:root {
    --primary: #4A90E2;
    --primary-light: #EBF4FC;
    --primary-dark: #3A73B5;
    --secondary: #A8E6CF;
    --accent: #FFD166;
    --danger: #EF476F;
    --success: #06D6A0;
    --text-main: #2C3E50;
    --text-muted: #64748B;
    --bg-main: #F8FAFC;
    --bg-white: #FFFFFF;
    --border: #E2E8F0;
    --radius: 12px;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body { background-color: var(--bg-main); color: var(--text-main); font-size: 16px; line-height: 1.6; }

/* Controller Settings (Hidden by default for real app look, toggle with Ctrl+Alt+D) */
#demo-controller {
    display: none;
    position: fixed; bottom: 20px; left: 20px; z-index: 10000;
    background: #fff; padding: 15px 20px; border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.15); border: 1px solid var(--border);
    transition: 0.3s;
}
#demo-controller.hidden { display: none; }
#demo-controller h4 { margin-bottom: 15px; font-size: 14px; color: var(--text-main); }
#demo-controller select { width: 100%; margin-bottom: 10px; padding: 8px; border-radius: 6px; border: 1px solid var(--border); font-size: 14px; }
#demo-controller button { width: 100%; padding: 8px; background: var(--text-main); color: #fff; border: none; border-radius: 6px; cursor: pointer; }
.show-bt-fixed { position: fixed; bottom: 10px; right: 10px; z-index: 9999; padding: 10px 15px; background: var(--primary); color: white; border-radius: 30px; border: none; font-size: 12px; cursor: pointer; display: none; box-shadow: var(--shadow); }

/* Screen Management */
.screen { display: none; width: 100vw; min-height: 100vh; animation: fadeIn 0.4s ease; flex-direction: column; }
.screen.active { display: flex; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

/* Reusable Components */
.container { max-width: 1200px; margin: 0 auto; width: 100%; padding: 0 20px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: var(--radius); font-weight: 600; cursor: pointer; transition: 0.2s; border: none; gap: 10px; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-secondary { background: var(--secondary); color: var(--text-main); }
.btn-secondary:hover { filter: brightness(0.95); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-danger { background: var(--danger); color: white; }

/* Navbar */
.navbar { background: var(--bg-white); padding: 15px 40px; display: flex; justify-content: space-between; align-items: center; box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; }
.navbar .logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--primary); }
.navbar .logo i { font-size: 24px; color: var(--secondary); }
.navbar nav { display: flex; align-items: center; gap: 30px; }
.navbar nav a { text-decoration: none; color: var(--text-muted); font-weight: 500; transition: 0.2s; }
.navbar nav a.active, .navbar nav a:hover { color: var(--primary); }

/* Layouts */
.center-content { display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 1; text-align: center; padding: 60px 20px; }
.section-title { font-size: 32px; font-weight: 700; margin-bottom: 20px; color: var(--text-main); }
.section-subtitle { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; }

/* Màn 1: Trang chủ */
.hero { display: flex; max-width: 1200px; margin: 0 auto; padding: 80px 20px; align-items: center; gap: 60px; min-height: calc(100vh - 70px); }
.hero-content { flex: 1; }
.hero-content h1 { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 20px; color: var(--primary-dark); }
.hero-content p { font-size: 18px; color: var(--text-muted); margin-bottom: 40px; line-height: 1.6; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 15px; }
.hero-image { flex: 1; display: flex; justify-content: center; position: relative; }
.mock-illustration { width: 400px; height: 400px; position: relative; }
.mock-circle { width: 300px; height: 300px; background: linear-gradient(135deg, var(--primary-light), var(--secondary)); border-radius: 50%; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); opacity: 0.7; }
.mock-card { width: 200px; padding: 20px; background: white; border-radius: var(--radius); box-shadow: var(--shadow); position: absolute; top: 20%; left: -10%; text-align: center; z-index: 2; }
.mock-card i { font-size: 40px; color: var(--primary); margin-bottom: 10px; }
.mock-card-2 { width: 180px; padding: 15px; background: white; border-radius: var(--radius); box-shadow: var(--shadow); position: absolute; bottom: 20%; right: -5%; text-align: center; z-index: 2; }
.mock-card-2 i { font-size: 30px; color: var(--accent); margin-bottom: 10px; }

/* Màn 2: Giới thiệu */
.diagram-container { display: flex; justify-content: center; align-items: center; gap: 20px; margin-bottom: 60px; }
.diagram-node { width: 120px; height: 120px; background: white; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: var(--shadow); border: 2px solid var(--primary-light); color: var(--primary-dark); font-weight: 600; }
.diagram-node i { font-size: 32px; margin-bottom: 8px; color: var(--primary); }
.diagram-node.center { border-color: var(--secondary); background: var(--secondary); color: #fff; transform: scale(1.1); }
.diagram-node.center i { color: #fff; }
.diagram-arrow { color: var(--border); font-size: 24px; }
.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1000px; margin: 0 auto; }
.benefit-card { background: white; padding: 25px; border-radius: var(--radius); box-shadow: var(--shadow-sm); text-align: center; transition: 0.3s; }
.benefit-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.benefit-card i { font-size: 36px; color: var(--primary); margin-bottom: 15px; }
.benefit-card h4 { font-size: 18px; margin-bottom: 10px; }
.benefit-card p { font-size: 14px; color: var(--text-muted); }

/* Màn 3: Chọn Mode */
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 900px; margin: 0 auto; width: 100%; }
.mode-card { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 50px 30px; background: white; border-radius: 20px; box-shadow: var(--shadow); cursor: pointer; transition: 0.3s; border: 2px solid transparent; }
.mode-card:hover { border-color: var(--primary); transform: translateY(-5px); }
.mode-icon { width: 100px; height: 100px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--primary-light); color: var(--primary); font-size: 40px; margin-bottom: 25px; }
.mode-card:nth-child(2) .mode-icon { background: #E8F5E9; color: var(--success); }
.mode-card h3 { font-size: 24px; margin-bottom: 15px; }
.mode-card p { color: var(--text-muted); margin-bottom: 25px; }

/* Chat UI Container */
.chat-container { flex: 1; display: flex; flex-direction: column; background: var(--bg-main); }
.chat-header { background: white; padding: 20px 40px; display: flex; align-items: center; gap: 15px; box-shadow: var(--shadow-sm); z-index: 10; }
.chat-header .chat-avatar { width: 50px; height: 50px; background: var(--primary-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--primary); }
.chat-header.ai .chat-avatar { background: #E8F5E9; color: var(--success); }
.chat-header.teacher .chat-avatar { background: #FFF3E0; color: #F57C00; }
.chat-header-info h3 { margin: 0; font-size: 18px; line-height: 1.2; }
.chat-header-info p { margin: 5px 0 0; font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }
.chat-header-info p .status-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; }
.chat-header-badge { margin-left: auto; background: var(--primary-light); color: var(--primary-dark); padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }

/* Chat Area */
.chat-wrapper { flex: 1; display: flex; overflow: hidden; max-width: 1400px; margin: 0 auto; width: 100%; }
.chat-main { flex: 1; display: flex; flex-direction: column; }
.chat-messages { flex: 1; padding: 30px 40px; overflow-y: auto; display: flex; flex-direction: column; gap: 20px; }
.msg-group { display: flex; flex-direction: column; gap: 5px; max-width: 70%; }
.msg-group.user { align-self: flex-end; align-items: flex-end; }
.msg-group.bot { align-self: flex-start; align-items: flex-start; margin-left: 20px;}
.msg-group.bot .msg-bubble { background: white; border: 1px solid var(--border); border-radius: 4px 16px 16px 16px; color: var(--text-main); }
.msg-group.user .msg-bubble { background: var(--primary); color: white; border-radius: 16px 4px 16px 16px; font-weight: 400; }
.msg-bubble { padding: 14px 20px; box-shadow: var(--shadow-sm); line-height: 1.5; position: relative; }
.msg-name { font-size: 13px; color: var(--text-muted); margin: 0 5px; }

/* Chat Input */
.chat-input-area { background: white; padding: 20px 40px; border-top: 1px solid var(--border); }
.chat-input-box { display: flex; background: var(--bg-main); border-radius: 24px; border: 1px solid var(--border); overflow: hidden; padding: 5px; align-items: center; }
.chat-input-box input { flex: 1; border: none; background: transparent; padding: 10px 20px; font-size: 15px; outline: none; }
.chat-input-box .btn-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: transparent; border: none; color: var(--text-muted); font-size: 18px; cursor: pointer; transition: 0.2s; border-radius: 50%; }
.chat-input-box .btn-icon:hover { background: var(--border); }
.chat-input-box .btn-send { background: var(--primary); color: white; margin-left: 10px; }
.chat-input-box .btn-send:hover { background: var(--primary-dark); }

/* Chat Sidebar (For AI Analysis) */
.chat-sidebar { width: 350px; background: white; border-left: 1px solid var(--border); padding: 30px 25px; display: flex; flex-direction: column; gap: 25px; }
.sidebar-box { background: var(--bg-main); padding: 20px; border-radius: var(--radius); border: 1px solid var(--border); }
.sidebar-box h4 { margin-bottom: 15px; font-size: 15px; display: flex; align-items: center; gap: 8px; color: var(--text-main); }
.stress-level { margin-bottom: 10px; }
.stress-bar-bg { width: 100%; height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; margin-top: 8px; }
.stress-bar-fill { height: 100%; width: 60%; background: #F59E0B; border-radius: 4px; }
.stress-label { display: flex; justify-content: space-between; font-size: 13px; font-weight: 600; color: #F59E0B; margin-top: 5px; }
.action-list { display: flex; flex-direction: column; gap: 10px; }
.action-btn { background: white; border: 1px solid var(--border); padding: 12px 15px; border-radius: 8px; text-align: left; cursor: pointer; display: flex; align-items: center; gap: 10px; font-weight: 500; font-size: 14px; transition: 0.2s; }
.action-btn:hover { border-color: var(--primary); color: var(--primary); }

/* Màn 7: Privacy Shield */
.privacy-shield { background: white; padding: 60px 40px; border-radius: 20px; max-width: 600px; text-align: center; box-shadow: var(--shadow); border: 1px solid var(--border); }
.privacy-icon { font-size: 80px; color: var(--success); margin-bottom: 20px; }
.privacy-shield h2 { margin-bottom: 20px; color: var(--text-main); }
.privacy-list { text-align: left; margin: 30px 0; }
.privacy-list li { margin-bottom: 15px; display: flex; align-items: flex-start; gap: 12px; font-size: 16px; color: var(--text-muted); }
.privacy-list li i { color: var(--success); font-size: 20px; margin-top: 2px; }

/* Màn 8 & 9: Blog */
.blog-header { background: linear-gradient(135deg, var(--primary-light), var(--primary-dark)); color: white; padding: 60px 20px; text-align: center; }
.blog-header h1 { font-size: 36px; margin-bottom: 15px; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; padding: 60px 0; max-width: 1200px; margin: 0 auto; width: 100%;}
.blog-card { background: white; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: 0.3s; border: 1px solid var(--border); cursor: pointer; }
.blog-card:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0,0,0,0.1); }
.blog-thumb { height: 200px; background: #EEE; display: flex; align-items: center; justify-content: center; font-size: 50px; color: #CCC; position: relative; }
.blog-thumb.blue { background: #E1F5FE; color: #29B6F6; }
.blog-thumb.green { background: #E8F5E9; color: #66BB6A; }
.blog-thumb.yellow { background: #FFFDE7; color: #FFEE58; }
.blog-content { padding: 25px; }
.blog-tag { display: inline-block; padding: 5px 12px; background: var(--bg-main); color: var(--text-muted); border-radius: 20px; font-size: 12px; font-weight: 600; margin-bottom: 15px; }
.blog-content h3 { font-size: 20px; margin-bottom: 10px; line-height: 1.4; color: var(--text-main); }
.blog-content p { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.blog-meta { display: flex; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 15px; color: var(--text-muted); font-size: 14px; }
.blog-meta span { display: flex; align-items: center; gap: 6px; }

.article-container { max-width: 800px; margin: 40px auto; background: white; padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow); }
.article-cover { width: 100%; height: 350px; background: #E1F5FE; border-radius: var(--radius); margin-bottom: 30px; display: flex; align-items: center; justify-content: center; font-size: 80px; color: #29B6F6; }
.article-body { font-size: 18px; line-height: 1.8; color: var(--text-main); margin-bottom: 40px; }
.article-body p { margin-bottom: 20px; }
.comments-section { border-top: 1px solid var(--border); padding-top: 30px; }
.comments-section h3 { margin-bottom: 25px; display: flex; align-items: center; gap: 10px; }
.comment-item { display: flex; gap: 15px; margin-bottom: 25px; }
.comment-avatar { width: 40px; height: 40px; background: var(--bg-main); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-top: 5px; color: var(--text-muted); font-size: 18px; }
.comment-content { flex: 1; background: var(--bg-main); padding: 15px 20px; border-radius: 0 16px 16px 16px; border: 1px solid var(--border); }
.comment-name { font-weight: 600; font-size: 14px; margin-bottom: 5px; }
.comment-text { font-size: 15px; }
.comment-item.moderated .comment-content { border-color: rgba(239, 71, 111, 0.3); background: #FFF5F7; }
.comment-item.moderated .comment-text { filter: blur(4px); user-select: none; opacity: 0.5; }
.moderation-badge { display: inline-flex; align-items: center; gap: 5px; background: rgba(239, 71, 111, 0.1); color: var(--danger); font-size: 12px; padding: 4px 8px; border-radius: 4px; margin-top: 8px; font-weight: 600; }

/* Màn 11: Dashboard */
.dashboard-layout { display: flex; flex: 1; background: var(--bg-main); }
.dash-sidebar { width: 250px; background: white; border-right: 1px solid var(--border); padding: 20px 0; }
.dash-menu a { display: flex; align-items: center; gap: 15px; padding: 15px 30px; color: var(--text-muted); text-decoration: none; font-weight: 500; transition: 0.2s; border-left: 3px solid transparent; }
.dash-menu a:hover, .dash-menu a.active { background: var(--primary-light); color: var(--primary-dark); border-left-color: var(--primary); }
.dash-main { flex: 1; padding: 40px; }
.dash-header { display: flex; justify-content: space-between; margin-bottom: 30px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 30px; }
.stat-card { background: white; padding: 25px; border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.stat-val { font-size: 32px; font-weight: 700; color: var(--primary); margin: 10px 0 5px; }
.stat-label { color: var(--text-muted); font-size: 14px; font-weight: 500; }
.stat-icon { width: 40px; height: 40px; border-radius: 8px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 20px; }
.charts-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.chart-card { background: white; padding: 25px; border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }

/* Màn 12: Mobile */
.mobile-wrapper { display: flex; justify-content: center; align-items: center; width: 100%; min-height: 100vh; background: #f0f4f8; }
.mobile-device { width: 375px; height: 812px; background: white; border: 14px solid #1f2937; border-radius: 44px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); position: relative; overflow: hidden; display: flex; flex-direction: column; }
.mobile-notch { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 140px; height: 28px; background: #1f2937; border-bottom-left-radius: 16px; border-bottom-right-radius: 16px; z-index: 100; }
.mobile-header { background: var(--primary); color: white; padding: 45px 20px 15px; display: flex; align-items: center; justify-content: center; position: relative; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.mobile-header h4 { font-weight: 600; font-size: 16px; margin: 0; }
.mobile-chat-area { flex: 1; background: var(--bg-main); overflow-y: auto; padding: 20px 15px; display: flex; flex-direction: column; gap: 15px; }
.mobile-bottom-nav { background: white; display: flex; justify-content: space-around; padding: 12px 0 25px; border-top: 1px solid var(--border); }
.mobile-nav-item { display: flex; flex-direction: column; align-items: center; color: var(--text-muted); font-size: 12px; gap: 4px; }
.mobile-nav-item.active { color: var(--primary); }
.mobile-nav-item i { font-size: 20px; }
.mobile-chat-input { padding: 10px 15px; background: white; border-top: 1px solid var(--border); display: flex; gap: 10px; }
.mobile-chat-input input { flex: 1; border: 1px solid var(--border); border-radius: 20px; padding: 8px 15px; outline: none; background: var(--bg-main); }
.mobile-chat-input button { width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: white; border: none; }

/* Màn 13: Emotion */
.emotion-card { background: white; max-width: 600px; width: 100%; margin: 0 auto; padding: 40px; border-radius: 24px; box-shadow: 0 15px 50px rgba(0,0,0,0.08); text-align: center; }
.face-scan { width: 160px; height: 160px; margin: 0 auto 30px; border-radius: 50%; border: 4px dashed var(--primary-light); display: flex; align-items: center; justify-content: center; position: relative; font-size: 60px; color: var(--primary); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(74, 144, 226, 0.4); } 70% { box-shadow: 0 0 0 20px rgba(74, 144, 226, 0); } 100% { box-shadow: 0 0 0 0 rgba(74, 144, 226, 0); } }
.emotion-scale { margin: 30px 0; position: relative; height: 12px; background: linear-gradient(to right, #29B6F6, #FFEE58, #FFA726, #EF476F); border-radius: 10px; width: 100%; }
.emotion-marker { position: absolute; top: -10px; left: 70%; transform: translateX(-50%); width: 0; height: 0; border-left: 8px solid transparent; border-right: 8px solid transparent; border-top: 10px solid #333; }
.emotion-tooltip { position: absolute; top: -35px; left: 50%; transform: translateX(-50%); background: #333; color: white; padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.emotion-labels { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); font-weight: 500; margin-top: 15px; }

/* Màn 14: Khảo sát & Màn 15: Đặt lịch */
.survey-card, .booking-card-main { background: white; max-width: 700px; width: 100%; margin: 40px auto; padding: 40px; border-radius: 20px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.survey-q-item { text-align: left; margin-bottom: 25px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.survey-q-text { font-size: 16px; font-weight: 600; margin-bottom: 12px; color: var(--text-main); }
.survey-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.survey-opt-label { display: flex; align-items: center; gap: 10px; padding: 12px 15px; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-size: 14px; transition: 0.2s; }
.survey-opt-label:hover { background: var(--primary-light); border-color: var(--primary); }
.survey-opt-label input { display: none; }
.survey-opt-label.selected { background: var(--primary); color: white; border-color: var(--primary); }

.booking-slots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 12px; margin: 20px 0; }
.slot-btn { background: white; border: 1.5px solid var(--border); padding: 12px; border-radius: 10px; cursor: pointer; text-align: center; font-weight: 600; font-size: 14px; transition: 0.2s; }
.slot-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.slot-btn.selected { background: var(--primary); color: white; border-color: var(--primary); }
.slot-btn.disabled { opacity: 0.5; cursor: not-allowed; background: #f1f5f9; text-decoration: line-through; }

/* Auth Modal */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(4px); z-index: 20000; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: 0.3s ease; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content { background: white; padding: 40px; border-radius: 20px; width: 100%; max-width: 400px; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); text-align: center; transform: scale(0.9); transition: 0.3s ease; position: relative; }
.modal-overlay.active .modal-content { transform: scale(1); }
.modal-close { position: absolute; top: 20px; right: 20px; background: transparent; border: none; font-size: 20px; color: var(--text-muted); cursor: pointer; }
.form-group { text-align: left; margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text-main); margin-bottom: 8px; }
.form-control { width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 15px; outline: none; transition: 0.2s; }
.form-control:focus { border-color: var(--primary); }

/* Quick select logins */
.quick-login-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 15px; }
.quick-login-btn { padding: 10px; font-size: 13px; font-weight: 500; border-radius: 8px; border: 1px solid var(--border); background: #fafafa; cursor: pointer; transition: 0.2s; }
.quick-login-btn:hover { background: var(--primary-light); border-color: var(--primary); }