/* physpire Platform — Global Styles */
/* 基于Tailwind CSS理念，使用CSS变量实现 */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #7c3aed;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 8px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Navigation */
.nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 24px;
}
.nav-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.nav-brand {
	font-size: 20px; font-weight: 700; color: var(--gray-900);
	display: flex; align-items: center; gap: 4px;
	text-decoration: none;
}
.nav-brand img {
	width: 22px; height: 22px;
	object-fit: contain;
	transition: transform 0.2s;
}
.nav-brand:hover img {
    transform: scale(1.06);
}
.nav-brand span {
    background: linear-gradient(90deg, #2563eb, #4f46e5, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
    color: var(--gray-600); font-size: 14px; font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius);
    font-size: 14px; font-weight: 600; border: none;
    cursor: pointer; transition: all 0.2s; text-decoration: none;
}
/* Brand Logo */
.brand-logo { vertical-align: middle; }

/* Buttons - control console button text must be white */
.btn-primary { background: var(--primary); color: #fff; }
.nav-links .btn-primary { color: #fff !important; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: var(--gray-100); color: var(--gray-700); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 10px; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* Cards */
.card {
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: 12px; padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow); }
.card-header { font-size: 18px; font-weight: 700; margin-bottom: 16px; color: var(--gray-900); }

/* Grid */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Tables */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--gray-200); }
th { background: var(--gray-50); font-weight: 600; font-size: 13px; color: var(--gray-600); text-transform: uppercase; }
tr:hover td { background: var(--gray-50); }

/* Badges */
.badge {
    display: inline-flex; align-items: center; padding: 2px 10px;
    border-radius: 999px; font-size: 12px; font-weight: 600;
}
.badge-primary { background: #dbeafe; color: #1d4ed8; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* Stats */
.stat-card {
    background: #fff; border: 1px solid var(--gray-200); border-radius: 12px;
    padding: 20px; text-align: center;
}
.stat-value { font-size: 32px; font-weight: 800; color: var(--gray-900); }
.stat-label { font-size: 13px; color: var(--gray-500); margin-top: 4px; }
.stat-change { font-size: 12px; margin-top: 4px; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 14px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-input {
    width: 100%; padding: 10px 14px; border: 1px solid var(--gray-300);
    border-radius: var(--radius); font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%236b7280'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

/* Progress Bar */
.progress { background: var(--gray-200); border-radius: 999px; height: 8px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 999px; transition: width 0.3s; }
.progress-bar-primary { background: var(--primary); }
.progress-bar-success { background: var(--success); }
.progress-bar-danger { background: var(--danger); }

/* Hero Section */
.hero {
    padding: 80px 0 60px; text-align: center;
    background: linear-gradient(135deg, #eff6ff 0%, #f0f4ff 50%, #faf5ff 100%);
}
.hero h1 { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 16px; color: var(--gray-900); }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 18px; color: var(--gray-600); max-width: 640px; margin: 0 auto 32px; }
.hero-buttons { display: flex; gap: 12px; justify-content: center; }

/* Section */
.section { padding: 60px 0; }
.section-title { font-size: 32px; font-weight: 800; text-align: center; margin-bottom: 8px; }
.section-desc { text-align: center; color: var(--gray-500); font-size: 16px; margin-bottom: 48px; }

/* Feature Cards */
.feature-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; margin-bottom: 16px;
}
.feature-icon.blue { background: #dbeafe; }
.feature-icon.green { background: #d1fae5; }
.feature-icon.purple { background: #ede9fe; }
.feature-icon.orange { background: #fef3c7; }

/* Pricing Table */
.pricing-card {
    border: 2px solid var(--gray-200); border-radius: 16px;
    padding: 32px; text-align: center; transition: all 0.3s;
    position: relative;
}
.pricing-card.featured { border-color: var(--primary); box-shadow: var(--shadow-xl); transform: scale(1.05); }
.pricing-card.featured::before {
    content: '最受欢迎'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: #fff; font-size: 12px; font-weight: 700;
    padding: 4px 16px; border-radius: 999px;
}
.pricing-price { font-size: 48px; font-weight: 800; color: var(--gray-900); }
.pricing-price span { font-size: 16px; font-weight: 400; color: var(--gray-500); }
.pricing-features { list-style: none; padding: 0; margin: 24px 0; text-align: left; }
.pricing-features li { padding: 8px 0; font-size: 14px; color: var(--gray-600); display: flex; align-items: center; gap: 8px; }
.pricing-features li::before { content: '✓'; color: var(--success); font-weight: 700; }

/* Dashboard Layout */
.dashboard-layout { display: flex; min-height: 100vh; align-items: flex-start; }
.sidebar {
    width: 240px; background: var(--gray-900); color: #fff;
    padding: 24px 0; flex-shrink: 0;
    display: flex; flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    align-self: flex-start;
    overflow-y: auto;
    box-sizing: border-box;
}
.sidebar-nav { flex: 1 1 auto; }
.sidebar-brand { padding: 0 24px 24px; font-size: 20px; font-weight: 700; }
.sidebar-brand span { color: var(--primary-light); }
.sidebar-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 24px; color: var(--gray-400); font-size: 14px;
    transition: all 0.2s; text-decoration: none;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.05); color: #fff; }
.sidebar-nav a.active { background: rgba(37,99,235,0.2); color: var(--primary-light); border-right: 3px solid var(--primary-light); }
.main-content { flex: 1; padding: 32px; background: var(--gray-50); }
/* Console: recent transactions own vertical scroll (do not stretch sidebar) */
.txn-records-scroll {
    max-height: min(420px, 50vh);
    overflow-y: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.txn-records-scroll table { width: 100%; }


/* Admin Stats Row */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-mini {
    background: #fff; border-radius: 12px; padding: 20px;
    border: 1px solid var(--gray-200);
}
.stat-mini .label { font-size: 13px; color: var(--gray-500); margin-bottom: 4px; }
.stat-mini .value { font-size: 28px; font-weight: 800; }

/* Tags */
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }

/* Footer */
.footer {
    background: var(--gray-900); color: var(--gray-400);
    padding: 48px 0 24px; margin-top: 60px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 32px; }
.footer h4 { color: #fff; font-size: 14px; margin-bottom: 16px; }
.footer a { color: var(--gray-400); font-size: 14px; display: block; padding: 4px 0; }
.footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid var(--gray-700); padding-top: 24px; font-size: 13px; text-align: center; }

/* Toast */
.toast {
    position: fixed; bottom: 24px; right: 24px; z-index: 1000;
    padding: 12px 20px; border-radius: var(--radius); color: #fff;
    font-size: 14px; font-weight: 500; box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .sidebar { display: none; }
    .nav-links { gap: 16px; }
    .nav-links a { font-size: 12px; }
    .footer-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: none; }
}