, var(--last-move-from-marker) 66%, transparent);
}

.qr-image {
    width: min(320px, 82vw);
    height: auto;
    display: block;
    border-radius: 0;
    border: none;
    background: transparent;
    padding: 0;
    box-shadow: none;
}

.header-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: nowrap;
    align-items: center;
    overflow: visible;
}

.qr-modal {
    border: none;
    border-radius: 16px;
    padding: 0;
    background: transparent;
    max-width: none;
}

.qr-modal[open] {
    position: fixed;
    inset: 0;
    margin: 0;
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
    display: grid;
    place-items: center;
    padding: 16px;
}

.qr-modal::backdrop {
    background: color-mix(in oklch, var(--overlay-backdrop) 92%, transparent);
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
}

.qr-modal-box {
    background: var(--qr-pane-bg);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    margin: auto;
    padding: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: 0 26px 72px color-mix(in oklch, var(--bg-dark) 64%, transparent), 0 0 0 1px color-mix(in oklch, var(--border-subtle) 55%, transparent);
}

[data-theme="dark"] .qr-modal::backdrop {
    background: color-mix(in oklch, var(--bg-dark) 68%, transparent);
    backdrop-filter: blur(12px) saturate(115%);
    -webkit-backdrop-filter: blur(12px) saturate(115%);
}

[data-theme="light"] .qr-modal::backdrop {
    background: color-mix(in oklch, #c9b8a0 24%, transparent);
}

#share-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--text-on-blue);
}

#share-btn.copied {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--bg-dark);
}

#sound-btn {
    background: color-mix(in oklch, var(--accent-blue) 18%, var(--bg-card));
    border: 1px solid color-mix(in oklch, var(--accent-blue) 62%, transparent);
    color: color-mix(in oklch, var(--accent-blue) 85%, var(--text-primary));
    box-shadow: 0 2px 10px color-mix(in oklch, var(--accent-blue) 20%, transparent);
    width: 40px;
    min-width: 40px;
    min-height: 40px;
    padding: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

#sound-btn:hover,
#sound-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--text-on-blue);
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    text-align: center;
}

.card h2 {
    text-align: center;
}

.option-row {
    margin: 8px 0;
    text-align: left;
}

.timed-config {
    margin-top: 10px;
    margin-left: 56px;
    padding: 0;
    border-radius: 12px;
    border: 0 solid transparent;
    background: transparent;
    max-height: 300px;
    opacity: 1;
    overflow: hidden;
    transition: max-height 200ms ease, opacity 150ms ease, transform 180ms ease, margin-top 180ms ease;
}

#timed-config-wrap {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    transform: translateY(-4px);
    pointer-events: none;
}

#timed-config-wrap.hidden,
#clock-increment-seconds-wrap.hidden {
    display: block;
}

#timed-config-wrap:not(.hidden) {
    max-height: 600px;
    opacity: 1;
    margin-top: 10px;
    padding: 10px 12px 12px;
    border-width: 1px;
    border-color: color-mix(in oklch, var(--accent-blue) 25%, var(--border-subtle));
    background: color-mix(in oklch, var(--surface-input) 70%, transparent);
    transform: translateY(0);
    pointer-events: auto;
}

.timed-config-field + .timed-config-field {
    margin-top: 8px;
}

#clock-increment-seconds-wrap {
    overflow: hidden;
    transition: max-height 200ms ease, opacity 150ms ease, margin-top 180ms ease;
    max-height: 160px;
    opacity: 1;
    margin-top: 8px;
}

#clock-increment-seconds-wrap.hidden {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    pointer-events: none;
}

.timed-config label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 500;
}

.timed-config label.option-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    width: min(260px, 100%);
    margin-bottom: 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
}

.timed-config input[type="number"] {
    width: min(260px, 100%);
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
    background: var(--surface-input);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.timed-config.hidden {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    transform: translateY(-4px);
    pointer-events: none;
}

.option-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.option-checkbox-compact {
    margin-top: 8px;
    margin-bottom: 0;
}

.option-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.option-slider {
    position: relative;
    flex: 0 0 42px;
    width: 42px;
    height: 24px;
    border-radius: 999px;
    border: 1px solid color-mix(in oklch, var(--accent-blue) 45%, transparent);
    background: var(--surface-input);
    transition: background 180ms ease, border-color 180ms ease;
}

.option-slider::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: var(--text-secondary);
    transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1), background 180ms ease;
}

.option-copy {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1 1 auto;
}

.option-title {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 600;
}

.option-subtitle {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.3;
}

.option-checkbox input[type="checkbox"]:checked + .option-slider {
    background: color-mix(in oklch, var(--accent-blue) 22%, transparent);
    border-color: var(--accent-blue);
}

.option-checkbox input[type="checkbox"]:checked + .option-slider::after {
    transform: translateX(18px);
    background: var(--accent-blue);
}

.option-checkbox input[type="checkbox"]:focus-visible + .option-slider {
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent-blue) 22%, transparent);
}

.mode-form {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Error Message */
.error-message {
    background: color-mix(in oklch, var(--accent-red) 15%, transparent);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
}

/* Forms */
form {
    display: block;
    width: 100%;
    min-height: 100%;
}

#create-form-chess {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
}

#create-form-chess .btn-primary {
    margin-top: 12px;
}

#create-form-chess .option-row {
    margin: 0;
}

#create-form-chess .form-group {
    margin-bottom: 22px;
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid var(--border-subtle);
    border-radius: 14px;
    background: var(--surface-input);
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 500;
    transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent-blue) 15%, transparent);
}

input::placeholder {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    padding: 18px 32px;
    border: none;
    border-radius: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    -webkit-appearance: none;
    appearance: none;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.96);
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--text-on-blue);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 16px 24px;
    line-height: 1.2;
    font-size: 1.05rem;
    box-shadow: 0 4px 16px color-mix(in oklch, var(--accent-blue) 25%, transparent);
}

.btn-primary:hover {
    background: color-mix(in oklch, var(--accent-blue) 82%, var(--bg-dark));
    box-shadow: 0 6px 24px color-mix(in oklch, var(--accent-blue) 35%, transparent);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    width: 100%;
    display: block;
    border: 2px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-blue);
}

/* Players Section */
.players-section {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border-subtle);
}

.players-section h3 {
    margin: 0 0 10px 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.players-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}

.player-card {
    background: var(--surface-inset);
    border-radius: 12px;
    padding: 10px 8px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    height: 74px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.player-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform 180ms ease;
}

.player-card:has(.player-connection-state.active) .player-main {
    transform: translateY(-2px);
}

.player-card.you {
    border-color: var(--accent-blue);
    background: color-mix(in oklch, var(--accent-blue) 10%, transparent);
    box-shadow: 0 0 20px color-mix(in oklch, var(--accent-blue) 15%, transparent);
}

.player-card.current {
    border-color: var(--accent-gold);
    background: color-mix(in oklch, var(--accent-gold) 10%, transparent);
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { 
        box-shadow: 0 0 20px color-mix(in oklch, var(--accent-gold) 20%, transparent);
    }
    50% { 
        box-shadow: 0 0 30px color-mix(in oklch, var(--accent-gold) 40%, transparent);
    }
}

.player-card.spectator {
    opacity: 0.4;
    background: color-mix(in oklch, var(--text-muted) 10%, transparent);
}

.player-card.disconnected {
    opacity: 0.35;
    border-color: var(--accent-red);
    background: color-mix(in oklch, var(--accent-red) 5%, transparent);
}

.player-name {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    text-align: center;
}

.player-status {
    color: var(--text-muted);
    font-size: 0.7rem;
    margin-top: 0;
    font-weight: 500;
    text-align: center;
}

.player-guessed {
    color: var(--accent-green);
    font-size: 0.7rem;
    margin-top: 4px;
    font-weight: 600;
}

.player-disconnected {
    color: var(--accent-red);
    font-size: 0.75rem;
    margin-top: 0;
    font-weight: 600;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-countdown {
    color: var(--accent-gold);
    font-size: 0.75rem;
    margin-top: 0;
    font-weight: 600;
    animation: pulse 1s ease-in-out infinite;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-connection-state {
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(-2px);
    transition: max-height 180ms ease, opacity 160ms ease, margin-top 180ms ease, transform 180ms ease;
}

.player-connection-state.active {
    min-height: 18px;
    max-height: 24px;
    opacity: 1;
    margin-top: 6px;
    transform: translateY(0);
}

.countdown-timer {
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Game Area */
.chess-area {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 16px;
    overflow: hidden;
    min-height: 0;
}

.chess-status-strip {
    text-align: center;
    margin: 0 auto;
    width: 100%;
    max-width: 560px;
    display: flex;
    align-items: stretch;
    justify-content: center;
    min-height: 80px;
    padding: 0;
}

.chess-status-content {
    width: 100%;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 0;
}

.chess-status-content.waiting-status {
    min-height: auto;
    gap: 6px;
    padding: 14px 0 4px;
}

.chess-status-content.in-progress-status,
.chess-status-content.game-over-status {
    min-height: 80px;
}

.chess-status-strip p,
.chess-status-strip .hint,
.chess-status-strip .check-alert,
.chess-status-strip .turn-line,
.chess-status-strip .winner-text {
    margin: 0;
}

.waiting-ready {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
}

.waiting-share {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.35;
    max-width: min(90vw, 720px);
}

.chess-board-stage {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin-top: 0;
}

.chess-board-stage-outside {
    margin-top: 0;
}

.chess-board-meta {
    width: min(calc(100vw - 88px), calc(100dvh - 320px), 900px);
    margin: 6px auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 4px 2px;
}

.chess-board-meta-enemy {
    margin-bottom: 2px;
}

.chess-board-meta-enemy .captured-pieces {
    min-height: 22px;
    transform: none;
}

.chess-board-meta-own {
    margin-top: 2px;
}

.board-side-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.board-side-meta {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    row-gap: 2px;
    min-width: 0;
    flex: 1 1 auto;
    flex-wrap: wrap;
}

.board-side-identity {
    display: inline-flex;
    align-items: flex-start;
    gap: 6px;
    min-width: 0;
    width: fit-content;
    max-width: 100%;
    align-self: flex-start;
    flex: 0 0 100%;
}

.board-side-identity .board-side-name {
    display: inline-block;
    flex: 0 1 auto;
    min-width: 0;
    width: fit-content;
    max-width: 100%;
}

.board-side-identity .captured-material {
    flex: 0 0 auto;
    margin-left: 0;
    align-self: flex-start;
    margin-top: 1px;
}

.captured-pieces {
    display: flex;
    align-items: center;
    gap: 4px;
    min-height: 22px;
    flex-wrap: wrap;
    min-width: 0;
    flex-basis: 100%;
    flex: 1 1 100%;
    line-height: 1;
}

.captured-material {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 800;
    border-radius: 999px;
    padding: 1px 6px;
    line-height: 1.3;
}

.captured-material--plus {
    color: color-mix(in oklch, var(--move-marker) 92%, #0a5f58);
    background: color-mix(in oklch, var(--move-marker) 18%, transparent);
    border: 1px solid color-mix(in oklch, var(--move-marker) 58%, transparent);
    box-shadow: 0 0 0 1px color-mix(in oklch, var(--color-base-100) 70%, transparent);
}

[data-theme="light"] .captured-material--plus {
    color: #0b6d78;
    background: color-mix(in oklch, var(--move-marker) 28%, #ffffff);
    border-color: color-mix(in oklch, var(--move-marker) 70%, transparent);
}

.captured-material--minus {
    color: color-mix(in oklch, var(--accent-red) 80%, var(--text-primary));
    background: color-mix(in oklch, var(--accent-red) 16%, transparent);
}

.captured-piece-group {
    display: flex;
    align-items: center;
}

.captured-piece {
    font-size: 1.56rem;
    line-height: 1;
    margin-left: -6px;
    position: relative;
    top: -1px;
    user-select: none;
    filter: drop-shadow(0 1px 1px color-mix(in oklch, var(--bg-dark) 50%, transparent));
}

.captured-piece-group .captured-piece:first-child {
    margin-left: 0;
}

.captured-piece--white {
    color: var(--piece-white);
    text-shadow: 0 1px 0 color-mix(in oklch, var(--bg-dark) 60%, transparent), 0 0 2px color-mix(in oklch, var(--piece-white) 16%, transparent);
}

.captured-piece--black {
    color: var(--piece-black);
    text-shadow: 0 0 0.6px color-mix(in oklch, var(--piece-white) 95%, transparent), 0 0 1.6px color-mix(in oklch, var(--piece-white) 86%, transparent), 0 1px 0 color-mix(in oklch, var(--piece-white) 70%, transparent), 0 0 1px color-mix(in oklch, var(--bg-dark) 40%, transparent);
}

.board-side-clock {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-secondary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    min-width: 56px;
    text-align: right;
}

.chess-board-meta-enemy .board-side-clock,
.chess-board-meta-own .board-side-clock {
    align-self: center;
}

.chess-surrender-btn {
    margin-left: 10px;
    margin-right: auto;
    width: 40px;
    height: 40px;
    min-width: 40px;
    max-width: 40px;
    min-height: 40px;
    max-height: 40px;
    padding: 8px;
    border-radius: 8px;
    background: color-mix(in oklch, var(--accent-blue) 18%, var(--bg-card));
    border-color: color-mix(in oklch, var(--accent-blue) 62%, transparent);
    color: color-mix(in oklch, var(--accent-blue) 85%, var(--text-primary));
    box-shadow: 0 2px 10px color-mix(in oklch, var(--accent-blue) 20%, transparent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.chess-board-meta-own .header-action-btn--icon,
.chess-board-meta-enemy .header-action-btn--icon {
    margin-top: 1px;
}

#surrender-btn:hover,
#surrender-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--text-on-blue);
}

.surrender-modal-box {
    min-width: min(90vw, 360px);
    text-align: center;
}

.async-notify-modal-box {
    width: min(92vw, 420px);
    max-width: 92vw;
    min-width: 0;
    overflow: hidden;
}

.async-notify-modal-box .surrender-modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.async-notify-modal-box .surrender-modal-actions .btn {
    border-radius: 10px;
    box-shadow: none;
    border-width: 1px;
    border-style: solid;
    width: 100%;
    max-width: none;
    min-width: 0;
    white-space: normal;
    padding: 12px 14px;
}

.async-notify-modal-box .surrender-modal-actions .btn-secondary {
    border-color: color-mix(in oklch, var(--border-subtle) 85%, transparent);
}

.async-notify-mobile-warning {
    font-size: 0.8em;
    opacity: 0.7;
    margin-top: 2px;
}

.surrender-modal-title {
    margin: 0;
    font-weight: 700;
    color: var(--text-primary);
}

.surrender-modal-copy {
    margin: 2px 0 0;
    color: var(--text-secondary);
}

.surrender-modal-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 6px;
}

.surrender-modal-actions .btn {
    width: 100%;
    min-height: 42px;
    font-size: 0.98rem;
    padding: 11px 14px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.chess-board-meta-own .board-side-name {
    max-width: 100%;
}

.chess-board-meta-own .board-side-meta {
    min-width: 0;
}

@media (min-width: 600px) {
    .chess-board-meta-own .chess-surrender-btn {
        min-width: 40px;
        max-width: 40px;
        width: 40px;
    }
}

.chess-move-form {
    margin: 0;
    min-height: 0;
    display: none;
}

.chess-move-inputs {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.move-value {
    min-width: 90px;
    padding: 10px 12px;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    background: color-mix(in oklch, var(--bg-dark) 50%, transparent);
    font-weight: 700;
    text-transform: lowercase;
    text-align: center;
}

.move-arrow {
    color: var(--text-secondary);
    font-weight: 700;
}

.chess-board {
    margin: 0 auto;
    width: min(calc(100vw - 88px), calc(100dvh - 320px), 900px);
    height: min(calc(100vw - 88px), calc(100dvh - 320px), 900px);
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    border: 2px solid color-mix(in oklch, var(--board-dark) 55%, var(--bg-dark));
    border-radius: 10px;
    box-shadow: 0 12px 28px color-mix(in oklch, var(--bg-dark) 50%, transparent), 0 0 0 2px color-mix(in oklch, var(--board-light) 24%, transparent);
    overflow: hidden;
    touch-action: none;
}

.chess-board-shell {
    position: relative;
    width: fit-content;
    margin: 0 auto;
    padding: 0;
}

.chess-arrow-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 7;
    overflow: visible;
}

.chess-arrow-line {
    stroke: var(--arrow-primary);
    stroke-linecap: round;
    stroke-opacity: 0.96;
    filter: drop-shadow(0 1px 2px color-mix(in oklch, var(--bg-dark) 45%, transparent));
}

.chess-arrow-line.alt {
    stroke: var(--arrow-alt);
}

.chess-arrow-line.preview {
    stroke-opacity: 0.6;
}

.chess-arrow-origin {
    fill: var(--arrow-primary);
    filter: drop-shadow(0 1px 1px color-mix(in oklch, var(--bg-dark) 40%, transparent));
}

.chess-arrow-origin.alt {
    fill: var(--arrow-alt);
}

.chess-arrow-origin.preview {
    fill-opacity: 0.6;
}

.chess-square.marked::after,
.chess-square.marked-alt::after {
    content: "";
    position: absolute;
    inset: 10%;
    border-radius: 8px;
    pointer-events: none;
    box-shadow: inset 0 0 0 3px color-mix(in oklch, var(--arrow-primary) 72%, transparent);
}

.chess-square.marked-alt::after {
    box-shadow: inset 0 0 0 3px color-mix(in oklch, var(--arrow-alt) 78%, transparent);
}

.chess-container .players-section {
    margin-bottom: 0;
}

.chess-square {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.75rem, 5.4vw, 3.9rem);
    font-weight: 700;
    user-select: none;
    min-height: 0;
    aspect-ratio: 1 / 1;
    touch-action: manipulation;
    transition: box-shadow 0.15s ease, transform 0.12s ease, background-color 0.2s ease;
    position: relative;
}

.square-label {
    position: absolute;
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.56rem, 1.45vw, 0.72rem);
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1;
    opacity: 0.72;
    pointer-events: none;
    user-select: none;
    z-index: 1;
}

.rank-label {
    left: 5px;
    top: 4px;
}

.file-label {
    right: 5px;
    bottom: 4px;
}

.chess-square .square-label {
    color: color-mix(in oklch, var(--text-primary) 80%, transparent);
    text-shadow: 0 0 1px color-mix(in oklch, var(--bg-dark) 60%, transparent), 0 0 2px color-mix(in oklch, var(--bg-dark) 35%, transparent);
}

.chess-square:hover {
    transform: scale(1.01);
}

.chess-square.selected {
    box-shadow: inset 0 0 0 3px color-mix(in oklch, var(--accent-blue) 90%, transparent);
}

.chess-square.legal-target {
    box-shadow: none;
}

.chess-square.drag-hover {
    box-shadow: inset 0 0 0 4px color-mix(in oklch, var(--accent-gold) 98%, transparent), 0 0 0 2px color-mix(in oklch, var(--bg-dark) 65%, transparent);
}

.chess-square.legal-target::after {
    content: "";
    position: absolute;
    width: 30%;
    height: 30%;
    border-radius: 999px;
    background: var(--move-marker);
    border: 2px solid color-mix(in oklch, var(--bg-dark) 44%, transparent);
    box-shadow: 0 0 0 1px color-mix(in oklch, var(--color-base-100) 82%, transparent), 0 0 10px color-mix(in oklch, var(--move-marker) 42%, transparent);
}

[data-theme="dark"] .chess-square.legal-target::after {
    border-color: color-mix(in oklch, var(--color-base-100) 34%, transparent);
    box-shadow: 0 0 0 1px color-mix(in oklch, var(--color-base-300) 50%, transparent), 0 0 12px color-mix(in oklch, var(--move-marker) 52%, transparent);
}

.chess-square.capture-target::after {
    width: 88%;
    height: 88%;
    background: color-mix(in oklch, var(--capture-marker) 10%, transparent);
    border: 4px solid color-mix(in oklch, var(--capture-marker) 98%, transparent);
    box-shadow: 0 0 0 1px color-mix(in oklch, var(--color-base-100) 88%, transparent), 0 0 0 3px color-mix(in oklch, var(--capture-marker) 34%, transparent), 0 0 12px color-mix(in oklch, var(--capture-marker) 58%, transparent);
}

.chess-square.check-capture-target::after {
    background: color-mix(in oklch, var(--check-capture-marker) 11%, transparent);
    border: 5px solid color-mix(in oklch, var(--check-capture-marker) 98%, transparent);
    box-shadow: 0 0 0 1px color-mix(in oklch, var(--color-base-100) 84%, transparent), 0 0 0 3px color-mix(in oklch, var(--capture-marker) 56%, transparent), 0 0 14px color-mix(in oklch, var(--check-capture-marker) 62%, transparent);
}

[data-theme="dark"] .chess-square.capture-target::after {
    background: color-mix(in oklch, var(--capture-marker) 20%, transparent);
    border-color: color-mix(in oklch, var(--capture-marker) 100%, transparent);
    box-shadow: 0 0 0 1px color-mix(in oklch, var(--color-base-300) 78%, transparent), 0 0 0 4px color-mix(in oklch, var(--capture-marker) 62%, transparent), 0 0 18px color-mix(in oklch, var(--capture-marker) 70%, transparent);
}

[data-theme="dark"] .chess-square.check-capture-target::after {
    background: color-mix(in oklch, var(--check-capture-marker) 16%, transparent);
    border-color: color-mix(in oklch, var(--check-capture-marker) 100%, transparent);
    box-shadow: 0 0 0 1px color-mix(in oklch, var(--color-base-300) 76%, transparent), 0 0 0 4px color-mix(in oklch, var(--capture-marker) 68%, transparent), 0 0 18px color-mix(in oklch, var(--check-capture-marker) 72%, transparent);
}

.turn-your {
    color: var(--accent-green);
    font-weight: 800;
    font-size: 1rem;
}

[data-theme="light"] .turn-your {
    color: #0e7b66;
}

.turn-line {
    min-height: 1.35em;
    line-height: 1.25;
    display: flex;
    align-items: center;
    justify-content: center;
}

.turn-wait {
    color: var(--text-secondary);
    font-weight: 600;
}

.chess-toast {
    position: fixed;
    left: 50%;
    bottom: calc(20px + env(safe-area-inset-bottom));
    transform: translateX(-50%) translateY(8px);
    padding: 10px 14px;
    border-radius: 12px;
    background: var(--overlay-dark);
    border: 1px solid color-mix(in oklch, var(--accent-red) 80%, transparent);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 1200;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    box-shadow: 0 10px 30px color-mix(in oklch, var(--bg-dark) 55%, transparent);
    max-width: min(88vw, 360px);
    text-align: center;
}

.chess-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.chess-toast.toast-top {
    top: calc(16px + env(safe-area-inset-top));
    bottom: auto;
    transform: translateX(-50%) translateY(-8px);
}

.chess-toast.toast-top.show {
    transform: translateX(-50%) translateY(0);
}

.chess-reconnect-banner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.96);
    background: var(--overlay-dark);
    border: 2px solid color-mix(in oklch, var(--accent-info) 78%, transparent);
    color: var(--text-primary);
    padding: 14px 18px;
    border-radius: 14px;
    font-weight: 800;
    font-size: 1rem;
    box-shadow: 0 18px 44px color-mix(in oklch, var(--bg-dark) 58%, transparent);
    min-width: min(86vw, 340px);
    z-index: 1300;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

[data-theme="light"] .chess-reconnect-banner {
    background: color-mix(in oklch, var(--bg-card) 92%, #ffffff);
    border-color: color-mix(in oklch, var(--accent-blue) 66%, transparent);
    box-shadow: 0 14px 34px color-mix(in oklch, #90785a 26%, transparent);
}

[data-theme="dark"] .chess-reconnect-banner {
    background: color-mix(in oklch, var(--bg-dark) 90%, transparent);
    border-color: color-mix(in oklch, var(--accent-info) 82%, transparent);
    box-shadow: 0 20px 52px color-mix(in oklch, #000000 58%, transparent);
}

.chess-reconnect-banner.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.chess-reconnect-banner-text {
    text-align: center;
    letter-spacing: 0.01em;
}

.chess-coachmark {
    position: fixed;
    left: 50%;
    top: 16px;
    transform: translateX(-50%) translateY(-8px);
    padding: 10px 14px;
    border-radius: 12px;
    background: color-mix(in oklch, var(--bg-dark) 85%, transparent);
    border: 1px solid color-mix(in oklch, var(--accent-blue) 50%, transparent);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    max-width: min(90vw, 420px);
    text-align: center;
    z-index: 1100;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.chess-coachmark.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.chess-piece {
    font-size: inherit;
    line-height: 1;
    pointer-events: none;
    user-select: none;
    filter: drop-shadow(0 1px 1px color-mix(in oklch, var(--bg-dark) 55%, transparent));
    transition: transform 0.14s ease, opacity 0.18s ease;
    position: relative;
    z-index: 2;
}

.move-trail-piece {
    position: absolute;
    z-index: 1600;
    font-size: clamp(1.75rem, 5.4vw, 3.9rem);
    line-height: 1;
    pointer-events: none;
    transform: translate(-50%, -50%);
    opacity: 1;
    transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 700ms ease;
    filter: drop-shadow(0 2px 8px color-mix(in oklch, var(--bg-dark) 65%, transparent));
}

.chess-piece.move-arrival-hidden {
    opacity: 0;
    transition: opacity 120ms linear;
}

.capture-spark {
    position: absolute;
    inset: 18%;
    border-radius: 999px;
    border: 3px solid color-mix(in oklch, var(--accent-red) 95%, transparent);
    box-shadow: 0 0 12px color-mix(in oklch, var(--accent-red) 70%, transparent);
    animation: spark-pop 420ms ease-out;
    pointer-events: none;
}

@keyframes spark-pop {
    0% { transform: scale(0.65); opacity: 0.95; }
    100% { transform: scale(1.25); opacity: 0; }
}

.chess-board-shell.animating .chess-square {
    transition: box-shadow 0.14s ease, transform 0.1s ease;
}

.piece-white {
    color: var(--piece-white);
    text-shadow: 0 1px 0 color-mix(in oklch, var(--bg-dark) 60%, transparent), 0 0 2px color-mix(in oklch, var(--piece-white) 16%, transparent);
}

.piece-black {
    color: var(--piece-black);
    text-shadow: 0 1px 0 color-mix(in oklch, var(--piece-white) 34%, transparent), 0 0 1.5px color-mix(in oklch, var(--piece-white) 22%, transparent), 0 0 1px color-mix(in oklch, var(--bg-dark) 55%, transparent);
}

[data-theme="light"] .chess-piece,
[data-theme="light"] .captured-piece {
    filter: drop-shadow(0 0.5px 0.8px color-mix(in oklch, var(--bg-dark) 28%, transparent));
}

[data-theme="light"] .piece-white,
[data-theme="light"] .captured-piece--white {
    color: #fffdf8;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.45), 0 0 0.8px rgba(0, 0, 0, 0.32);
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.32));
}

[data-theme="light"] .captured-piece--white {
    color: #ffffff;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.62), 0 0 1.2px rgba(0, 0, 0, 0.5);
    -webkit-text-stroke: 0.7px rgba(0, 0, 0, 0.66);
    filter: drop-shadow(0 1px 1.4px rgba(0, 0, 0, 0.46));
}

[data-theme="light"] .piece-black,
[data-theme="light"] .captured-piece--black {
    text-shadow: 0 0.6px 0 color-mix(in oklch, #ffffff 38%, transparent), 0 0 0.8px color-mix(in oklch, var(--bg-dark) 24%, transparent);
}

.checkmated-king {
    box-shadow: inset 0 0 0 4px color-mix(in oklch, var(--accent-red) 98%, transparent), 0 0 0 2px color-mix(in oklch, var(--bg-dark) 60%, transparent);
    animation: checkmate-pulse 900ms ease-in-out infinite;
}

.checked-king {
    box-shadow: inset 0 0 0 4px color-mix(in oklch, var(--accent-warning) 98%, transparent), 0 0 0 2px color-mix(in oklch, var(--bg-dark) 55%, transparent);
    animation: check-pulse 900ms ease-in-out infinite;
}

@keyframes check-pulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.13); }
}

.check-alert {
    color: var(--accent-warning);
    font-weight: 800;
    letter-spacing: 0.02em;
    min-height: 0;
    margin: 0;
}

.check-alert:empty {
    display: none;
}

.last-move-from {
    box-shadow: inset 0 0 0 3px color-mix(in oklch, var(--last-move-from-marker) 84%, transparent), inset 0 0 0 1px color-mix(in oklch, var(--color-base-100) 62%, transparent);
}

.last-move-to {
    box-shadow: inset 0 0 0 4px color-mix(in oklch, var(--last-move-to-marker) 92%, transparent), 0 0 0 1px color-mix(in oklch, var(--color-base-100) 58%, transparent), 0 0 0 2px color-mix(in oklch, var(--bg-dark) 45%, transparent);
}

@keyframes checkmate-pulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.18); }
}

.chess-piece.dragging {
    opacity: 0.65;
    transform: scale(1.1);
}

.chess-drag-ghost {
    font-size: clamp(1.4rem, 4.8vw, 3rem);
    line-height: 1;
    filter: drop-shadow(0 2px 6px color-mix(in oklch, var(--bg-dark) 55%, transparent));
}

.chess-square.captured {
    animation: capture-flash 220ms ease;
}

@keyframes capture-flash {
    0% { box-shadow: inset 0 0 0 999px color-mix(in oklch, var(--accent-red) 25%, transparent); }
    100% { box-shadow: inset 0 0 0 0 transparent; }
}

.chess-square.light {
    background: var(--board-light);
    color: var(--board-light-text);
}

.chess-square.dark {
    background: var(--board-dark);
    color: var(--board-dark-text);
}

.chess-square::before {
    content: "";
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--bg-dark) 20%, transparent);
    pointer-events: none;
}

@media (max-width: 768px) {
    .chess-container {
        max-width: min(1200px, 100vw - 16px);
        overflow-x: visible;
    }

    .chess-area {
        padding: 12px 12px 0;
    }

    .chess-status-strip {
        max-width: 100%;
        min-height: 74px;
    }

    .chess-status-content {
        min-height: 74px;
    }

    .chess-status-content.waiting-status {
        min-height: auto;
        gap: 4px;
        padding: 10px 0 2px;
    }

    .chess-board-stage {
        width: calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right));
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        margin-top: 0;
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        box-sizing: border-box;
    }

    .chess-board-stage-outside {
        margin-top: 0;
    }

    .chess-board {
        margin-top: 0;
        width: min(calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right)), calc(100dvh - 260px));
        height: min(calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right)), calc(100dvh - 260px));
    }

    .chess-square {
        font-size: clamp(2rem, 6.8vw, 3.3rem);
    }

    .square-label {
        font-size: clamp(0.62rem, 1.95vw, 0.8rem);
    }

    .rank-label {
        left: 4px;
        top: 3px;
    }

    .file-label {
        right: 4px;
        bottom: 3px;
    }

    .move-trail-piece {
        font-size: clamp(2rem, 6.8vw, 3.3rem);
    }

    .chess-move-form {
        margin: 0;
    }

    .timed-config {
        margin-left: 0;
    }

    .timed-config input[type="number"] {
        width: 100%;
    }

    .chess-board-meta-own .captured-pieces {
        min-height: 22px;
        gap: 4px;
    }

    .chess-board-meta-enemy .captured-pieces {
        min-height: 22px;
        gap: 4px;
    }

    .chess-board-meta {
        gap: 8px;
        margin: 5px auto;
        padding: 4px 2px;
    }

    .chess-board-meta-enemy {
        margin-bottom: 2px;
    }

    .chess-board-meta-own {
        margin-top: 2px;
    }

    .chess-board-meta-own .board-side-meta,
    .chess-board-meta-enemy .board-side-meta {
        flex-wrap: wrap;
        align-items: flex-start;
        row-gap: 2px;
    }

    .chess-board-meta-own .board-side-identity,
    .chess-board-meta-enemy .board-side-identity {
        max-width: 100%;
        flex: 0 0 100%;
        align-self: flex-start;
    }

    .chess-board-meta-own .captured-pieces,
    .chess-board-meta-enemy .captured-pieces {
        flex-basis: 100%;
        flex: 1 1 100%;
    }

}

.phase-info {
    width: 100%;
}

.phase-info h2 {
    margin-bottom: 12px;
    font-size: 1.4rem;
}

.phase-info p {
    margin: 8px 0;
}

.hint {
    color: var(--text-secondary);
    font-style: normal;
    font-size: 0.95rem;
    margin-top: 12px;
}

.waiting-animation {
    font-size: 2rem;
    color: var(--accent-gold);
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Place Form */
.place-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    width: 100%;
}

/* Guess Buttons */
/* Results */
.result-phase {
    animation: slide-up 0.4s ease-out;
}

@keyframes slide-up {
    from { 
        opacity: 0; 
        transform: translateY(30px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

.result-card {
    background: var(--surface-inset);
    border-radius: 16px;
    padding: 20px;
    margin: 20px 0;
}

.result-answer {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin: 12px 0;
}

.winners {
    color: var(--accent-green);
    font-size: 1.1rem;
    font-weight: 600;
}

.losers {
    color: var(--accent-red);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Personal result message */
.personal-result {
    font-size: 1.4rem;
    font-weight: 700;
    padding: 12px 20px;
    border-radius: 12px;
    margin-bottom: 16px;
    text-align: center;
}

.personal-result.winner {
    color: var(--accent-green);
    background: color-mix(in oklch, var(--accent-green) 10%, transparent);
    border: 2px solid var(--accent-green);
}

.personal-result.loser {
    color: var(--accent-red);
    background: color-mix(in oklch, var(--accent-red) 10%, transparent);
    border: 2px solid var(--accent-red);
}

/* Round result countdown */
.result-countdown {
    margin-top: 20px;
    padding: 12px 24px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
}

.result-countdown .countdown-timer {
    display: inline-block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-gold);
    min-width: 1.5em;
}

/* Game Over */
.game-over {
    animation: celebration 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes celebration {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.winner-announcement {
    background: linear-gradient(135deg, color-mix(in oklch, var(--accent-gold) 20%, transparent) 0%, color-mix(in oklch, var(--accent-purple) 20%, transparent) 100%);
    border-radius: 20px;
    padding: 24px;
    margin: 16px 0;
    border: 2px solid var(--accent-gold);
    box-shadow: 0 0 40px color-mix(in oklch, var(--accent-gold) 20%, transparent);
}

.winner-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin: 0;
}

.you-won {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-green);
    margin-top: 16px;
    animation: bounce 0.6s ease infinite;
}

.you-lost {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

.waiting-for-host {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 16px;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Your Status Bar */
.your-status {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--overlay-dark);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px 20px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    font-size: 1rem;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.your-status strong {
    color: var(--accent-gold);
    font-size: 1.3rem;
    font-weight: 700;
}

.spectator-badge {
    background: var(--text-muted);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-on-accent);
}

.pending-badge {
    background: var(--accent-purple);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-on-accent);
}

/* Pending players section */
.pending-players {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
}

.pending-players h4 {
    color: var(--accent-purple);
    margin: 0 0 12px 0;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.player-card.pending {
    background: color-mix(in oklch, var(--accent-purple) 10%, transparent);
    border: 1px solid color-mix(in oklch, var(--accent-purple) 30%, transparent);
}

/* Home page specific */
/* Responsive - larger phones */
@media (min-width: 400px) {
    h1 {
        font-size: 3rem;
    }
    
    .players-list {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .player-name {
        font-size: 1rem;
    }
}

/* Responsive - tablets and up */
@media (min-width: 600px) {
    body {
        padding: 24px;
        padding-bottom: 100px;
    }
    
    h1 {
        font-size: 3.5rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .card {
        padding: 32px;
    }
    
    .btn-primary,
    .btn-secondary {
        width: auto;
        min-width: 200px;
    }
    
    form .btn-primary,
    form .btn-secondary,
    .phase-info .btn-primary,
    .phase-info .btn-secondary,
    .chess-status-strip .btn-primary,
    .chess-status-strip .btn-secondary {
        width: 100%;
    }
    
        
    
}

/* Very small screens */
@media (max-width: 350px) {
    body {
        padding: 10px;
        padding-bottom: 80px;
    }
    
    h1 {
        font-size: 2rem;
    }

    .theme-toggle {
        top: 8px;
        right: 8px;
    }

    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }
    
    
    
    .players-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    
    .player-card {
        padding: 8px 6px;
    }
    
    .player-name {
        font-size: 0.8rem;
    }
    
    
        
        
    
    .phase-info h2 {
        font-size: 1.2rem;
    }
}

/* Hide scrollbar but keep scrolling functional */
html {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

html::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* Page footer - hidden below fold, user needs to scroll to see it */
#page-footer {
    text-align: center;
    padding: 32px 20px;
    padding-bottom: calc(32px + 80px); /* Extra padding to clear fixed status bar */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

#page-footer .footer-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

#page-footer a {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

#page-footer a:hover {
    color: var(--accent-blue);
    text-decoration: none;
}

#page-footer .support-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: color-mix(in oklch, var(--support-accent) 72%, var(--text-primary));
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid color-mix(in oklch, var(--support-accent) 46%, var(--border-subtle));
    background: color-mix(in oklch, var(--support-accent) 16%, var(--bg-card));
    box-shadow: 0 4px 14px color-mix(in oklch, var(--support-accent) 22%, transparent);
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

#page-footer .support-link:hover {
    color: color-mix(in oklch, var(--support-accent) 86%, var(--text-primary));
    background: color-mix(in oklch, var(--support-accent) 24%, var(--bg-card-hover));
    border-color: color-mix(in oklch, var(--support-accent) 70%, transparent);
}

[data-theme="light"] #page-footer .support-link {
    color: #0f5a62;
    border-color: color-mix(in oklch, var(--accent-blue) 52%, var(--border-subtle));
    background: color-mix(in oklch, var(--accent-blue) 12%, #f6efe3);
    box-shadow: 0 4px 14px color-mix(in oklch, var(--accent-blue) 20%, transparent);
}

[data-theme="light"] #page-footer .support-link:hover {
    color: #083841;
    background: color-mix(in oklch, var(--accent-blue) 22%, #f8f2e8);
    border-color: color-mix(in oklch, var(--accent-blue) 72%, transparent);
}

#page-footer .support-link img {
    width: 20px;
    height: 20px;
    filter: drop-shadow(0 1px 3px color-mix(in oklch, var(--support-accent) 20%, transparent));
}

#page-footer .support-link:focus-visible {
    outline: 2px solid color-mix(in oklch, var(--support-accent) 72%, var(--accent-blue));
    outline-offset: 2px;
}

#page-footer .separator {
    color: var(--text-muted);
    opacity: 0.5;
    font-size: 0.7rem;
}