/* ========== Reset & Base ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #f0f2f5;
    --bg-card: rgba(0,0,0,0.025);
    --bg-card-solid: #ffffff;
    --bg-card-hover: rgba(0,0,0,0.05);
    --text: #1f2937;
    --text-muted: #4b5563;
    --border: rgba(0,0,0,0.08);
    --border-light: rgba(0,0,0,0.05);
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: rgba(59,130,246,0.08);
    --accent: #f97316;
    --danger: #ef4444;
    --success: #22c55e;
    --nav-bg: #101827;
    --nav-bg-soft: rgba(16,24,39,0.92);
    --nav-gold: #ffd447;
    --nav-gold-dark: #d19a00;

    --sidebar-width: 260px;
    --topbar-height: 56px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.05);
    --shadow-lg: 0 12px 36px rgba(0,0,0,0.1), 0 2px 6px rgba(0,0,0,0.06);
    --shadow-glow: 0 0 20px rgba(59,130,246,0.1);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    /* Element colors */
    --fire: #ef4444;
    --water: #3b82f6;
    --grass: #4ade80;
    --electric: #facc15;
    --ice: #22d3ee;
    --fighting: #dc2626;
    --poison: #c084fc;
    --ground: #b5631a;
    --flying: #a78bfa;
    --normal: #9ca3af;
    --bug: #a3e635;
    --rock: #8b7355;
    --ghost: #7c3aed;
    --dragon: #6366f1;
    --dark: #57534e;
    --steel: #94a3b8;
    --light: #fbbf24;
    --divine: #f59e0b;
}

body {
    font-family: 'Comic Sans MS', 'YouYuan', 'Microsoft YaHei UI', 'Microsoft YaHei', 'PingFang SC', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

body.mobile-menu-open {
    overflow: hidden;
}

/* Subtle grain overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: #2563eb; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== Top Bar (Glass) ========== */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background:
        radial-gradient(circle at 22% 0%, rgba(255,212,71,0.2), transparent 28%),
        linear-gradient(180deg, rgba(17,24,39,0.96), rgba(9,13,24,0.94));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: none;
    box-shadow: 0 12px 34px rgba(8,13,24,0.18);
    z-index: 1000;
}

.topbar::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -20px;
    height: 20px;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(9,13,24,0.12), transparent);
}

.topbar-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    position: relative;
}

.topbar-brand {
    position: absolute;
    left: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.08em;
    font-weight: 900;
    font-family: Georgia, 'Times New Roman', 'Microsoft YaHei UI', serif;
    font-style: italic;
    background: linear-gradient(180deg, #ffffff 0%, #f5e6c8 40%, #e8d5a8 70%, #d4b896 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
    letter-spacing: 0;
    text-shadow: 0 2px 0 rgba(0,0,0,0.34);
}

.brand-text {
    display: block;
    line-height: 1;
    filter: drop-shadow(0 5px 12px rgba(0,0,0,0.28));
    background: linear-gradient(180deg, #fffdf6 0%, #fff3c4 42%, #ead18f 72%, #b98b37 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
    -webkit-text-fill-color: initial;
    display: block;
}

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

.topbar-nav-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 13px;
    border-radius: 999px;
    font-size: 0.9em;
    font-weight: 800;
    color: #f7d455;
    white-space: nowrap;
    transition: all 0.2s ease;
    letter-spacing: 0.4px;
    text-shadow: 0 2px 0 rgba(0,0,0,0.45);
}

.nav-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
    flex-shrink: 0;
}

.nav-icon-svg {
    color: #f7d455;
    transition: color 0.2s;
}

.topbar-nav-item.active .nav-icon-svg {
    color: #111827;
}

.topbar-nav-item:hover {
    color: #fff6bf;
    background: rgba(255,212,71,0.11);
    transform: translateY(-1px);
}

.topbar-nav-item.active {
    color: #111827;
    background: linear-gradient(180deg, #fff4a8, #ffd447 55%, #f5a400);
    font-weight: 900;
    box-shadow: 0 5px 0 rgba(117,75,0,0.38), 0 10px 20px rgba(0,0,0,0.2);
    text-shadow: 0 1px 0 rgba(255,255,255,0.55);
}

/* ========== App Layout (Sidebar + Main) ========== */
.app-layout {
    display: flex;
    padding-top: var(--topbar-height);
    min-height: calc(100vh - var(--topbar-height) - 60px);
    position: relative;
    z-index: 1;
}

/* ========== Sidebar (Glass) ========== */
.sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--topbar-height));
    background:
        radial-gradient(circle at 0 12%, rgba(255,212,71,0.16), transparent 30%),
        linear-gradient(180deg, rgba(17,24,39,0.94), rgba(24,34,55,0.9));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: none;
    box-shadow: 18px 0 36px rgba(9,13,24,0.14);
    z-index: 999;
    display: flex;
    flex-direction: column;
}

.sidebar::after {
    content: '';
    position: fixed;
    top: var(--topbar-height);
    left: var(--sidebar-width);
    width: 28px;
    height: calc(100vh - var(--topbar-height));
    pointer-events: none;
    background: linear-gradient(90deg, rgba(9,13,24,0.16), transparent);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255,255,255,0.76);
    transition: all 0.2s ease;
    border-left: none;
    text-decoration: none;
    margin: 3px 12px;
    border-radius: 16px;
}

.sidebar-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
    opacity: 0.82;
    transition: opacity 0.2s;
}

.sidebar-item:hover .sidebar-icon {
    opacity: 1;
}

.sidebar-item.active .sidebar-icon {
    opacity: 1;
}

.sidebar-icon-svg {
    color: rgba(255,255,255,0.76);
    transition: color 0.2s;
}

.sidebar-item.active .sidebar-icon-svg {
    color: #182033;
}

.sidebar-item:hover {
    background: rgba(255,255,255,0.08);
    color: #fff6bf;
    transform: translateX(2px);
}

.sidebar-item.active {
    background: linear-gradient(180deg, rgba(255,244,168,0.98), rgba(255,212,71,0.94));
    color: #182033;
    box-shadow: 0 5px 0 rgba(117,75,0,0.32), 0 10px 22px rgba(0,0,0,0.18);
}

.sidebar-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sidebar-title {
    font-size: 0.93em;
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: 0.2px;
}

.sidebar-desc {
    font-size: 0.78em;
    color: rgba(255,255,255,0.62);
    line-height: 1.3;
    font-weight: 500;
}

.sidebar-item.active .sidebar-desc {
    color: rgba(24,32,51,0.66);
}

/* ========== Sidebar Group (collapsible sub-menu) ========== */
.sidebar-group {
    position: relative;
}

.sidebar-group .sidebar-parent {
    position: relative;
}

.sidebar-arrow {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-left: auto;
    opacity: 0.5;
    transition: transform 0.25s ease, opacity 0.2s;
    cursor: pointer;
    padding: 2px;
    border-radius: 4px;
}

.sidebar-arrow:hover {
    opacity: 0.9;
    background: rgba(255,255,255,0.1);
}

.sidebar-group.expanded .sidebar-arrow {
    transform: rotate(180deg);
}

.sidebar-sub {
    display: none;
    flex-direction: column;
    padding: 2px 0 6px;
}

.sidebar-group.expanded .sidebar-sub {
    display: flex;
}

.sidebar-sub-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px 8px 52px;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.85em;
    font-weight: 700;
    transition: all 0.2s ease;
    border-radius: 10px;
    margin: 1px 20px;
    letter-spacing: 0.2px;
}

.sidebar-sub-item:hover {
    color: #fff6bf;
    background: rgba(255,255,255,0.06);
    transform: translateX(2px);
}

.sidebar-sub-item.active {
    color: #ffd447;
    background: rgba(255,212,71,0.12);
}

.sidebar-sub-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.sidebar-sub-item:hover .sidebar-sub-icon,
.sidebar-sub-item.active .sidebar-sub-icon {
    opacity: 1;
}

/* ========== Sidebar Footer (Contact) ========== */
.sidebar-footer {
    padding: 8px 12px 12px;
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-contact-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    border-radius: 12px;
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    font-size: 0.8em;
    font-weight: 600;
    transition: all 0.2s ease;
    letter-spacing: 0.3px;
}

.sidebar-contact-link:hover {
    color: rgba(255,255,255,0.8);
    background: rgba(255,255,255,0.05);
}

.sidebar-contact-link.active {
    color: #ffd447;
    background: rgba(255,212,71,0.1);
}

.sidebar-contact-link .sidebar-icon {
    width: 20px;
    height: 20px;
    opacity: 0.55;
}

.sidebar-contact-link:hover .sidebar-icon {
    opacity: 0.85;
}

.sidebar-contact-link.active .sidebar-icon {
    opacity: 1;
}

/* ========== Main Content ========== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

/* ========== Hero ========== */
.hero {
    background: linear-gradient(180deg, rgba(96,165,250,0.06) 0%, transparent 100%);
    padding: 60px 20px 40px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.hero h1 {
    font-size: 2em;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #60a5fa, #a78bfa, #fb923c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.05em;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-hint {
    margin-top: 10px;
    font-size: 0.9em;
    color: var(--text-muted);
    opacity: 0.7;
    font-weight: 500;
}

/* ========== Home Cards ========== */
.home-cards {
    display: flex;
    gap: 20px;
    padding: 40px 0;
    justify-content: center;
}

.home-card {
    flex: 1;
    max-width: 200px;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s, box-shadow 0.25s;
}

.home-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0,0,0,0.12);
}

.home-card-num {
    font-size: 2.5em;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-card-label {
    font-size: 0.92em;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

/* ========== Page Header ========== */
.page-header {
    background: var(--bg-card-solid);
    border-bottom: 1px solid var(--border);
    padding: 28px 24px;
    text-align: center;
}

.page-header h1 { font-size: 1.6em; }

.subtitle {
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

.back-link {
    display: inline-block;
    margin-bottom: 6px;
    font-size: 0.92em;
    color: var(--primary);
}

/* ========== Filter Bar ========== */
.filter-bar {
    margin: 20px 0;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.filter-form { width: 100%; }

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.filter-group { flex: 1; min-width: 120px; }

.filter-input,
.filter-select {
    width: 100%;
    padding: 9px 12px;
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.92em;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.filter-input::placeholder { color: var(--text-muted); opacity: 0.5; }

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(96,165,250,0.15);
}

.filter-select option { background: #ffffff; color: var(--text); }

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.92em;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    letter-spacing: 0.2px;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: #fff;
    box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 18px rgba(59,130,246,0.45);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover { background: var(--primary-light); }

.btn-sm { padding: 6px 14px; font-size: 0.82em; }
.btn-lg { padding: 14px 32px; font-size: 1.05em; }

/* ========== Pet Grid ========== */
.pet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    padding: 20px 0;
}

.pet-card {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s ease;
    display: block;
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

.pet-card:hover {
    transform: translateY(-4px);
    border-color: rgba(96,165,250,0.3);
    box-shadow: var(--shadow-lg);
}

.pet-card-image {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,0,0,0.02), rgba(0,0,0,0.03));
}

.pet-placeholder {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7em;
    font-weight: bold;
    color: var(--text-muted);
}

.pet-card-info { padding: 14px; }

.pet-id { color: var(--text-muted); font-size: 0.82em; font-weight: 500; }
.pet-name { font-size: 1.05em; margin: 2px 0 6px; }

.pet-tags {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.78em;
    font-weight: 500;
}

.rarity-tag { color: var(--accent); }

.pet-stats-mini {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 10px;
    font-size: 0.8em;
}

.stat-mini {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-weight: 500;
}

.pet-total {
    margin-top: 8px;
    font-weight: bold;
    color: var(--primary);
}

/* ========== Element Tag Colors ========== */
.element-火-bg   { background: rgba(239,68,68,0.12); color: #b91c1c; }
.element-水-bg   { background: rgba(59,130,246,0.12); color: #1d4ed8; }
.element-草-bg   { background: rgba(34,197,94,0.12); color: #15803d; }
.element-电-bg   { background: rgba(234,179,8,0.12); color: #a16207; }
.element-冰-bg   { background: rgba(6,182,212,0.12); color: #0e7490; }
.element-武-bg   { background: rgba(220,38,38,0.12); color: #b91c1c; }
.element-毒-bg   { background: rgba(168,85,247,0.12); color: #7c3aed; }
.element-土-bg   { background: rgba(181,99,26,0.12); color: #92400e; }
.element-翼-bg   { background: rgba(139,92,246,0.12); color: #6d28d9; }
.element-萌-bg   { background: rgba(244,114,182,0.12); color: #be185d; }
.element-虫-bg   { background: rgba(132,204,22,0.12); color: #4d7c0f; }
.element-石-bg   { background: rgba(139,115,85,0.12); color: #6b5030; }
.element-幽灵-bg { background: rgba(124,58,237,0.12); color: #6b21a8; }
.element-龙-bg   { background: rgba(99,102,241,0.12); color: #4338ca; }
.element-恶魔-bg { background: rgba(87,83,78,0.15); color: #44403c; }
.element-机械-bg { background: rgba(148,163,184,0.12); color: #475569; }
.element-光-bg   { background: rgba(251,191,36,0.12); color: #a16207; }
.element-神-bg   { background: rgba(245,158,11,0.12); color: #b45309; }

/* Element borders */
.element-border-火 { border-left: 3px solid var(--fire); }
.element-border-水 { border-left: 3px solid var(--water); }
.element-border-草 { border-left: 3px solid var(--grass); }
.element-border-电 { border-left: 3px solid var(--electric); }
.element-border-冰 { border-left: 3px solid var(--ice); }
.element-border-武 { border-left: 3px solid var(--fighting); }
.element-border-毒 { border-left: 3px solid var(--poison); }
.element-border-土 { border-left: 3px solid var(--ground); }
.element-border-翼 { border-left: 3px solid var(--flying); }
.element-border-萌 { border-left: 3px solid var(--normal); }
.element-border-虫 { border-left: 3px solid var(--bug); }
.element-border-石 { border-left: 3px solid var(--rock); }
.element-border-幽灵 { border-left: 3px solid var(--ghost); }
.element-border-龙 { border-left: 3px solid var(--dragon); }
.element-border-恶魔 { border-left: 3px solid var(--dark); }
.element-border-机械 { border-left: 3px solid var(--steel); }
.element-border-光 { border-left: 3px solid var(--light); }
.element-border-神 { border-left: 3px solid var(--divine); }

/* ========== Detail Layout ========== */
.detail-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
    padding: 24px 0;
}

.detail-sidebar {
    position: sticky;
    top: calc(var(--topbar-height) + 16px);
    align-self: start;
}

.detail-image {
    height: 240px;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.detail-placeholder {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2em;
    font-weight: bold;
    color: var(--text-muted);
}

.detail-basic {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.pet-id-large { color: var(--text-muted); font-size: 0.88em; font-weight: 500; }
.pet-name-large { font-size: 1.5em; margin: 4px 0; }
.pet-tags-large { display: flex; gap: 8px; margin: 8px 0; }
.pet-desc { color: var(--text-muted); margin: 10px 0; font-size: 0.9em; font-weight: 500; }
.pet-physical { display: flex; gap: 20px; font-size: 0.85em; color: var(--text-muted); margin-top: 8px; font-weight: 500; }

.detail-section {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.detail-section h2 {
    font-size: 1.08em;
    margin-bottom: 14px;
    color: var(--text);
}

.total-badge {
    font-size: 0.8em;
    color: var(--primary);
    float: right;
}

/* ========== Stat Bars ========== */
.stat-bars { display: flex; flex-direction: column; gap: 8px; }

.stat-bar {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-label {
    width: 38px;
    text-align: right;
    font-size: 0.83em;
    color: var(--text-muted);
}

.stat-track {
    flex: 1;
    height: 10px;
    background: rgba(0,0,0,0.05);
    border-radius: 5px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.5s;
}

.stat-hp  { background: #4ade80; }
.stat-atk { background: #f87171; }
.stat-def { background: #fb923c; }
.stat-spa { background: #c084fc; }
.stat-spd { background: #60a5fa; }
.stat-spe { background: #22d3ee; }

.stat-value {
    width: 32px;
    text-align: right;
    font-size: 0.85em;
    font-weight: bold;
    color: var(--text);
}

/* ========== Evolution Chain ========== */
.evo-chain {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    overflow-x: auto;
    padding: 10px 0;
}

.evo-node {
    text-align: center;
    min-width: 90px;
}

.evo-current {
    background: var(--primary-light);
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 8px;
}

.evo-link { display: block; color: var(--text); padding: 4px; }

.evo-image-small {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 4px;
    font-size: 1em;
}

.evo-name { font-size: 0.82em; }
.evo-arrow { font-size: 1.3em; color: var(--text-muted); padding-top: 15px; }
.evo-condition { display: block; font-size: 0.7em; color: var(--accent); margin-top: 4px; font-weight: 500; }

/* ========== Skill Chips ========== */
.skill-list-inline { display: flex; flex-wrap: wrap; gap: 8px; }

.skill-chip {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.84em;
    color: var(--text);
    transition: all 0.2s;
}

.skill-chip:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: #1d4ed8;

.hint {
    margin-top: 10px;
    font-size: 0.78em;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========== Table ========== */
.table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card-solid);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: rgba(0,0,0,0.03);
    font-size: 0.83em;
    color: var(--text-muted);
    font-weight: 600;
}

.data-table tr:hover td { background: rgba(0,0,0,0.02); }

.type-tag { background: rgba(0,0,0,0.05); color: var(--text-muted); }

.type-物理 { color: #f87171; }
.type-魔法 { color: #c084fc; }
.type-变化 { color: #4ade80; }
.cat-tag { font-size: 0.85rem; }
.cat-物理攻击 { background: rgba(239,68,68,0.1); color: #b91c1c; }
.cat-魔法攻击 { background: rgba(168,85,247,0.1); color: #7c3aed; }
.cat-状态 { background: rgba(34,197,94,0.1); color: #15803d; }
.cat-防御 { background: rgba(59,130,246,0.1); color: #1d4ed8; }

/* ========== Detail Card ========== */
.detail-card {
    max-width: 700px;
    margin: 24px auto;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.detail-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
    text-align: center;
    background: rgba(0,0,0,0.02);
}

.detail-id { color: var(--text-muted); font-size: 0.88em; font-weight: 500; }
.detail-header h1 { font-size: 1.5em; margin: 4px 0 10px; }

.detail-body { padding: 24px; }

.detail-tags { display: flex; gap: 8px; justify-content: center; }

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.info-item {
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    text-align: center;
}

.info-label { display: block; font-size: 0.76em; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }
.info-value { font-size: 1.1em; font-weight: bold; color: var(--text); }

.skill-effect-box {
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}

.skill-effect-box h3 {
    font-size: 0.88em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

/* ========== Battle Layout ========== */
.battle-layout {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 0;
}

.battle-side {
    flex: 1;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.battle-label {
    font-size: 1.08em;
    margin-bottom: 16px;
}

.attacker-label { color: #f87171; }
.defender-label { color: #60a5fa; }

.battle-select-group { margin-bottom: 12px; }

.battle-select-group label {
    display: block;
    font-size: 0.84em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.form-select {
    width: 100%;
    padding: 10px 12px;
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.92em;
    transition: border-color 0.2s;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(96,165,250,0.15);
}

.form-select option { background: #ffffff; color: var(--text); }

.battle-preview { margin-top: 12px; }

.battle-vs {
    display: flex;
    align-items: center;
    padding-top: 60px;
}

.vs-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1em;
    font-weight: bold;
    color: var(--text-muted);
    border: 2px solid var(--border);
}

.battle-action {
    text-align: center;
    padding-bottom: 20px;
}

/* Battle result */
.battle-result {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.result-card { margin-top: 10px; }
.result-detail { font-size: 1.02em; margin-bottom: 16px; }

.result-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.result-stat {
    background: rgba(0,0,0,0.03);
    border-radius: var(--radius-sm);
    padding: 14px;
    text-align: center;
}

.result-label { display: block; font-size: 0.8em; color: var(--text-muted); margin-bottom: 4px; }
.result-value { font-size: 1.2em; font-weight: bold; }
.damage-num { color: #f87171; font-size: 1.5em; }

.effective-super { color: #b91c1c; }
.effective-resist { color: #15803d; }
.effective-immune { color: #9ca3af; }
.effective-normal { color: var(--text); }

.effective-super-bg { background: rgba(248,113,113,0.12); }
.effective-resist-bg { background: rgba(74,222,128,0.12); }
.effective-immune-bg { background: rgba(0,0,0,0.03); }
.effective-normal-bg { background: rgba(0,0,0,0.02); }

.preview-card {
    background: rgba(0,0,0,0.03);
    border-radius: var(--radius-sm);
    padding: 12px;
    border: 1px solid var(--border);
}

/* ========== Chart - Circular Network ========== */
.chart-container {
    max-width: 1060px;
    padding: 0 16px 32px;
}

.chart-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    margin: 8px 0 16px;
}

.type-select-row {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    box-shadow: var(--shadow-sm);
}

.type-select-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.type-select-group label {
    font-size: 0.78em;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chart-select {
    padding: 10px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    font-size: 0.92em;
    background: rgba(0,0,0,0.03);
    color: var(--text);
    min-width: 155px;
    transition: border-color 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.chart-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(96,165,250,0.15);
    outline: none;
}

/* Custom type picker */
.type-picker-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.type-picker-group label {
    font-size: 0.78em;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.type-picker {
    position: relative;
    min-width: 170px;
}
.type-picker-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(0,0,0,0.03);
    color: var(--text);
    font-size: 0.92em;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    text-align: left;
}
.type-picker-btn:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(96,165,250,0.1);
}
.picker-placeholder { color: var(--text-muted); }
.picker-val-text { font-weight: 600; color: var(--text); }
.type-picker-drop {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    max-height: 280px;
    overflow-y: auto;
    min-width: 100%;
    padding: 4px 0;
}
.type-picker-drop.open { display: block; }
.type-picker-opt {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    cursor: pointer;
    transition: background 0.15s;
    font-size: 0.9em;
    color: var(--text);
}
.type-picker-opt:hover { background: rgba(0,0,0,0.05); }
.type-picker-opt.active { background: var(--primary-light); font-weight: 600; }
.picker-opt-icon { width: 20px; height: 20px; border-radius: 50%; object-fit: contain; }
.picker-opt-name { color: var(--text); }

/* Node icon styling */
.node-icon {
    transition: transform 0.2s ease;
}
.chart-node:hover .node-icon {
    transform: scale(1.1);
}

/* Center icon */
.center-icon {
    transition: transform 0.3s ease;
}

/* Selected type display (icon + name) */
.type-display {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px 14px;
    background: rgba(0,0,0,0.03);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 0.92em;
    font-weight: 600;
}

.td-name { margin-left: 2px; }
.td-plus { color: var(--text-muted); font-size: 1.1em; margin: 0 2px; }

.it-wrap {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    vertical-align: middle;
}
.it-icon { border-radius: 50%; object-fit: contain; vertical-align: middle; }
.it-text { display: inline; vertical-align: middle; }

.type-plus {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--text-muted);
    margin-top: 18px;
}

.chart-main-area {
    display: flex;
    gap: 0;
    background: var(--bg-card-solid);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0,0,0,0.06);
    overflow: hidden;
    min-height: 380px;
}

.chart-network {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, rgba(59,130,246,0.04), transparent 40%);
    padding: 8px;
}

#chart-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.chart-node {
    transition: none;
}

.chart-node:hover .node-circle {
    filter: brightness(1.12);
}

.node-circle {
    transition: all 0.2s ease;
}

.node-icon {
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.center-icon {
    pointer-events: none;
}

.center-group circle {
    transition: fill 0.35s ease;
}

/* Connection lines */
.conn-group line {
    transition: opacity 0.2s;
}

.conn-group:hover line {
    opacity: 1 !important;
}

.cg-se line { stroke: #ef5350; stroke-width: 2.5; opacity: 0.75; }
.cg-ds line { stroke: #c62828; stroke-width: 4.5; opacity: 0.85; }
.cg-ke line { stroke: #22c55e; stroke-width: 3.4; opacity: 0.88; }
.cg-bk line { stroke: #ef5350; stroke-width: 3.4; opacity: 0.9; }
.cg-re line { stroke: #66bb6a; stroke-width: 2; stroke-dasharray: 5 4; opacity: 0.6; }
.cg-dr line { stroke: #2e7d32; stroke-width: 3.5; stroke-dasharray: 7 4; opacity: 0.8; }
.cg-im line { stroke: #bdbdbd; stroke-width: 1.8; stroke-dasharray: 3 5; opacity: 0.5; }

.conn-label {
    pointer-events: none;
    text-shadow: 0 0 4px rgba(255,255,255,0.95), 0 0 2px rgba(255,255,255,0.8);
    font-family: 'Segoe UI', system-ui, sans-serif;
}

/* Summary cards (embedded right panel) */
.chart-summary-cards {
    width: 210px;
    flex: 0 0 210px;
    display: flex;
    padding: 12px;
    background: #fafbfc;
    border-left: 1px solid rgba(0,0,0,0.08);
}

.summary-card {
    width: 100%;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
}

.summary-card-title {
    font-size: 0.8em; font-weight: 700; color: var(--text);
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    text-align: center;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.summary-group { display: flex; flex-direction: column; gap: 5px; }

.summary-label { font-size: 0.72em; font-weight: 700; }
.ke-label { color: #15803d; }
.bk-label { color: #b91c1c; }

.summary-tags { display: flex; flex-wrap: wrap; gap: 4px; min-height: 22px; }

.card-placeholder {
    font-size: 0.78em; color: var(--text-muted); margin: 0;
}

.chart-tag {
    font-size: 0.78em;
    padding: 4px 7px;
    border-radius: 6px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 28px;
}

.tag-super { background: rgba(239,68,68,0.12); color: #b91c1c; border: 1px solid rgba(239,68,68,0.25); }
.tag-resist { background: rgba(34,197,94,0.12); color: #15803d; border: 1px solid rgba(34,197,94,0.25); }
.tag-ke { background: rgba(34,197,94,0.14); color: #15803d; border: 1px solid rgba(34,197,94,0.3); }
.tag-bk { background: rgba(239,68,68,0.14); color: #b91c1c; border: 1px solid rgba(239,68,68,0.3); }
.tag-immune { background: rgba(0,0,0,0.04); color: #6b7280; border: 1px solid rgba(0,0,0,0.1); }
.chart-tag b {
    margin-left: 0;
    padding: 1px 5px;
    border-radius: 999px;
    background: rgba(255,255,255,0.72);
    font-size: 0.9em;
}

@media (max-width: 780px) {
    .chart-main-area {
        flex-direction: column;
        min-height: auto;
    }
    .chart-network {
        min-height: 360px;
    }
    .chart-summary-cards {
        width: 100%;
        flex-basis: auto;
        border-left: none;
        border-top: 1px solid rgba(0,0,0,0.08);
    }
}

/* ========== Team Builder ========== */
.team-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 24px 0;
}

.team-slots {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.team-slots h2 { margin-bottom: 16px; }

.slot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.team-slot {
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px;
}

.slot-number { display: block; font-size: 0.73em; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }

.slot-select {
    width: 100%;
    padding: 7px 8px;
    background: rgba(0,0,0,0.05);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.82em;
}

.slot-select:focus { outline: none; border-color: var(--primary); }
.slot-preview { margin-top: 8px; }

.team-analysis {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.team-analysis h2 { margin-bottom: 4px; }
.team-analysis h3 { margin: 14px 0 8px; font-size: 0.93em; color: var(--text-muted); }

.analysis-summary { display: flex; gap: 16px; margin-bottom: 16px; }

.analysis-stat {
    flex: 1;
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    text-align: center;
}

.analysis-stat span { display: block; font-size: 0.8em; color: var(--text-muted); margin-bottom: 4px; }
.analysis-stat strong { font-size: 1.3em; color: var(--primary); }

.team-members { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.team-member-chip { padding: 6px 12px; border-radius: 20px; font-size: 0.84em; color: #fff; }
.element-counts { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.uncovered-elements { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }

/* ========== Item Grid ========== */
.item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    padding: 20px 0;
}

.item-card {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    transition: all 0.25s;
    color: var(--text);
    display: block;
    box-shadow: var(--shadow-sm);
}

.item-card:hover {
    border-color: rgba(96,165,250,0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.item-icon { font-size: 2.2em; margin-bottom: 8px; }
.item-id { font-size: 0.76em; color: var(--text-muted); font-weight: 500; }
.item-info h3 { font-size: 0.98em; margin: 4px 0 8px; }

/* ========== Empty State ========== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-weight: 500;
}

.empty-icon { font-size: 3em; margin-bottom: 12px; }
.empty-state h3 { margin-bottom: 8px; color: var(--text); }

/* ========== About ========== */
.about-card {
    max-width: 700px;
    margin: 24px auto;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.about-card h2 { margin-bottom: 14px; }
.about-card h3 { margin: 20px 0 10px; font-size: 1.03em; }
.about-card ul { margin-left: 20px; }
.about-card li { margin-bottom: 6px; }

.disclaimer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.84em;
    font-weight: 500;
}

/* ========== Compare Table ========== */
.compare-table-wrapper { overflow-x: auto; padding: 24px 0; }

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card-solid);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.compare-table th,
.compare-table td {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.compare-table thead th {
    background: rgba(0,0,0,0.03);
    vertical-align: top;
}

.compare-table thead th a {
    display: block;
    font-size: 1em;
    color: var(--text);
    margin-bottom: 6px;
}

/* ========== Footer ========== */
.footer {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.83em;
    font-weight: 500;
    border-top: 1px solid var(--border);
    background: rgba(255,255,255,0.5);
    margin-left: var(--sidebar-width);
}

/* team-member-chip colors for light bg */
.team-member-chip.element-火-bg,
.team-member-chip.element-水-bg,
.team-member-chip.element-草-bg,
.team-member-chip.element-电-bg,
.team-member-chip.element-冰-bg,
.team-member-chip.element-武-bg,
.team-member-chip.element-毒-bg,
.team-member-chip.element-土-bg,
.team-member-chip.element-翼-bg,
.team-member-chip.element-萌-bg,
.team-member-chip.element-虫-bg,
.team-member-chip.element-石-bg,
.team-member-chip.element-幽灵-bg,
.team-member-chip.element-龙-bg,
.team-member-chip.element-恶魔-bg,
.team-member-chip.element-机械-bg,
.team-member-chip.element-光-bg,
.team-member-chip.element-神-bg {
    color: #fff;
}

.team-member-chip.element-电-bg { color: #333; }
.team-member-chip.element-光-bg { color: #333; }
.team-member-chip.element-神-bg { color: #333; }
.team-member-chip.element-普通-bg { color: #fff; }

/* ========== Mobile Hamburger Button ========== */
.mobile-menu-btn {
    display: none;
}

/* ========== Mobile Overlay ========== */
.mobile-overlay {
    display: none;
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
    /* ---- Topbar: show hamburger, hide nav items ---- */
    .topbar-inner {
        padding: 0 12px;
        justify-content: flex-start;
        gap: 10px;
    }

    .topbar-brand {
        position: static;
        font-size: 1em;
    }

    .topbar-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        flex: 0 0 38px;
        border: none;
        background: rgba(255,255,255,0.08);
        border-radius: 10px;
        cursor: pointer;
        color: #f7d455;
        padding: 0;
        transition: background 0.2s;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-menu-btn:active {
        background: rgba(255,255,255,0.15);
    }

    .mobile-menu-btn svg {
        width: 24px;
        height: 24px;
        display: block;
    }

    /* ---- Sidebar becomes full-screen drawer ---- */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        right: auto;
        width: 82vw;
        max-width: 320px;
        height: 100vh;
        height: 100dvh;
        max-height: 100vh;
        max-height: 100dvh;
        z-index: 2000;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: none;
        border-right: 1px solid rgba(255,255,255,0.08);
        padding-top: var(--topbar-height);
        overflow: hidden;
        touch-action: pan-y;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 8px 0 40px rgba(0,0,0,0.4);
    }

    .sidebar::after {
        display: none;
    }

    .sidebar-nav {
        flex-direction: column;
        flex-wrap: nowrap;
        padding: 8px 0;
        flex: 1 1 auto;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        touch-action: pan-y;
    }

    .sidebar-item {
        flex-direction: row;
        gap: 10px;
        padding: 12px 20px;
        border-left: none;
        border-radius: 12px;
        font-size: 0.9em;
        margin: 2px 12px;
    }

    .sidebar-group {
        display: block;
    }

    .sidebar-group .sidebar-parent {
        margin: 2px 12px;
    }

    .sidebar-arrow {
        display: block;
    }

    .sidebar-sub {
        display: none;
        flex-direction: column;
        padding: 2px 0 6px;
    }

    .sidebar-group.expanded .sidebar-sub {
        display: flex;
    }

    .sidebar-sub-item {
        padding: 10px 20px 10px 48px;
        margin: 1px 20px;
        border-radius: 10px;
        font-size: 0.85em;
        background: transparent;
    }

    .sidebar-icon {
        width: 24px;
        height: 24px;
    }

    .sidebar-item.active {
        border-left: none;
        border-bottom: none;
    }

    .sidebar-desc {
        display: block;
        font-size: 0.75em;
    }

    .sidebar-footer {
        display: block;
    }

    /* ---- Mobile overlay backdrop ---- */
    .mobile-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1999;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .mobile-overlay.show {
        display: block;
        opacity: 1;
    }

    /* ---- Layout adjustments ---- */
    .app-layout {
        flex-direction: column;
        padding-top: var(--topbar-height);
    }

    .main-content {
        margin-left: 0;
    }

    .footer {
        margin-left: 0;
        font-size: 0.75em;
        padding: 14px 16px;
    }

    /* ---- Typography ---- */
    .hero h1 { font-size: 1.4em; }
    .hero { padding: 32px 16px 24px; }

    /* ---- Layout grids to single column ---- */
    .detail-layout { grid-template-columns: 1fr; }
    .battle-layout { flex-direction: column; }
    .battle-vs { padding-top: 0; }
    .vs-circle { width: 40px; height: 40px; font-size: 0.85em; }
    .team-layout { grid-template-columns: 1fr; }
    .filter-row { flex-direction: column; }
    .filter-group { min-width: 100%; }
    .slot-grid { grid-template-columns: 1fr; }
    .result-stats { grid-template-columns: 1fr; }
    .pet-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .home-cards { flex-direction: column; align-items: center; }
    .home-card { max-width: 100%; width: 100%; }
    .spirit-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .spirit-detail-layout { grid-template-columns: 1fr; }
    .spirit-detail-image-area { position: static; }
    .info-grid { grid-template-columns: 1fr; }

    /* ---- Touch-friendly adjustments ---- */
    .topbar-nav-item,
    .sidebar-item,
    .sidebar-sub-item {
        min-height: 44px;
    }

    .filter-input,
    .filter-select,
    .clothes-search,
    .activity-wrap input,
    .activity-wrap select {
        font-size: 16px; /* prevents iOS zoom on focus */
    }
}

/* ========== 精灵图鉴 ========== */
.spirit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.spirit-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card-solid);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    overflow: hidden;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.spirit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(96,165,250,0.3);
}
.spirit-card.no-image { opacity: 0.6; }

.spirit-card-image {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, rgba(0,0,0,0.03), rgba(0,0,0,0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.spirit-card-image img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    transition: transform 0.3s;
}
.spirit-card:hover .spirit-card-image img { transform: scale(1.08); }
.spirit-card-image .img-error {
    background: linear-gradient(135deg, rgba(0,0,0,0.02), rgba(0,0,0,0.03));
}

.spirit-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
}
.spirit-placeholder .placeholder-icon { font-size: 2.4em; opacity: 0.3; }
.spirit-placeholder .placeholder-text { font-size: 2em; font-weight: 700; opacity: 0.15; }
.spirit-placeholder.large { min-height: 280px; justify-content: center; }

..variant-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(135deg, #fb923c, #ea580c);
    color: #fff;
    font-size: 0.72em;
    font-weight: 700;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(251,146,60,0.35);
    z-index: 6;
    pointer-events: none;
}

.spirit-card-info {
    padding: 12px 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.spirit-id { font-size: 0.72em; color: var(--text-muted); font-weight: 500; }

.spirit-name {
    font-size: 1em;
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.spirit-tags { display: flex; gap: 4px; flex-wrap: wrap; margin: 4px 0; }

.spirit-stats-mini { font-size: 0.72em; color: var(--text-muted); margin-top: 4px; }
.spirit-stats-mini .stat-row { display: flex; gap: 6px; align-items: center; margin-bottom: 2px; }
.spirit-stats-mini .stat-label { font-weight: 500; min-width: 28px; }
.spirit-stats-mini .stat-value { font-weight: 700; min-width: 24px; text-align: right; margin-right: 6px; color: var(--text); }

.spirit-total { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.total-bar-bg {
    flex: 1; height: 5px;
    background: rgba(0,0,0,0.05);
    border-radius: 3px; overflow: hidden;
}
.total-bar-fill { height: 100%; background: var(--primary); border-radius: 3px; }
.total-text { font-weight: 700; font-size: 0.82em; color: var(--primary); }

/* 属性快速筛选 */
.element-quick-filter { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; padding: 10px 0; }
.element-chip {
    font-size: 0.78em;
    padding: 4px 10px;
    border-radius: 14px;
    text-decoration: none;
    color: #fff;
    opacity: 0.7;
    transition: opacity 0.2s, transform 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}
.element-chip:hover { opacity: 0.9; transform: scale(1.05); }
.element-chip.active {
    opacity: 1;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.15), 0 2px 10px rgba(0,0,0,0.2);
    transform: scale(1.05);
}
.chip-count { font-size: 0.85em; opacity: 0.8; }

/* 元素标签背景色 (solid for chips/team member badges) */
.element-火-bg { background: var(--fire); }
.element-水-bg { background: var(--water); }
.element-草-bg { background: var(--grass); }
.element-电-bg { background: var(--electric); color: #333; }
.element-冰-bg { background: var(--ice); }
.element-武-bg { background: var(--fighting); }
.element-毒-bg { background: var(--poison); }
.element-地-bg, .element-土-bg { background: var(--ground); }
.element-翼-bg { background: var(--flying); }
.element-萌-bg { background: #ec4899; }
.element-虫-bg { background: var(--bug); }
.element-石-bg { background: var(--rock); }
.element-幽-bg { background: var(--ghost); }
.element-龙-bg { background: var(--dragon); }
.element-恶-bg { background: var(--dark); }
.element-机械-bg { background: var(--steel); }
.element-光-bg { background: var(--light); color: #333; }
.element-普通-bg { background: var(--normal); }
.element-未知-bg { background: #6b7280; }

/* 首领标签 */
.leader-tag { background: #fb923c !important; color: #fff !important; font-weight: 700; }
/* 异色标签 */
.yise-tag {
    background: linear-gradient(135deg, #fbbf24, #f59e0b) !important;
    color: #fff !important;
    font-weight: 700;
}
.potential-tag {
    background: rgba(251,146,60,0.15) !important;
    color: #c2410c !important;
    border: 1px solid rgba(251,146,60,0.3);
    font-weight: 600;
}

/* ========== Mobile responsive hardening ========== */
@media (max-width: 768px) {
    html,
    body {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }

    img,
    svg,
    canvas,
    video {
        max-width: 100%;
    }

    .container {
        width: 100%;
        padding-left: 14px;
        padding-right: 14px;
    }

    .page-header {
        padding: 22px 14px;
    }

    .page-header h1 {
        font-size: 1.35em;
        line-height: 1.25;
    }

    .filter-bar {
        margin: 14px 0;
        padding: 12px;
        border-radius: 12px;
    }

    .filter-row {
        gap: 8px;
    }

    .filter-input,
    .filter-select,
    .btn {
        min-height: 44px;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding-left: 14px;
        padding-right: 14px;
    }

    .pet-grid,
    .spirit-grid,
    .item-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .spirit-card-image {
        height: 150px;
    }

    .pet-card-image {
        height: 118px;
    }

    .detail-layout,
    .spirit-detail-layout,
    .team-layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .detail-sidebar,
    .spirit-detail-image-area {
        position: static;
    }

    .compare-table-wrapper,
    .egg-table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .compare-table,
    .egg-table {
        min-width: 680px;
    }
}

@media (max-width: 480px) {
    :root {
        --topbar-height: 52px;
    }

    .topbar-inner {
        padding: 0 10px;
    }

    .topbar-brand {
        min-width: 0;
        max-width: calc(100vw - 62px);
    }

    .brand-text {
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-menu-btn {
        width: 38px;
        height: 38px;
        flex: 0 0 38px;
    }

    .sidebar {
        width: min(88vw, 320px);
    }

    .sidebar-item {
        margin-left: 10px;
        margin-right: 10px;
        padding: 11px 14px;
    }

    .sidebar-sub-item {
        margin-left: 16px;
        margin-right: 16px;
        padding-left: 44px;
    }

    .hero {
        padding: 26px 14px 20px;
    }

    .hero h1 {
        font-size: 1.25em;
        line-height: 1.25;
    }

    .hero p {
        font-size: 0.92em;
    }

    .pet-grid,
    .spirit-grid,
    .item-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .spirit-card-image {
        height: 138px;
    }

    .spirit-card-info,
    .pet-card-info {
        padding: 10px;
    }

    .spirit-name,
    .pet-name,
    .item-info h3 {
        font-size: 0.92em;
        line-height: 1.25;
    }

    .tag,
    .element-chip {
        font-size: 0.72em;
    }

    .about-card,
    .team-slots,
    .team-analysis {
        padding: 16px;
        border-radius: 12px;
    }
}

/* ========== iOS Safe Area 适配（刘海屏 / 底部手势条） ========== */
@supports (padding-top: env(safe-area-inset-top)) {
    .topbar {
        padding-top: env(safe-area-inset-top);
        height: calc(var(--topbar-height) + env(safe-area-inset-top));
    }
    :root {
        --topbar-height-real: calc(var(--topbar-height) + env(safe-area-inset-top));
    }
    .app-layout {
        padding-top: calc(var(--topbar-height) + env(safe-area-inset-top));
    }
    .sidebar {
        top: calc(var(--topbar-height) + env(safe-area-inset-top));
        height: calc(100vh - var(--topbar-height) - env(safe-area-inset-top));
    }
    .sidebar-footer {
        padding-bottom: calc(12px + env(safe-area-inset-bottom));
    }
    @media (max-width: 900px) {
        .sidebar {
            top: 0;
            height: 100vh;
            height: 100dvh;
            padding-top: calc(var(--topbar-height) + env(safe-area-inset-top));
            padding-left: env(safe-area-inset-left);
            padding-right: env(safe-area-inset-right);
        }
        .sidebar-footer {
            padding-bottom: calc(12px + env(safe-area-inset-bottom));
        }
    }
}