@charset "utf-8";

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(106, 175, 224, 0.18), transparent 60%),
        radial-gradient(1000px 500px at 100% 110%, rgba(122, 196, 154, 0.16), transparent 60%),
        linear-gradient(135deg, #f7efe1 0%, #efe3cf 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 12px 20px;
    color: var(--c-text);
    -webkit-font-smoothing: antialiased;
    position: relative;
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(80px);
    opacity: 0.45;
}

body::before {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, #a6d4f2, transparent 70%);
    top: -80px;
    left: -60px;
    animation: float 14s ease-in-out infinite;
}

body::after {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #b8e5cc, transparent 70%);
    bottom: -60px;
    right: -40px;
    animation: float 16s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(30px, -20px) scale(1.08);
    }
}

.page-wrap {
    width: 100%;
    max-width: 1200px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

.container {
    background: rgba(255, 250, 242, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    box-shadow:
        0 2px 12px rgba(44, 31, 22, 0.06),
        0 20px 60px rgba(44, 31, 22, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    color: var(--c-text);
    border: 1px solid rgba(217, 201, 179, 0.8);
    min-height: 0;
    animation: containerIn 0.6s ease-out both;
}

@keyframes containerIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

h1 {
    text-align: center;
    font-size: 26px;
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: 4px;
    background: linear-gradient(135deg, #3d79a5 0%, #2f6b4a 50%, #8a6300 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    animation: titleGlow 4s ease-in-out infinite;
}

@keyframes titleGlow {

    0%,
    100% {
        filter: drop-shadow(0 0 0px transparent);
    }

    50% {
        filter: drop-shadow(0 2px 10px rgba(61, 121, 165, 0.25));
    }
}

.section {
    background: rgba(245, 236, 220, 0.55);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 12px;
    border: 1px solid var(--c-border);
    transition: all var(--transition);
}

.section:hover {
    background: rgba(245, 236, 220, 0.75);
    box-shadow: 0 4px 16px rgba(44, 31, 22, 0.05);
}

.section h2 {
    font-size: 11px;
    margin-bottom: 8px;
    color: var(--c-label);
    text-transform: uppercase;
    letter-spacing: 1.8px;
    font-weight: 600;
}

.two-col {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.two-col .section {
    flex: 1;
    margin-bottom: 0;
}

.num-display {
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 4px 0;
}

.num-digit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 40px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 24px;
    color: var(--c-label);
    background: linear-gradient(180deg, #fffdf5 0%, #f5ebd8 100%);
    border: 1px solid var(--c-border);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        0 2px 4px rgba(44, 31, 22, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: digitPop 0.5s ease-out both;
}

.num-digit.revealed {
    background: linear-gradient(180deg, #d4ecd9 0%, #b8dfc0 100%);
    color: #2f6b4a;
    border-color: rgba(80, 170, 110, 0.4);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        0 0 12px rgba(80, 170, 110, 0.25);
}

.num-digit.blue {
    background: linear-gradient(180deg, #e6f2fb 0%, #d4eaf7 100%);
    color: #2a5070;
    border-color: rgba(80, 140, 180, 0.35);
}

.num-digit.green {
    background: linear-gradient(180deg, #e6f5ea 0%, #d4ecd9 100%);
    color: #2f6b4a;
    border-color: rgba(80, 170, 110, 0.4);
}

@keyframes digitPop {
    0% {
        transform: scale(0.6) rotate(-12deg);
        opacity: 0;
    }

    60% {
        transform: scale(1.12) rotate(2deg);
    }

    100% {
        transform: scale(1) rotate(0);
        opacity: 1;
    }
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    font-size: 18px;
    text-align: center;
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius);
    background: var(--c-card);
    color: var(--c-text);
    letter-spacing: 8px;
    font-family: 'Courier New', monospace;
    transition: all var(--transition);
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--c-label);
    box-shadow: 0 0 0 3px rgba(74, 58, 42, 0.08), 0 2px 8px rgba(44, 31, 22, 0.08);
    transform: translateY(-1px);
}

input[type="text"]::placeholder {
    opacity: 0.35;
    transition: opacity var(--transition);
}

input[type="text"]:focus::placeholder {
    opacity: 0;
}

button {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    font-size: 14px;
    border: none;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #4a3a2a 0%, #6a4a30 100%);
    color: var(--c-card);
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 600;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s;
}

button:hover::before {
    left: 100%;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(74, 58, 42, 0.25);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(74, 58, 42, 0.2);
}

button:disabled {
    background: var(--c-btn-secondary-bg);
    color: var(--c-text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

button.secondary {
    background: var(--c-btn-secondary-bg);
    color: var(--c-text);
    border: 1px solid var(--c-border);
    letter-spacing: 1px;
}

button.secondary:hover {
    background: var(--c-btn-secondary-hover);
}

.history {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding-right: 4px;
}

.history::-webkit-scrollbar {
    width: 5px;
}

.history::-webkit-scrollbar-track {
    background: transparent;
}

.history::-webkit-scrollbar-thumb {
    background: rgba(122, 107, 93, 0.3);
    border-radius: 3px;
}

.history::-webkit-scrollbar-thumb:hover {
    background: rgba(122, 107, 93, 0.55);
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    margin: 3px 0;
    background: var(--c-card);
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    border: 1px solid var(--c-border);
    transition: all var(--transition);
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.history-item:hover {
    transform: translateX(4px);
    box-shadow: 0 3px 10px rgba(44, 31, 22, 0.08);
}

@keyframes slideIn {
    0% {
        opacity: 0;
        transform: translateX(-16px);
    }

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.guess-num {
    font-size: 15px;
    letter-spacing: 4px;
    color: var(--c-text);
}

.guess-result {
    font-weight: 600;
    color: var(--c-label);
    font-size: 12px;
    letter-spacing: 0.5px;
}

.guess-bars {
    display: flex;
    gap: 2px;
    margin-left: 8px;
}

.guess-bar {
    width: 6px;
    height: 10px;
    border-radius: 2px;
    background: var(--c-border);
    transition: all 0.4s;
}

.guess-bar.on {
    background: currentColor;
    height: 14px;
}

.message {
    text-align: center;
    padding: 12px;
    margin: 12px 0;
    border-radius: var(--radius);
    font-size: 13px;
    letter-spacing: 0.8px;
}

.info {
    background: rgba(160, 210, 180, 0.25);
    color: #2f6b4a;
    border: 1px solid rgba(100, 170, 130, 0.35);
}

.error {
    background: rgba(178, 34, 34, 0.06);
    color: var(--c-accent-1);
    border: 1px solid rgba(178, 34, 34, 0.18);
}

.hidden {
    display: none !important;
}

.status {
    text-align: center;
    padding: 10px;
    margin-bottom: 12px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    background: linear-gradient(135deg, #d4eaf7 0%, #b8d8ef 100%);
    color: #2a5070;
    border: 1px solid rgba(80, 140, 180, 0.3);
    letter-spacing: 1.5px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.status::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2.6s infinite;
}

@keyframes shimmer {
    0% {
        left: -50%;
    }

    100% {
        left: 150%;
    }
}

.status.thinking {
    opacity: 1;
    background: linear-gradient(135deg, #fff3d4 0%, #ffe3b0 100%);
    color: #8a6300;
    border-color: rgba(232, 176, 32, 0.35);
}

.status.thinking::after {
    animation-duration: 1.4s;
}

.status.gameover {
    background: linear-gradient(135deg, #d4ecd9 0%, #b8dfc0 100%);
    color: #2f6b4a;
    border-color: rgba(80, 170, 110, 0.35);
    animation: celebrate 0.8s ease-out;
}

.status.gameover::after {
    display: none;
}

@keyframes celebrate {
    0% {
        transform: scale(1);
    }

    40% {
        transform: scale(1.03);
    }

    100% {
        transform: scale(1);
    }
}

.screen-fade {
    animation: screenFade 0.45s ease-out both;
}

@keyframes screenFade {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-row {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.btn-row button {
    flex: 1;
}

.btn-row input {
    flex: 1;
}

.difficulty-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.difficulty-row label {
    flex: 1;
    cursor: pointer;
}

.diff-option {
    text-align: center;
    padding: 8px;
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius);
    background: var(--c-card);
    transition: all var(--transition);
    font-size: 13px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.diff-option:hover {
    border-color: var(--c-label);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(44, 31, 22, 0.08);
}

input[type="radio"] {
    display: none;
}

input[type="radio"]:checked+.diff-option {
    border-color: var(--c-label);
    background: linear-gradient(135deg, #fff8ea, #f5ebd8);
    color: var(--c-label);
    box-shadow: 0 0 0 2px rgba(74, 58, 42, 0.12), 0 3px 10px rgba(44, 31, 22, 0.1);
}

.diff-easy {
    color: var(--success-color);
}

.diff-normal {
    color: #8a6300;
}

.diff-hard {
    color: var(--c-accent-1);
}

.hint {
    text-align: center;
    font-size: 12px;
    color: var(--c-text-muted);
    margin-top: 8px;
    letter-spacing: 0.5px;
}

.rules p {
    font-size: 13px;
    line-height: 1.9;
    color: var(--c-text);
}

.rules p b {
    color: var(--c-label);
}

.rules p code {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    padding: 1px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--c-accent-2);
}

.rules-note {
    font-size: 12px !important;
    color: var(--c-text-muted) !important;
    line-height: 1.7 !important;
}

.diff-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 12px;
    margin: 0 auto 10px auto;
    border-radius: var(--radius-pill);
    background: var(--c-btn-secondary-bg);
    color: var(--c-label);
    display: block;
    width: fit-content;
    letter-spacing: 1px;
    border: 1px solid var(--c-border);
    transition: all var(--transition);
    animation: badgePop 0.5s ease-out both;
}

@keyframes badgePop {
    0% {
        opacity: 0;
        transform: scale(0.7);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.diff-badge.easy {
    background: linear-gradient(135deg, rgba(61, 140, 66, 0.12), rgba(61, 140, 66, 0.05));
    color: var(--success-color);
    border-color: rgba(61, 140, 66, 0.3);
}

.diff-badge.normal {
    background: linear-gradient(135deg, rgba(232, 176, 32, 0.15), rgba(232, 176, 32, 0.05));
    color: #8a6300;
    border-color: rgba(232, 176, 32, 0.3);
}

.diff-badge.hard {
    background: linear-gradient(135deg, rgba(178, 34, 34, 0.1), rgba(178, 34, 34, 0.04));
    color: var(--c-accent-1);
    border-color: rgba(178, 34, 34, 0.28);
}

.game-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.cand-row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.cand-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    transition: all var(--transition);
}

.cand-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 31, 22, 0.08);
}

.cand-card.blue {
    border-left: 3px solid #6aafe0;
    background: linear-gradient(135deg, rgba(106, 175, 224, 0.12), rgba(106, 175, 224, 0.03));
}

.cand-card.green {
    border-left: 3px solid #7ac49a;
    background: linear-gradient(135deg, rgba(122, 196, 154, 0.12), rgba(122, 196, 154, 0.03));
}

.cand-num {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 24px;
    line-height: 1;
    min-width: 52px;
    text-align: center;
}

.cand-card.blue .cand-num {
    color: #3d79a5;
}

.cand-card.green .cand-num {
    color: #3d8a5c;
}

.cand-label {
    font-size: 12px;
    color: var(--c-text-muted);
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.history-row {
    flex: 1;
    margin-top: 16px;
    margin-bottom: 0;
    min-height: 0;
}

.history-col {
    display: flex;
    flex-direction: column;
    margin-bottom: 0 !important;
    min-height: 0;
}

.nav-bar {
    max-width: calc(100% - 32px);
    margin: 0 auto 1rem;
    text-align: right;
}

button.nav-btn {
    width: auto;
    margin: 4px 6px;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    background-color: var(--c-btn-secondary-bg);
    border: 1px solid var(--c-border);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    cursor: pointer;
    z-index: 2;
    font-family: inherit;
    display: inline-block;
    vertical-align: middle;
    color: #fff;
    letter-spacing: 0.5px;
}

.nav-btn:hover {
    background-color: var(--c-btn-secondary-hover);
    border-color: var(--c-label);
    transform: translateY(-1px);
    text-decoration: none;
    color: #fff;
}

.nav-btn.primary {
    background: linear-gradient(135deg, #4a3a2a, #6a4a30);
    color: #fff;
    border-color: transparent;
}

.nav-btn.primary:hover {
    background: linear-gradient(135deg, #3a2d20, #553c28);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(74, 58, 42, 0.25);
}

.stat-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.stat-card {
    flex: 1;
    text-align: center;
    padding: 10px 8px;
    border-radius: var(--radius);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    transition: all var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 31, 22, 0.08);
}

.stat-num {
    font-family: 'Courier New', monospace;
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 11px;
    color: var(--c-text-muted);
    margin-top: 4px;
    letter-spacing: 1px;
}

.stat-card.blue .stat-num {
    color: #3d79a5;
}

.stat-card.green .stat-num {
    color: #3d8a5c;
}

.stat-card.amber .stat-num {
    color: #8a6300;
}

.ver-badge {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 1px;
    font-weight: 500;
    padding: 2px 8px;
    margin-left: 6px;
    border-radius: var(--radius-pill);
    background: rgba(138, 99, 0, 0.12);
    color: #8a6300;
    border: 1px solid rgba(138, 99, 0, 0.28);
    vertical-align: middle;
    -webkit-text-fill-color: #8a6300;
    background-clip: initial;
}

.gameover-overlay {
    position: fixed;
    inset: 0;
    background: rgba(44, 31, 22, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    animation: overlayIn 0.4s ease-out both;
}

@keyframes overlayIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.confetti {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 14px;
    top: -20px;
    opacity: 0;
    animation: confettiFall linear forwards;
    border-radius: 2px;
}

@keyframes confettiFall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }

    80% {
        opacity: 1;
    }

    100% {
        transform: translateY(110vh) rotate(720deg);
        opacity: 0;
    }
}

.gameover-card {
    position: relative;
    background: linear-gradient(180deg, #fffdf5 0%, #f5ebd8 100%);
    border-radius: 18px;
    padding: 36px 40px;
    text-align: center;
    max-width: 340px;
    width: calc(100% - 40px);
    box-shadow:
        0 10px 40px rgba(44, 31, 22, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(217, 201, 179, 0.9);
    animation: cardPop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes cardPop {
    0% {
        transform: scale(0.6) translateY(30px);
        opacity: 0;
    }

    60% {
        transform: scale(1.05) translateY(-4px);
        opacity: 1;
    }

    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.gameover-icon {
    font-size: 58px;
    line-height: 1;
    margin-bottom: 14px;
    animation: iconBounce 1.2s ease-in-out infinite;
    display: inline-block;
}

@keyframes iconBounce {

    0%,
    100% {
        transform: translateY(0) rotate(-4deg);
    }

    50% {
        transform: translateY(-10px) rotate(4deg);
    }
}

.gameover-title {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.gameover-card.win .gameover-title {
    color: #2f6b4a;
}

.gameover-card.lose .gameover-title {
    color: #b22222;
}

.gameover-info {
    font-size: 14px;
    color: var(--c-text);
    line-height: 1.8;
    margin-bottom: 22px;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

.gameover-actions {
    display: flex;
    gap: 12px;
}

@media (max-width: 768px) {
    body {
        padding: 16px;
    }

    .page-wrap {
        max-width: 100%;
        flex: none;
    }

    .container {
        padding: 16px;
        border-radius: var(--radius);
        flex: none;
        display: block;
        min-height: auto;
    }

    .game-screen {
        display: block;
    }

    .two-col {
        flex-direction: column;
        gap: 0;
    }

    .two-col .section {
        margin-bottom: 12px;
    }

    .history-row {
        flex: none;
        margin-top: 12px;
    }

    .history-col {
        display: block;
        margin-bottom: 12px !important;
    }

    .history {
        max-height: 200px;
        flex: none;
    }

    h1 {
        font-size: 22px;
        letter-spacing: 2px;
        margin-bottom: 14px;
    }

    .num-digit {
        width: 28px;
        height: 36px;
        font-size: 20px;
    }

    .num-display {
        gap: 5px;
    }

    .cand-row {
        gap: 8px;
        margin-bottom: 10px;
    }

    .cand-card {
        padding: 8px 10px;
        gap: 6px;
    }

    .cand-num {
        font-size: 20px;
        min-width: 40px;
    }

    .cand-label {
        font-size: 11px;
    }

    .status {
        font-size: 13px;
        padding: 10px;
    }

    .btn-row {
        flex-direction: column;
        gap: 10px;
    }

    .nav-bar {
        text-align: center;
    }

    button.nav-btn {
        margin: 4px;
        padding: 7px 15px;
        font-size: 13px;
    }

    .stat-row {
        gap: 6px;
        flex-wrap: wrap;
    }

    .stat-row .stat-card {
        flex: 1 1 calc(50% - 3px);
    }

    .stat-num {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 12px;
    }

    .container {
        padding: 14px;
        border-radius: var(--radius);
    }

    .section {
        padding: 12px;
        margin-bottom: 12px;
    }

    h1 {
        font-size: 20px;
        margin-bottom: 12px;
        letter-spacing: 1.5px;
    }

    .num-digit {
        width: 24px;
        height: 32px;
        font-size: 18px;
    }

    .history {
        max-height: 160px;
    }

    .history-item {
        padding: 6px 10px;
    }

    .guess-num {
        font-size: 14px;
        letter-spacing: 3px;
    }

    input[type="text"] {
        padding: 10px;
        font-size: 18px;
        letter-spacing: 6px;
    }

    button {
        padding: 10px;
        font-size: 14px;
        letter-spacing: 1.5px;
    }

    .status {
        font-size: 13px;
        padding: 10px;
        margin-bottom: 12px;
        letter-spacing: 1px;
    }

    .message {
        padding: 10px;
        font-size: 12px;
    }

    .difficulty-row {
        gap: 8px;
    }

    .diff-option {
        padding: 9px;
        font-size: 13px;
    }

    .nav-bar {
        max-width: 100%;
        margin-bottom: 0.8rem;
    }

    button.nav-btn {
        padding: 7px 14px;
        font-size: 13px;
    }
}

.page-footer {
    margin-top: auto;
    padding: 16px 20px;
    text-align: center;
    color: var(--c-text-muted, #7a6b5c);
    font-size: 13px;
    letter-spacing: 0.5px;
    border-top: 1px solid rgba(217, 201, 179, 0.6);
    background: rgba(255, 250, 242, 0.6);
    border-radius: var(--radius, 12px);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.page-footer p {
    margin-bottom: 6px;
}

.page-footer a {
    color: var(--c-text-muted, #7a6b5c);
    text-decoration: none;
    transition: color 0.2s ease;
}

.page-footer a:hover {
    color: var(--c-primary, #c17f4e);
    text-decoration: underline;
}