@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --bg-black: #000000;
    --bg-surface: #121212;
    --glass-bg: rgba(18, 18, 18, 0.88);
    --glass-border: rgba(255, 255, 255, 0.10);
    --text-primary: #FFFFFF;
    --text-secondary: #888888;
    --text-muted: #555555;
    --border-color: rgba(255, 255, 255, 0.07);
    --action-blue: #007AFF;
    --action-red: #FF3B30;
    --badge-bg: rgba(255, 255, 255, 0.08);
    --badge-text: #FFFFFF;
    --card-cover: linear-gradient(160deg, #1C1C1C 0%, #0A0A0A 100%);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-panel: 0 8px 24px rgba(0, 0, 0, 0.35);
    --transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] {
    --bg-black: #F2F2F7;
    --bg-surface: #FFFFFF;
    --glass-bg: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(0, 0, 0, 0.10);
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border-color: rgba(0, 0, 0, 0.07);
    --action-blue: #007AFF;
    --action-red: #FF3B30;
    --badge-bg: rgba(0, 0, 0, 0.06);
    --badge-text: #000000;
    --card-cover: linear-gradient(160deg, #FFFFFF 0%, #E8E8ED 100%);
    --shadow-panel: 0 8px 24px rgba(0, 0, 0, 0.07);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

input,
textarea {
    user-select: text !important;
    -webkit-user-select: text !important;
}

html,
body {
    min-height: 100vh;
    width: 100%;
    background-color: var(--bg-black);
    font-family: var(--font-main);
    color: var(--text-primary);
    font-feature-settings: "ss01", "ss03", "cv01";
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    transition: background-color 0.4s ease, color 0.4s ease;
}

[data-theme="dark"] .icon-btn img,
[data-theme="dark"] .back-link img,
[data-theme="dark"] img.chevron,
[data-theme="dark"] .edit-player-icon,
[data-theme="dark"] .delete-player-icon,
[data-theme="dark"] .card-front>img {
    filter: invert(1) brightness(1.7);
}

.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    transform: translateZ(0);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-panel);
    overflow: hidden;
}

.site-header {
    width: 100%;
    max-width: 480px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.4s ease;
}

.brand-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-badge {
    background: var(--badge-bg);
    color: var(--badge-text);
    font-size: 10px;
    font-weight: 700;
    padding: 3px 7px;
    border-radius: 10px;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    border: 1px solid var(--glass-border);
    opacity: 0.7;
}

.icon-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.icon-btn:hover {
    background: rgba(127, 127, 127, 0.12);
}

.icon-btn:active {
    transform: scale(0.90);
    opacity: 0.7;
}

.icon-btn svg,
.icon-btn img {
    width: 16px;
    height: 16px;
}

main {
    width: 100%;
    max-width: 450px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-title-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 4px;
}

.page-title-box h1 {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.8px;
    color: var(--text-primary);
}

.page-title-box p {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

.screen {
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: screenIn 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.screen.hidden {
    display: none !important;
}

.menu-group {
    display: flex;
    flex-direction: column;
}

.menu-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 18px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s ease;
    user-select: none;
}

.menu-row:last-child {
    border-bottom: none;
}

.menu-row:active {
    background: rgba(127, 127, 127, 0.08);
}

.menu-row-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-row-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.menu-row-right {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
}

.chevron {
    width: 15px;
    height: 15px;
    opacity: 0.4;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 26px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: rgba(127, 127, 127, 0.28);
    border-radius: 20px;
    transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: #FFFFFF;
    border-radius: 50%;
    transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked+.toggle-slider {
    background-color: var(--action-blue);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(18px);
}

.btn-primary {
    width: 100%;
    padding: 14px 20px;
    background: var(--text-primary);
    color: var(--bg-black);
    border: none;
    border-radius: 12px;
    font-family: var(--font-main);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:active {
    transform: scale(0.97);
    opacity: 0.88;
}

.btn-secondary {
    width: 100%;
    padding: 13px 20px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-secondary:active {
    background: rgba(127, 127, 127, 0.1);
    transform: scale(0.97);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    padding: 8px;
    transition: color 0.2s ease;
}

.btn-text:active {
    color: var(--text-primary);
}

.btn-danger {
    color: var(--action-red) !important;
}

.pwa-install-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 500;
    padding: 12px 20px;
    border-radius: 12px;
    cursor: pointer;
    width: 100%;
    transition: var(--transition);
    animation: fadeIn 0.5s ease;
}

.pwa-install-btn:active {
    background: rgba(127, 127, 127, 0.1);
    transform: scale(0.97);
}

.nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0 10px 0;
}

.back-link {
    background: transparent;
    border: none;
    color: var(--action-blue);
    font-family: var(--font-main);
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 0;
    transition: opacity 0.2s ease;
}

.back-link:active {
    opacity: 0.6;
}

.custom-checkbox,
.custom-radio {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1.5px solid var(--text-secondary);
    appearance: none;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    flex-shrink: 0;
}

.custom-checkbox:checked,
.custom-radio:checked {
    background-color: var(--action-blue);
    border-color: var(--action-blue);
}

.custom-checkbox:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 7px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-radio:checked::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: white;
}

.card-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 10px 0;
}

.game-card {
    width: 100%;
    max-width: 300px;
    height: 380px;
    position: relative;
    perspective: 1200px;
    cursor: pointer;
}

.card-inner {
    position: absolute;
    inset: 0;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-panel);
    overflow: hidden;
    background: var(--glass-bg);
}

.game-card.revealed .card-front {
    transform: translateY(-102%);
}

.game-card.drag-no-transition .card-front {
    transition: none !important;
}

.card-front,
.card-back {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    text-align: center;
}

.card-back {
    background: transparent;
    z-index: 1;
    gap: 12px;
}

.card-front {
    background: var(--card-cover);
    z-index: 2;
    gap: 16px;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    border-radius: 20px;
}

.card-player-title {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.card-tap-hint {
    font-size: 13px;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(127, 127, 127, 0.08);
}

.secret-word {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.secret-word.komposter-text {
    color: var(--action-red);
    font-size: 24px;
}

.secret-hint {
    font-size: 13px;
    color: var(--text-secondary);
    max-width: 90%;
}

.instruction-text {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.4;
    min-height: 40px;
}

.timer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
}

.starting-banner {
    font-size: 14px;
    font-weight: 600;
    color: var(--action-blue);
    background: rgba(0, 122, 255, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(0, 122, 255, 0.18);
}

.timer-clock {
    font-size: 56px;
    font-weight: 700;
    font-family: var(--font-main);
    letter-spacing: -2px;
    color: var(--text-primary);
    margin: 8px 0;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.25s ease;
}

.modal-backdrop.hidden {
    display: none !important;
}

.modal-card {
    width: 100%;
    max-width: 340px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 22px;
    box-shadow: var(--shadow-panel);
    display: flex;
    flex-direction: column;
    gap: 14px;
    text-align: center;
    animation: popIn 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.modal-input {
    width: 100%;
    padding: 12px 14px;
    background: rgba(127, 127, 127, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 15px;
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.modal-input:focus {
    border-color: var(--action-blue);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes screenIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.94);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}