/* ================================================================
   BIOMAGNETISMO PARA TODOS - Premium Design System v6.0
   Ultra Professional Medical-Grade UI
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* =================== CSS VARIABLES =================== */
:root {
    --bg: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-surface: #F1F5F9;
    --bg-dark: #0F172A;
    --bg-elevated: #FFFFFF;
    --text: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --primary: #6366F1;
    --primary-light: #818CF8;
    --primary-dark: #4F46E5;
    --primary-bg: #EEF2FF;
    --primary-bg-hover: #E0E7FF;
    --red: #EF4444;
    --red-light: #FCA5A5;
    --red-bg: #FEF2F2;
    --red-dark: #DC2626;
    --green: #10B981;
    --green-bg: #ECFDF5;
    --green-dark: #059669;
    --amber: #F59E0B;
    --amber-bg: #FFFBEB;
    --blue: #3B82F6;
    --blue-bg: #EFF6FF;
    --purple: #8B5CF6;
    --purple-bg: #F5F3FF;
    --teal: #14B8A6;
    --teal-bg: #F0FDFA;
    --pink: #EC4899;
    --pink-bg: #FDF2F8;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    --header-h: 60px;
    --bottom-nav-h: 68px;
    --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #A78BFA 100%);
    --gradient-neg: linear-gradient(135deg, #4F46E5 0%, #6366F1 100%);
    --gradient-pos: linear-gradient(135deg, #DC2626 0%, #EF4444 100%);
    --gradient-hero: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --gradient-warm: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    --gradient-cool: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
    --glow-primary: 0 0 20px rgba(99, 102, 241, 0.25);
    --glow-red: 0 0 20px rgba(239, 68, 68, 0.25);
}

[data-theme="dark"] {
    --bg: #0F172A;
    --bg-card: #1E293B;
    --bg-surface: #1E293B;
    --bg-dark: #020617;
    --bg-elevated: #334155;
    --text: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border: #334155;
    --border-light: #1E293B;
    --primary: #818CF8;
    --primary-light: #A5B4FC;
    --primary-dark: #6366F1;
    --primary-bg: rgba(99,102,241,0.15);
    --primary-bg-hover: rgba(99,102,241,0.25);
    --red: #F87171;
    --red-bg: rgba(239,68,68,0.12);
    --green: #34D399;
    --green-bg: rgba(16,185,129,0.12);
    --amber: #FBBF24;
    --amber-bg: rgba(245,158,11,0.12);
    --blue: #60A5FA;
    --blue-bg: rgba(59,130,246,0.12);
    --purple: #A78BFA;
    --purple-bg: rgba(139,92,246,0.12);
    --teal: #2DD4BF;
    --teal-bg: rgba(20,184,166,0.12);
    --pink: #F472B6;
    --pink-bg: rgba(236,72,153,0.12);
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.35);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.4);
    --glow-primary: 0 0 25px rgba(129, 140, 248, 0.3);
    --glow-red: 0 0 25px rgba(248, 113, 113, 0.3);
}

/* =================== RESET & BASE =================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input { font-family: var(--font); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* =================== SPLASH SCREEN =================== */
.splash {
    position: fixed; inset: 0; z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(160deg, #0F172A 0%, #1E1B4B 35%, #312E81 70%, #1E1B4B 100%);
    transition: opacity 0.8s ease, transform 0.8s ease;
    overflow: hidden;
}
.splash.hidden { opacity: 0; transform: scale(1.08); pointer-events: none; }

.splash-bg {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(99,102,241,0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(139,92,246,0.12) 0%, transparent 60%);
}

.splash-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 8s ease-in-out infinite;
}
.splash-orb-1 { width: 400px; height: 400px; background: #6366F1; top: -100px; left: -100px; }
.splash-orb-2 { width: 350px; height: 350px; background: #8B5CF6; bottom: -80px; right: -80px; animation-delay: -3s; }
.splash-orb-3 { width: 250px; height: 250px; background: #EC4899; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -6s; }

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -40px) scale(1.05); }
    66% { transform: translate(-20px, 30px) scale(0.95); }
}

.splash-content {
    position: relative; z-index: 2;
    text-align: center;
    padding: 2rem;
    max-width: 420px;
}

.splash-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.splash-magnet {
    width: 72px; height: 72px;
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 900; font-size: 1.6rem;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: magnetPulse 2.5s ease-in-out infinite;
}
.splash-magnet-n {
    background: var(--gradient-neg);
    color: white;
}
.splash-magnet-s {
    background: var(--gradient-pos);
    color: white;
    animation-delay: -1.25s;
}
.magnet-field {
    position: absolute; inset: -8px;
    border-radius: 22px;
    border: 2px solid rgba(255,255,255,0.15);
    animation: fieldPulse 2.5s ease-in-out infinite;
}
.splash-magnet-s .magnet-field { animation-delay: -1.25s; }

@keyframes magnetPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.06); }
}
@keyframes fieldPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.15); }
}

.splash-energy {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 60px;
}
.energy-line {
    height: 3px;
    background: linear-gradient(90deg, rgba(99,102,241,0.6), rgba(236,72,153,0.6), rgba(239,68,68,0.6));
    border-radius: 3px;
    animation: energyFlow 1.8s ease-in-out infinite;
}
.energy-line:nth-child(2) { animation-delay: -0.3s; width: 80%; margin: 0 auto; }
.energy-line:nth-child(3) { animation-delay: -0.6s; width: 60%; margin: 0 auto; }

@keyframes energyFlow {
    0%, 100% { opacity: 0.3; transform: scaleX(0.6); }
    50% { opacity: 1; transform: scaleX(1); }
}

.splash-title {
    font-size: 2.4rem; font-weight: 900;
    background: linear-gradient(135deg, #FFFFFF 0%, #C7D2FE 40%, #A78BFA 80%, #818CF8 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}
.splash-title span {
    font-weight: 400; font-size: 1.4rem;
    background: linear-gradient(135deg, #C7D2FE 0%, #A5B4FC 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

.splash-subtitle {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 0.01em;
}

.splash-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
}
.splash-stat { text-align: center; }
.splash-stat-num {
    font-size: 1.6rem; font-weight: 800;
    background: linear-gradient(135deg, #818CF8, #A78BFA);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}
.splash-stat-label { color: rgba(255,255,255,0.5); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500; margin-top: 2px; }
.splash-stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,0.1); }

.splash-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(99,102,241,0.35);
    letter-spacing: 0.01em;
}
.splash-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99,102,241,0.45);
}
.splash-btn:active { transform: translateY(0); }

.splash-credits {
    margin-top: 1.5rem;
    color: rgba(255,255,255,0.3);
    font-size: 0.72rem;
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* =================== APP LAYOUT =================== */
.app { display: none; min-height: 100vh; }
.app.active { display: block; animation: fadeIn 0.5s ease; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.main {
    padding: calc(var(--header-h) + 8px) 16px calc(var(--bottom-nav-h) + 16px);
    max-width: 800px;
    margin: 0 auto;
}

/* =================== HEADER =================== */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(248,250,252,0.85);
    transition: var(--transition);
}
[data-theme="dark"] .header { background: rgba(15,23,42,0.85); }

.header-inner {
    max-width: 800px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
}
.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.header-logo {
    width: 38px; height: 38px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: white;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}
.header-title {
    font-size: 1.15rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}
.header-actions {
    display: flex; gap: 6px;
}
.header-btn {
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-surface);
}
.header-btn:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

/* =================== QUICK TAGS =================== */
.quick-tags-section {
    margin: 8px 0 12px;
    overflow: hidden;
}
.quick-tags {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 4px 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.quick-tags::-webkit-scrollbar { display: none; }
.tag {
    flex-shrink: 0;
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}
.tag:hover, .tag:active {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

/* =================== TABS =================== */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-surface);
    padding: 4px;
    border-radius: var(--radius);
    margin-bottom: 12px;
    position: sticky;
    top: var(--header-h);
    z-index: 40;
    box-shadow: var(--shadow-xs);
}
.tab {
    flex: 1;
    padding: 10px 8px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.tab i { font-size: 0.85rem; }
.tab.active {
    background: var(--bg-card);
    color: var(--primary);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}
.tab:not(.active):hover { color: var(--text-secondary); }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: panelIn 0.3s ease; }
@keyframes panelIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* =================== STATS ROW =================== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}
.stat-item {
    text-align: center;
    padding: 16px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}
.stat-item:hover { border-color: var(--primary); box-shadow: var(--glow-primary); }
.stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
    line-height: 1;
}
.stat-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
    margin-top: 4px;
}

/* =================== FILTER ROW =================== */
.filter-row {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 2px 0 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.filter-row::-webkit-scrollbar { display: none; }
.filter-chip {
    flex-shrink: 0;
    padding: 7px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}
.filter-chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}
.filter-chip:not(.active):hover {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
}

/* =================== SEARCH =================== */
.sticky-search {
    position: sticky;
    top: calc(var(--header-h) + 48px);
    z-index: 50;
    padding: 10px 0 8px;
    background: var(--bg);
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
    transition: box-shadow 0.2s ease;
}
.sticky-search.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}
.search-box {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: var(--glow-primary);
}
.search-input-wrap {
    display: flex; align-items: center;
    padding: 0 14px;
    height: 48px;
}
.search-icon { color: var(--text-muted); font-size: 0.9rem; margin-right: 10px; display: flex; }
.search-input {
    flex: 1;
    border: none;
    background: none;
    font-size: 0.9rem;
    color: var(--text);
    outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-actions { display: flex; gap: 4px; }
.search-btn {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: var(--transition);
}
.search-btn:hover { background: var(--bg-surface); color: var(--primary); }
.search-btn.recording { color: var(--red); animation: recordPulse 1s infinite; }
@keyframes recordPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* =================== RESULTS =================== */
.results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.78rem;
    color: var(--text-muted);
}
.results-count { font-weight: 500; }
.sort-btn {
    display: flex; align-items: center; gap: 4px;
    padding: 6px 12px;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}
.sort-btn:hover { background: var(--primary-bg); color: var(--primary); }

/* =================== PAIRS GRID =================== */
.pairs-grid {
    display: grid;
    gap: 10px;
}

/* =================== PAIR CARD =================== */
.pair-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.pair-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transition: var(--transition);
}
.pair-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.pair-card:hover::before { opacity: 1; background: var(--gradient-primary); }
.pair-card:active { transform: translateY(0); }

.pair-card-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 10px;
}
.pair-card-id {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 3px 8px;
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.pair-card-type {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}
.pair-card-views { margin-left: auto; }

.pair-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 6px;
}

.pair-card-points {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pair-card-point {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.3;
}
.pair-card-pole {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
}
.pair-card-pole.neg { background: var(--gradient-neg); box-shadow: 0 2px 6px rgba(79,70,229,0.3); }
.pair-card-pole.pos { background: var(--gradient-pos); box-shadow: 0 2px 6px rgba(220,38,38,0.3); }

/* Type colors */
.type-virus { background: var(--red-bg); color: var(--red); }
.type-bacteria { background: var(--purple-bg); color: var(--purple); }
.type-parasito { background: var(--amber-bg); color: var(--amber); }
.type-hongo { background: var(--green-bg); color: var(--green); }
.type-especial { background: var(--pink-bg); color: var(--pink); }
.type-emocional { background: var(--blue-bg); color: var(--blue); }
.type-disfuncion { background: var(--teal-bg); color: var(--teal); }
.type-reservorio { background: rgba(249,115,22,0.1); color: #F97316; }
.type-dolor { background: rgba(59,130,246,0.1); color: #3B82F6; }

/* =================== BOTTOM NAV =================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-h);
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    display: flex;
    z-index: 100;
    padding-bottom: env(safe-area-inset-bottom, 0);
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(248,250,252,0.9);
}
[data-theme="dark"] .bottom-nav { background: rgba(15,23,42,0.9); }

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.62rem;
    font-weight: 500;
    transition: var(--transition);
    padding-top: 4px;
    position: relative;
}
.nav-item i { font-size: 1.15rem; transition: var(--transition); }
.nav-item.active { color: var(--primary); font-weight: 600; }
.nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 0 0 4px 4px;
}
.nav-item.active i { transform: scale(1.1); }

/* =================== PAGINATION =================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 20px 0;
}
.page-btn {
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.page-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}
.page-btn:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

/* =================== DETAIL OVERLAY =================== */
.detail-overlay {
    position: fixed; inset: 0;
    z-index: 200;
    display: none;
    background: var(--bg);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.detail-overlay.active { display: block; animation: slideUp 0.3s ease; }

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

.detail-close-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
}
.detail-close-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
}
.detail-close-btn:hover { background: var(--primary-bg); color: var(--primary); }

.detail-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 20px 16px 40px;
}

/* Detail Header */
.detail-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.detail-pair-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}
.detail-tag {
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Detail Info Blocks */
.detail-info-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
}
.detail-info-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.detail-info-label i { font-size: 0.75rem; color: var(--primary); }
.detail-info-value { font-size: 0.9rem; color: var(--text); line-height: 1.5; }

/* =================== BODY DIAGRAM =================== */
.body-diagram-wrapper {
    margin: 16px 0;
}
.body-diagram-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--primary-bg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary);
}
.body-diagram-title i { color: var(--primary); }

.body-views-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.body-view-single { display: flex; flex-direction: column; }
.body-view-label {
    text-align: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}
.body-view-label i { color: var(--primary); font-size: 0.85rem; }

.body-image-container {
    position: relative;
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}
[data-theme="dark"] .body-image-container { background: #1a1a2e; }
.body-image-container:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md), var(--glow-primary);
    transform: scale(1.01);
}
.body-image-container img {
    width: 100%;
    max-height: 450px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.click-hint {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.65);
    color: white;
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    backdrop-filter: blur(10px);
    pointer-events: none;
    opacity: 0.8;
    transition: var(--transition);
}
.body-image-container:hover .click-hint { opacity: 1; }

/* =================== MAGNET MARKERS =================== */
.magnet-marker {
    position: absolute;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    font-weight: 900;
    color: white;
    transform: translate(-50%, -50%);
    z-index: 10;
    cursor: pointer;
    transition: transform 0.2s ease;
    letter-spacing: 0;
}
.magnet-marker:hover { transform: translate(-50%, -50%) scale(1.3); z-index: 20; }

.magnet-marker-neg {
    background: var(--gradient-neg);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.2), 0 2px 8px rgba(79,70,229,0.4);
    animation: magnetGlowNeg 2.5s ease-in-out infinite;
}
.magnet-marker-pos {
    background: var(--gradient-pos);
    box-shadow: 0 0 0 3px rgba(220,38,38,0.2), 0 2px 8px rgba(220,38,38,0.4);
    animation: magnetGlowPos 2.5s ease-in-out infinite;
}

@keyframes magnetGlowNeg {
    0%, 100% { box-shadow: 0 0 0 3px rgba(79,70,229,0.2), 0 2px 8px rgba(79,70,229,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(79,70,229,0.15), 0 2px 12px rgba(79,70,229,0.5), 0 0 20px rgba(79,70,229,0.2); }
}
@keyframes magnetGlowPos {
    0%, 100% { box-shadow: 0 0 0 3px rgba(220,38,38,0.2), 0 2px 8px rgba(220,38,38,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(220,38,38,0.15), 0 2px 12px rgba(220,38,38,0.5), 0 0 20px rgba(220,38,38,0.2); }
}

.magnet-label {
    position: absolute;
    white-space: nowrap;
    font-size: 0.62rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    pointer-events: none;
    z-index: 15;
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.01em;
}
.magnet-label-neg { background: #4F46E5; color: white; }
.magnet-label-pos { background: #DC2626; color: white; }

/* =================== PLACEMENT CARD =================== */
.placement-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 12px;
    box-shadow: var(--shadow-sm);
}
.placement-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}
.placement-divider {
    display: flex;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 2px 0;
    opacity: 0.5;
}
.placement-polarity {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.75rem;
    color: white;
    flex-shrink: 0;
    gap: 2px;
}
.placement-polarity i { font-size: 0.55rem; }
.placement-polarity.neg { background: var(--gradient-neg); box-shadow: 0 2px 8px rgba(79,70,229,0.3); }
.placement-polarity.pos { background: var(--gradient-pos); box-shadow: 0 2px 8px rgba(220,38,38,0.3); }
.placement-text { flex: 1; min-width: 0; }
.placement-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}
.placement-pole {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 4px;
}
.placement-location {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 4px;
}
.placement-location i { font-size: 0.65rem; color: var(--text-muted); }

/* =================== ZOOM MODAL =================== */
.zoom-modal {
    position: fixed; inset: 0;
    z-index: 500;
    display: none;
}
.zoom-modal.active { display: flex; flex-direction: column; animation: zoomIn 0.25s ease; }
@keyframes zoomIn { from { opacity: 0; } to { opacity: 1; } }

.zoom-modal-bg {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.88);
    backdrop-filter: blur(8px);
}
.zoom-modal-content {
    position: relative; z-index: 2;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}
.zoom-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 20;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.zoom-close-btn:hover { background: rgba(255,255,255,0.25); transform: scale(1.05); }

.zoom-image-container {
    flex: 1;
    overflow: auto;
    position: relative;
    -webkit-overflow-scrolling: touch;
}
.zoom-image-container img {
    width: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
    transform-origin: center center;
}

.zoom-magnets { position: absolute; inset: 0; pointer-events: none; }

.zoom-magnet {
    position: absolute;
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.75rem;
    color: white;
    transform: translate(-50%, -50%);
    z-index: 5;
    pointer-events: auto;
    cursor: help;
}
.zoom-magnet-neg {
    background: var(--gradient-neg);
    box-shadow: 0 0 0 4px rgba(79,70,229,0.25), 0 0 24px rgba(79,70,229,0.4);
    animation: magnetGlowNeg 2.5s ease-in-out infinite;
}
.zoom-magnet-pos {
    background: var(--gradient-pos);
    box-shadow: 0 0 0 4px rgba(220,38,38,0.25), 0 0 24px rgba(220,38,38,0.4);
    animation: magnetGlowPos 2.5s ease-in-out infinite;
}

.zoom-magnet-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.85);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    pointer-events: none;
}

.zoom-info {
    background: rgba(15,23,42,0.95);
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(20px);
    max-height: 200px;
    overflow-y: auto;
}
.zoom-info-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.zoom-info-title i { color: var(--primary-light); }

.zoom-info-point {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.zoom-info-point:last-child { border-bottom: none; }
.zoom-point-badge {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
    gap: 2px;
}
.zoom-point-badge i { font-size: 0.5rem; }
.zoom-point-badge.neg { background: var(--gradient-neg); }
.zoom-point-badge.pos { background: var(--gradient-pos); }
.zoom-point-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
}
.zoom-point-location {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.5);
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 4px;
}
.zoom-point-location i { font-size: 0.6rem; }

/* =================== GUIDE & INFO CARDS =================== */
.guide-hero {
    text-align: center;
    padding: 28px 16px;
    margin-bottom: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}
.guide-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}
.guide-hero h2 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.guide-hero p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

.info-card, .guide-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 12px;
    transition: var(--transition);
}
.info-card:hover, .guide-card:hover {
    box-shadow: var(--shadow);
}
.info-card h3, .guide-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.info-icon {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.guide-num {
    width: 30px; height: 30px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white;
    font-size: 0.8rem;
    font-weight: 800;
    flex-shrink: 0;
}

.guide-list {
    list-style: none;
    padding: 0;
}
.guide-list li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    border-bottom: 1px solid var(--border-light);
}
.guide-list li:last-child { border-bottom: none; }
.guide-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.5;
}
.sources-list li::before { background: var(--amber); }

.polarity-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}
.polarity-item {
    text-align: center;
    padding: 16px;
    border-radius: var(--radius);
    background: var(--bg-surface);
    border: 1px solid var(--border);
}
.polarity-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    font-size: 1.1rem;
    font-weight: 900;
    color: white;
}
.polarity-circle.neg { background: var(--gradient-neg); box-shadow: 0 4px 12px rgba(79,70,229,0.3); }
.polarity-circle.pos { background: var(--gradient-pos); box-shadow: 0 4px 12px rgba(220,38,38,0.3); }
.polarity-label { font-weight: 700; font-size: 0.82rem; margin-bottom: 4px; }
.polarity-desc { color: var(--text-muted); font-size: 0.72rem; line-height: 1.4; }

/* =================== EMOTIONS & PROTOCOLS =================== */
.emotion-card, .protocol-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: var(--transition);
}
.emotion-card:hover, .protocol-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}
.emotion-card-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.emotion-card-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.4;
}
.emotion-card-pair {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 4px 10px;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.protocol-card-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}
.protocol-card-pairs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.protocol-card-pair-chip {
    padding: 3px 8px;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* =================== PAIR TYPE INFO =================== */
.pair-type-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}
.pair-type-row:last-child { border-bottom: none; }
.pair-type-icon {
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}
.pair-type-name { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.pair-type-desc { font-size: 0.72rem; color: var(--text-muted); }

/* =================== SIDEBAR NAVIGATION =================== */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar-nav {
    position: fixed;
    top: 0;
    left: -320px;
    width: 310px;
    max-width: 85vw;
    height: 100vh;
    background: var(--bg-card);
    z-index: 250;
    transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.sidebar-nav.active {
    left: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--bg-card);
    position: sticky;
    top: 0;
    z-index: 5;
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--text);
}
.sidebar-close-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-surface);
}
.sidebar-close-btn:hover {
    background: var(--red-bg);
    color: var(--red);
}

.sidebar-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
}
.sidebar-section-title {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-section-title i {
    font-size: 0.7rem;
    color: var(--primary);
}

.sidebar-disease-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.sidebar-disease-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 12px;
    background: var(--bg-surface);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.74rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-disease-btn:hover, .sidebar-disease-btn:active {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}
.sidebar-disease-btn i {
    font-size: 0.7rem;
    flex-shrink: 0;
}

.sidebar-filter-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sidebar-filter-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
}
.sidebar-filter-btn:hover {
    background: var(--bg-surface);
    color: var(--text);
}
.sidebar-filter-btn.active {
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: 700;
    border-color: var(--primary);
}
.sidebar-filter-btn i {
    width: 20px;
    text-align: center;
    font-size: 0.82rem;
}

.sidebar-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.sidebar-stat {
    text-align: center;
    padding: 12px 8px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}
.sidebar-stat-num {
    font-size: 1.3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}
.sidebar-stat-label {
    font-size: 0.62rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
    margin-top: 3px;
}

.sidebar-footer {
    padding: 20px;
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: auto;
    flex-shrink: 0;
}

/* =================== ACTIVE FILTER BAR =================== */
.active-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    margin-top: 8px;
    background: var(--primary-bg);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    animation: slideDown 0.2s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}
.active-filter-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.active-filter-label i {
    font-size: 0.7rem;
}
.active-filter-clear {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99,102,241,0.15);
    color: var(--primary);
    font-size: 0.7rem;
    transition: var(--transition);
    cursor: pointer;
}
.active-filter-clear:hover {
    background: var(--primary);
    color: white;
}

/* =================== EMOTION CARD WITH DIAGRAM =================== */
/* =================== PROTOCOL WITH DIAGRAM =================== */
.protocol-diagram-wrap {
    margin-top: 10px;
    padding: 10px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}
.protocol-diagram-body {
    position: relative;
    max-width: 200px;
    margin: 0 auto 10px;
}
.protocol-diagram-body img {
    width: 100%;
    border-radius: var(--radius-sm);
}

/* =================== SIDEBAR NAVIGATION LINKS =================== */
.sidebar-nav-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    width: 100%;
}
.sidebar-nav-link:hover {
    background: var(--bg-surface);
    color: var(--text);
}
.sidebar-nav-link.active {
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: 600;
}
.sidebar-nav-link i {
    width: 20px;
    text-align: center;
    font-size: 0.8rem;
}

/* =================== EMOTION CARD IMPROVED =================== */
.emotion-card-header, .protocol-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    cursor: pointer;
}
.emotion-expand-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-surface);
    color: var(--text-muted);
    font-size: 0.7rem;
    transition: var(--transition);
}
.emotion-card.expanded .emotion-expand-icon,
.protocol-card.expanded .emotion-expand-icon {
    background: var(--primary-bg);
    color: var(--primary);
    transform: rotate(180deg);
}

/* =================== EMOTION/PROTOCOL DIAGRAM GRID =================== */
.emotion-diagram-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 12px;
    margin-bottom: 10px;
}
.emotion-diagram-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.emotion-diagram-view-label {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-align: center;
}

/* Clickable diagram with hover/zoom hint */
.clickable-diagram {
    cursor: pointer;
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
    border: 2px solid transparent;
}
.clickable-diagram:hover {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15), var(--shadow);
    transform: scale(1.02);
}
.clickable-diagram:active {
    transform: scale(0.98);
}
.diagram-zoom-hint {
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    background: rgba(0,0,0,0.6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}
.clickable-diagram:hover .diagram-zoom-hint {
    opacity: 1;
}
/* On mobile always show the zoom hint */
@media (max-width: 768px) {
    .diagram-zoom-hint {
        opacity: 0.7;
    }
}

/* Improved emotion diagram body */
.emotion-diagram-body {
    position: relative;
    width: 130px;
    flex-shrink: 0;
}
.emotion-diagram-body img {
    width: 100%;
    border-radius: var(--radius-sm);
}
.emotion-mini-magnet {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.42rem;
    color: white;
    transform: translate(-50%, -50%);
    z-index: 5;
    line-height: 1;
}
.emotion-mini-magnet.neg {
    background: var(--gradient-neg);
    box-shadow: 0 0 0 2px rgba(79,70,229,0.3);
}
.emotion-mini-magnet.pos {
    background: var(--gradient-pos);
    box-shadow: 0 0 0 2px rgba(220,38,38,0.3);
}

.emotion-pairs-detail {
    flex: 1;
}
.emotion-pair-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    font-size: 0.74rem;
    color: var(--text-secondary);
}
.emotion-pair-pole {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.52rem;
    color: white;
    flex-shrink: 0;
}
.emotion-pair-pole.neg {
    background: var(--gradient-neg);
}
.emotion-pair-pole.pos {
    background: var(--gradient-pos);
}

/* =================== PROTOCOL IMPROVED =================== */
.protocol-card .protocol-card-pairs {
    margin-top: 4px;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 480px) {
    .splash-title { font-size: 2rem; }
    .splash-title span { font-size: 1.2rem; }
    .splash-magnet { width: 60px; height: 60px; font-size: 1.4rem; border-radius: 14px; }
    .splash-energy { width: 45px; }
    .stat-num { font-size: 1.5rem; }
    .body-views-container { grid-template-columns: 1fr; }
    .tabs { gap: 2px; }
    .tab { font-size: 0.72rem; padding: 8px 4px; }
    .tab i { font-size: 0.75rem; }
}

@media (min-width: 768px) {
    .pairs-grid { grid-template-columns: repeat(2, 1fr); }
    .body-views-container { grid-template-columns: repeat(2, 1fr); }
}

/* =================== UTILITY CLASSES =================== */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }

/* =================== LOADING STATE =================== */
.loading-skeleton {
    background: linear-gradient(90deg, var(--bg-surface) 25%, var(--border-light) 50%, var(--bg-surface) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* =================== EMPTY STATE =================== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
}
.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.4;
}
.empty-state-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}
.empty-state-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    max-width: 300px;
    margin: 0 auto;
}

/* =================== PRINT =================== */
@media print {
    .header, .bottom-nav, .splash, .detail-close-bar { display: none !important; }
    .main { padding: 0; }
    .pair-card { break-inside: avoid; }
}