/* ========================================
   深海猎手 - 品牌样式表
   ======================================== */

/* 品牌色板 */
:root {
    --primary: #0a4b7a;
    --primary-dark: #062d4a;
    --primary-light: #1a7ab5;
    --secondary: #f5a623;
    --secondary-light: #ffd166;
    --accent: #06d6a0;
    --bg-gradient-start: #0a1628;
    --bg-gradient-end: #0d2847;
    --card-bg: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.12);
    --text-primary: #ffffff;
    --text-secondary: #b0c4de;
    --text-muted: #6a7a8e;
    --danger: #ef476f;
    --success: #06d6a0;
    --warning: #ffd166;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-lg: 20px;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* 导航栏 */
header {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.nav-center {
    display: flex;
    gap: 8px;
}

.nav-center a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-center a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.nav-center a.active {
    color: var(--secondary);
    background: rgba(245, 166, 35, 0.12);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.score-badge {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--primary-dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 2px 10px rgba(245, 166, 35, 0.3);
}

.btn-small {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-small:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(1.05);
}

/* 主内容区 */
main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
}

/* 游戏容器 */
.game-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 2px solid var(--card-border);
    background: #000;
    aspect-ratio: 4/3;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    backdrop-filter: blur(5px);
}

.overlay-content {
    text-align: center;
    padding: 40px;
}

.overlay-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slogan {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-weight: 400;
}

/* 按钮 */
.btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--primary-dark);
    border: none;
    padding: 14px 36px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(245, 166, 35, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(245, 166, 35, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 24px;
    border-radius: var(--radius);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-danger {
    background: var(--danger);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* 页面内容 */
.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.page-content h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 30px;
}

/* 规则区域 */
.rule-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.rule-section h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--secondary-light);
}

.rule-section p, .rule-section ul {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.rule-section ul {
    padding-left: 20px;
}

.rule-section li {
    margin-bottom: 8px;
}

.fish-value-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.fish-value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    padding: 12px 16px;
    border-radius: var(--radius);
}

.fish-icon {
    font-size: 28px;
}

.fish-name {
    font-weight: 600;
    color: var(--text-primary);
}

.fish-points {
    color: var(--secondary);
    font-weight: 700;
    margin-left: auto;
}

/* 排行榜 */
.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 16px 20px;
    transition: all 0.3s ease;
}

.leaderboard-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

.rank-badge {
    font-size: 20px;
    font-weight: 800;
    color: var(--secondary);
    min-width: 40px;
}

.leaderboard-name {
    flex: 1;
    font-weight: 600;
    font-size: 16px;
}

.leaderboard-score {
    color: var(--secondary);
    font-weight: 700;
    font-size: 18px;
}

.leaderboard-date {
    color: var(--text-muted);
    font-size: 13px;
}

/* 后台管理 */
.admin-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.admin-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--secondary-light);
}

.login-form {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 400px;
    margin: 40px auto;
}

.login-form h2 {
    text-align: center;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
}

.form-group input[type="color"] {
    height: 44px;
    padding: 4px;
}

.error-msg {
    color: var(--danger);
    font-size: 14px;
    text-align: center;
    margin-top: 12px;
}

/* 管理标签页 */
.admin-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: rgba(245, 166, 35, 0.15);
    border-color: var(--secondary);
    color: var(--secondary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 数据列表 */
.data-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.data-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 12px 16px;
}

.data-item .item-info {
    flex: 1;
}

.data-item .item-name {
    font-weight: 600;
    font-size: 16px;
}

.data-item .item-detail {
    color: var(--text-secondary);
    font-size: 13px;
}

.data-item .item-actions {
    display: flex;
    gap: 8px;
}

.data-item .btn-edit, .data-item .btn-delete {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-edit {
    background: rgba(6, 214, 160, 0.15);
    color: var(--accent);
    border: 1px solid rgba(6, 214, 160, 0.3);
}

.btn-delete {
    background: rgba(239, 71, 111, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 71, 111, 0.3);
}

.btn-edit:hover, .btn-delete:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

/* 编辑表单 */
.edit-form {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 16px;
}

.edit-form h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--secondary-light);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

/* 页脚 */
footer {
    background: rgba(10, 22, 40, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 40px 24px 24px;
    margin-top: 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo {
    height: 36px;
    width: auto;
    align-self: flex-start;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary);
}

.footer-copyright {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 13px;
}

/* 响应式 */
@media (max-width: 768px) {
    nav {
        padding: 10px 16px;
        gap: 12px;
    }

    .nav-center {
        gap: 4px;
    }

    .nav-center a {
        padding: 6px 12px;
        font-size: 13px;
    }

    .logo-text {
        font-size: 16px;
    }

    .score-badge {
        font-size: 13px;
        padding: 4px 12px;
    }

    main {
        padding: 16px;
    }

    .page-content {
        padding: 10px;
    }

    .page-content h1 {
        font-size: 28px;
    }

    .overlay-content h2 {
        font-size: 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .fish-value-list {
        grid-template-columns: 1fr 1fr;
    }

    .admin-tabs {
        flex-direction: column;
    }

    .data-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .data-item .item-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .nav-center a {
        padding: 6px 8px;
        font-size: 12px;
    }

    .logo-text {
        font-size: 14px;
    }

    .score-badge {
        font-size: 12px;
        padding: 4px 10px;
    }

    .overlay-content h2 {
        font-size: 24px;
    }

    .overlay-content {
        padding: 20px;
    }

    .btn-primary {
        padding: 12px 28px;
        font-size: 16px;
    }

    .page-content h1 {
        font-size: 24px;
    }

    .login-form {
        padding: 24px;
    }
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-content, .rule-section, .leaderboard-item, .data-item {
    animation: fadeIn 0.5s ease-out;
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-gradient-start);
}

::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}