/* ═══════════════════════════════════════════════════
   VuzTime — AI-First Design System
   Dark glassmorphism · Orange accent · Unbounded + Golos Text
   ═══════════════════════════════════════════════════ */

:root {
    --bg-deep: #07090F;
    --bg-primary: #0B0E17;
    --bg-surface: #12162A;
    --bg-card: rgba(18, 22, 42, 0.75);
    --bg-card-hover: rgba(24, 30, 56, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);

    --text-primary: #EEEAE4;
    --text-secondary: #8A8F9E;
    --text-muted: #565B6B;

    --accent: #FF6B35;
    --accent-light: #FF8F5C;
    --accent-glow: rgba(255, 107, 53, 0.25);
    --accent-teal: #2DD4BF;
    --accent-lavender: #A78BFA;

    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);

    --radius-xl: 20px;
    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 6px;

    --font-display: 'Unbounded', sans-serif;
    --font-body: 'Golos Text', sans-serif;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255, 107, 53, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(45, 212, 191, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ═══════════════════════════════
   TOP BAR
   ═══════════════════════════════ */

.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(7, 9, 15, 0.85);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    flex-shrink: 0;
}

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.02em;
}

.logo-accent { color: var(--accent); }

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

/* Language Selector */
.lang-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 4px;
    display: none;
    flex-direction: column;
    min-width: 64px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    z-index: 200;
}

.lang-dropdown.open { display: flex; }

.lang-option {
    padding: 6px 12px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    text-align: center;
}

.lang-option:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }
.lang-option.active { color: var(--accent); background: rgba(255,107,53,0.08); }

/* Profile Trigger */
.profile-trigger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.avatar-sm {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: white;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.profile-trigger:hover .avatar-sm {
    transform: scale(1.08);
    box-shadow: 0 0 0 3px rgba(255,107,53,0.2);
}

/* ═══════════════════════════════
   HERO
   ═══════════════════════════════ */

.hero {
    position: relative;
    padding: 64px 32px 40px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
}

.hero-orb--1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(255,107,53,0.12) 0%, transparent 70%);
    top: -250px; left: -100px;
    animation: orbFloat1 14s ease-in-out infinite;
}

.hero-orb--2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,107,53,0.06) 0%, transparent 70%);
    top: -150px; right: -100px;
    animation: orbFloat2 18s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0,0) scale(1); }
    33% { transform: translate(60px,30px) scale(1.1); }
    66% { transform: translate(-30px,50px) scale(0.95); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0,0) scale(1); }
    50% { transform: translate(-40px,30px) scale(1.1); }
}

.hero-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
    animation: fadeUp 0.7s var(--ease-out-expo) both;
}

.hero-highlight {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 50%, #FFD4B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(15px, 1.8vw, 18px);
    color: var(--text-secondary);
    margin-bottom: 32px;
    animation: fadeUp 0.7s var(--ease-out-expo) 0.08s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    animation: fadeUp 0.7s var(--ease-out-expo) 0.16s both;
}

.stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.stat-number { font-family: var(--font-display); font-size: 26px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-divider { width: 1px; height: 32px; background: var(--border); }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════
   AI SECTION (compact inline)
   ═══════════════════════════════ */

.ai-section {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 32px 48px;
    animation: fadeUp 0.7s var(--ease-out-expo) 0.24s both;
}

.ai-intro {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    justify-content: center;
}

.ai-icon-wrap {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 0 20px var(--accent-glow);
    animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50% { box-shadow: 0 0 30px rgba(255,107,53,0.35); }
}

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

.ai-input-bar {
    display: flex;
    gap: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 6px 6px 6px 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.ai-input-bar:focus-within {
    border-color: var(--accent);
    box-shadow: 0 4px 24px rgba(0,0,0,0.2), 0 0 0 3px rgba(255,107,53,0.1);
}

.ai-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    outline: none;
    padding: 10px 0;
}

.ai-input::placeholder { color: var(--text-muted); }

.ai-send {
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.ai-send:hover { transform: scale(1.05); }

.ai-chips {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.ai-chip {
    padding: 7px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 99px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.ai-chip:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(255,107,53,0.06);
}

/* ═══════════════════════════════
   FILTERS
   ═══════════════════════════════ */

.events-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px 80px;
    position: relative;
    z-index: 1;
}

.filters {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-select {
    padding: 9px 34px 9px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 13px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238A8F9E' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: all 0.2s ease;
}

.filter-select:hover { border-color: var(--border-hover); }
.filter-select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,107,53,0.1); }
.filter-select option { background: var(--bg-surface); color: var(--text-primary); }

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

/* ═══════════════════════════════
   EVENT CARDS
   ═══════════════════════════════ */

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 18px;
}

.event-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 24px;
    cursor: pointer;
    transition: all 0.35s var(--ease-out-expo);
    overflow: hidden;
    animation: cardEnter 0.5s var(--ease-out-expo) both;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--card-accent);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.event-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    background: radial-gradient(
        ellipse 300px 200px at var(--mouse-x, 50%) var(--mouse-y, 0%),
        rgba(255,255,255,0.03) 0%, transparent 70%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.event-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    box-shadow: 0 16px 48px -12px rgba(0,0,0,0.5), 0 0 30px -15px var(--card-accent);
}

.event-card:hover::before { opacity: 1; }
.event-card:hover::after { opacity: 1; }

.event-card.registered { border-color: rgba(45,212,191,0.2); }
.event-card.registered::before { background: var(--accent-teal); }

@keyframes cardEnter {
    from { opacity: 0; transform: translateY(16px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 14px;
}

.card-emoji { font-size: 32px; line-height: 1; }

.card-badges { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; }

.card-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 99px;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.card-badge--uni {
    background: rgba(255,255,255,0.06);
    color: var(--card-accent);
    border: 1px solid rgba(255,255,255,0.06);
}

.card-badge--type { background: rgba(255,255,255,0.04); color: var(--text-secondary); }

.card-badge--country {
    background: rgba(255,255,255,0.04);
    color: var(--text-muted);
    font-size: 10px;
}

.card-badge--registered {
    background: rgba(45,212,191,0.12);
    color: var(--accent-teal);
    border: 1px solid rgba(45,212,191,0.2);
}

.card-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.card-uni-name { font-size: 12px; color: var(--text-muted); margin-bottom: 14px; }

.card-meta { display: flex; gap: 14px; flex-wrap: wrap; }

.card-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--text-secondary);
}

.meta-icon { font-size: 13px; opacity: 0.7; }

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.card-audience { font-size: 11px; color: var(--text-muted); font-weight: 500; }

.card-action {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s ease;
}

.event-card:hover .card-action { gap: 7px; }
.card-action--registered { color: var(--accent-teal); }

/* ═══════════════════════════════
   FULLSCREEN CHAT
   ═══════════════════════════════ */

.chat-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 300;
    background: var(--bg-deep);
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.45s var(--ease-out-expo);
}

.chat-fullscreen.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.chat-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    border-bottom: 1px solid var(--border);
    background: rgba(7,9,15,0.9);
    backdrop-filter: blur(20px);
    flex-shrink: 0;
}

.chat-back {
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 14px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.chat-back:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }

.chat-topbar-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--accent-teal);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.chat-topbar-title h3 {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.chat-msg {
    display: flex;
    gap: 10px;
    max-width: 85%;
    animation: msgSlide 0.3s var(--ease-out-expo) both;
}

@keyframes msgSlide {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-msg--bot { align-self: flex-start; }
.chat-msg--user { align-self: flex-end; flex-direction: row-reverse; }

.chat-msg-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: white;
    flex-shrink: 0;
}

.chat-msg--user .chat-msg-avatar {
    background: linear-gradient(135deg, var(--accent-lavender), #C4B5FD);
}

.chat-msg-body {
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    font-size: 14px;
    line-height: 1.65;
}

.chat-msg--bot .chat-msg-body {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

/* Markdown in chat */
.chat-msg--bot .chat-msg-body p { margin: 0 0 8px; }
.chat-msg--bot .chat-msg-body p:last-child { margin-bottom: 0; }
.chat-msg--bot .chat-msg-body strong { color: var(--text-primary); font-weight: 600; }
.chat-msg--bot .chat-msg-body em { color: var(--text-secondary); }
.chat-msg--bot .chat-msg-body ul,
.chat-msg--bot .chat-msg-body ol { margin: 6px 0; padding-left: 20px; }
.chat-msg--bot .chat-msg-body li { margin-bottom: 4px; }
.chat-msg--bot .chat-msg-body code {
    background: rgba(255,255,255,0.06);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 13px;
    font-family: monospace;
}
.chat-msg--bot .chat-msg-body pre {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    overflow-x: auto;
    margin: 8px 0;
}
.chat-msg--bot .chat-msg-body pre code {
    background: none;
    padding: 0;
}
.chat-msg--bot .chat-msg-body a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.chat-msg--bot .chat-msg-body h1,
.chat-msg--bot .chat-msg-body h2,
.chat-msg--bot .chat-msg-body h3 {
    font-family: var(--font-display);
    margin: 10px 0 6px;
    font-size: 15px;
    font-weight: 600;
}
.chat-msg--bot .chat-msg-body blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 12px;
    margin: 8px 0;
    color: var(--text-secondary);
}

.chat-msg--user .chat-msg-body {
    background: rgba(255,107,53,0.12);
    border: 1px solid rgba(255,107,53,0.18);
    color: var(--text-primary);
}

/* Typing indicator */
.chat-msg--typing .chat-msg-body {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 14px 20px;
}

.typing-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: typingBounce 1.4s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* Event recommendation cards in chat */
.chat-event-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
    max-width: 400px;
}

.chat-event-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    transition: all 0.25s ease;
    cursor: pointer;
}

.chat-event-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}

.chat-event-card-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.chat-event-card-emoji { font-size: 24px; }

.chat-event-card-info { flex: 1; }

.chat-event-card-title {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 2px;
}

.chat-event-card-uni {
    font-size: 11px;
    color: var(--text-muted);
}

.chat-event-card-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 12px;
    color: var(--text-secondary);
}

.chat-event-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chat-event-card-btn:hover { transform: scale(1.03); }

.chat-event-card-btn--registered {
    background: rgba(45,212,191,0.15);
    color: var(--accent-teal);
}

/* Chat input area */
.chat-input-area {
    border-top: 1px solid var(--border);
    padding: 16px 24px;
    background: rgba(7,9,15,0.9);
    backdrop-filter: blur(20px);
    flex-shrink: 0;
}

.chat-form {
    display: flex;
    gap: 8px;
    max-width: 800px;
    margin: 0 auto;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    transition: all 0.2s ease;
}

.chat-input::placeholder { color: var(--text-muted); }
.chat-input:focus { outline: none; border-color: var(--accent); }

.chat-send-btn {
    width: 44px; height: 44px;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.chat-send-btn:hover { transform: scale(1.05); }

/* ═══════════════════════════════
   PROFILE PANEL
   ═══════════════════════════════ */

.profile-overlay {
    position: fixed;
    inset: 0;
    z-index: 250;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.profile-overlay.open {
    opacity: 1;
    visibility: visible;
}

.profile-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 380px;
    max-width: 100vw;
    height: 100%;
    background: var(--bg-primary);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease-out-expo);
    overflow-y: auto;
}

.profile-overlay.open .profile-panel {
    transform: translateX(0);
}

.profile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.profile-header h2 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
}

.profile-close {
    width: 32px; height: 32px;
    border: none;
    background: var(--bg-glass);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.profile-close:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }

.profile-user-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 24px 20px;
    gap: 8px;
}

.avatar-lg {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.profile-user-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
}

.profile-user-email {
    font-size: 13px;
    color: var(--text-muted);
}

.profile-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

.profile-tab {
    flex: 1;
    padding: 12px 0;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.profile-tab:hover { color: var(--text-primary); }
.profile-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.profile-content {
    padding: 20px 24px;
    flex: 1;
}

/* Profile events list */
.profile-events-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.profile-event-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.profile-event-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.profile-event-emoji { font-size: 24px; }

.profile-event-info { flex: 1; min-width: 0; }

.profile-event-title {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-event-date {
    font-size: 12px;
    color: var(--text-muted);
}

.profile-event-cancel {
    width: 28px; height: 28px;
    border: none;
    background: rgba(239,68,68,0.1);
    color: #F87171;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.profile-event-cancel:hover { background: rgba(239,68,68,0.2); }

.profile-empty {
    text-align: center;
    padding: 40px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.profile-empty p { margin-bottom: 16px; }

/* Settings form */
.settings-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.settings-saved {
    text-align: center;
    color: var(--accent-teal);
    font-size: 14px;
    font-weight: 600;
    animation: fadeUp 0.3s ease both;
}

/* ═══════════════════════════════
   MODAL
   ═══════════════════════════════ */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 350;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.open { opacity: 1; visibility: visible; }

.modal {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px) scale(0.96);
    transition: transform 0.35s var(--ease-out-expo);
}

.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-close {
    position: absolute;
    top: 14px; right: 14px;
    width: 34px; height: 34px;
    border: none;
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-size: 20px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }

.modal-header { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.modal-emoji { font-size: 38px; line-height: 1; flex-shrink: 0; }
.modal-uni { font-size: 12px; font-weight: 600; color: var(--accent); margin-bottom: 4px; }
.modal-title { font-family: var(--font-display); font-size: 20px; font-weight: 700; line-height: 1.3; letter-spacing: -0.02em; }

.modal-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
    padding: 14px;
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.modal-detail { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-secondary); }
.detail-icon { font-size: 15px; width: 22px; text-align: center; flex-shrink: 0; }
.modal-description { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 24px; }

/* ═══════════════════════════════
   FORM ELEMENTS
   ═══════════════════════════════ */

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

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    padding: 11px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-group input::placeholder { color: var(--text-muted); }

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238A8F9E' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 34px;
    cursor: pointer;
}

.form-group select option { background: var(--bg-surface); }

.reg-form { display: flex; flex-direction: column; gap: 16px; }

.reg-success {
    text-align: center;
    padding: 16px 0;
}

.success-icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-teal), #34D399);
    color: white;
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    animation: successPop 0.5s var(--ease-spring) both;
}

@keyframes successPop {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.reg-success h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.reg-success p { color: var(--text-secondary); margin-bottom: 20px; }

/* ═══════════════════════════════
   BUTTONS
   ═══════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s var(--ease-out-expo);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(255,107,53,0.35); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--border-hover); background: rgba(255,255,255,0.06); }

.btn-danger {
    background: rgba(239,68,68,0.1);
    color: #F87171;
    border: 1px solid rgba(239,68,68,0.15);
}

.btn-danger:hover { background: rgba(239,68,68,0.18); }

.btn-full { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ═══════════════════════════════
   EMPTY STATE
   ═══════════════════════════════ */

.empty-state { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 40px; margin-bottom: 14px; }
.empty-state h3 { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.empty-state p { color: var(--text-secondary); margin-bottom: 20px; }

/* ═══════════════════════════════
   RESPONSIVE
   ═══════════════════════════════ */

@media (max-width: 768px) {
    .topbar-inner { padding: 0 16px; }
    .hero { padding: 40px 16px 28px; }
    .hero-stats { gap: 16px; }
    .stat-number { font-size: 20px; }
    .ai-section { padding: 0 16px 36px; }
    .events-section { padding: 0 16px 60px; }
    .filter-group { width: 100%; }
    .filter-select { flex: 1; min-width: 0; font-size: 12px; }
    .events-grid { grid-template-columns: 1fr; }
    .chat-messages { padding: 16px; }
    .chat-input-area { padding: 12px 16px; }
    .modal { padding: 24px; }
    .profile-panel { width: 100%; }
    .ai-chips { gap: 6px; }
    .ai-chip { font-size: 12px; padding: 6px 12px; }
}

@media (max-width: 480px) {
    .logo-text { display: none; }
    .hero-title { font-size: 24px; }
    .hero-subtitle { font-size: 14px; }
    .filter-group { flex-direction: column; }
}