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

:root {
    /* Ultra-Modern Aurora Dark Theme (Original) */
    --bg: #000000;
    --card: #0a0a0a;
    --border: #222222;
    --text: #ededed;
    --sub: #888888;
    
    --primary-color: #F27121;
    --primary-gradient: linear-gradient(135deg, #E94057 0%, #F27121 100%);
    --primary-glow: rgba(242, 113, 33, 0.2);
    
    --danger: #ef4444;
    --success: #10b981;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    --smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Fallbacks for older classes */
    --glass-bg: var(--card);
    --glass-border: var(--border);
    --glass-shadow: none;
}

body.light-mode {
    --bg: #f9fafb;
    --card: #ffffff;
    --border: #e5e7eb;
    --text: #111827;
    --sub: #6b7280;
    --primary-glow: rgba(242, 113, 33, 0.15);
    
    --glass-bg: var(--card);
    --glass-border: var(--border);
    --glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', -apple-system, sans-serif; outline: none; }

body {
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    transition: background-color 0.4s ease, color 0.4s ease;
    padding-bottom: 80px;
    overscroll-behavior-y: none; /* Fixes pull-to-refresh on mobile */
    overscroll-behavior-x: none; /* Fixes swipe-to-go-back autoback on mobile */
}

a { text-decoration: none; color: inherit; transition: var(--smooth); }

/* Navbar */
.navbar {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 40px;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--smooth);
}
.logo a { font-weight: 700; font-size: 20px; letter-spacing: -0.5px; color: var(--text); }
.logo span { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-item { color: var(--sub); font-size: 14px; font-weight: 500; transition: var(--smooth); display: flex; align-items: center; gap: 6px; }
.nav-item:hover, .nav-item.active { color: var(--primary-color); }

.container { max-width: 1000px; margin: 40px auto; padding: 0 20px; }

/* Cards */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-bottom: 30px;
    transition: var(--smooth);
}

/* Buttons */
.btn {
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn:hover { box-shadow: 0 8px 20px var(--primary-glow); transform: translateY(-2px); }
.btn.btn-sec { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.btn-sec:hover { border-color: var(--primary-color); color: var(--primary-color); }

.btn-icon {
    background: transparent;
    border: none;
    color: var(--sub);
    font-size: 18px;
    cursor: pointer;
    transition: var(--smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border-radius: 50%;
}
.btn-icon:hover { background: var(--border); color: var(--primary-color); }

/* Forms */
.form-group { margin-bottom: 20px; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--sub); margin-bottom: 8px; }
input, select, textarea {
    width: 100%; background: var(--bg); border: 1px solid var(--border);
    color: var(--text); padding: 12px 16px; border-radius: var(--radius-sm);
    font-size: 14px; transition: var(--smooth);
}
input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px var(--primary-glow); }

/* Tables */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--sub); font-weight: 500; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 30px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 30px; text-align: center; }
.stat-icon { font-size: 32px; background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 15px; display: inline-block; }
.stat-num { font-size: 36px; font-weight: 700; margin-bottom: 5px; }
.stat-label { color: var(--sub); font-size: 13px; }

/* Typography */
h1, h2, h3 { font-weight: 700; letter-spacing: -0.5px; }
.welcome-sec { margin-bottom: 30px; }
.welcome-sec h2 { font-size: 28px; margin-bottom: 10px; }
.welcome-sec p { color: var(--sub); font-size: 15px; }

/* Badges / Pills */
.code-pill { background: rgba(242, 113, 33, 0.1); color: var(--primary-color); padding: 4px 10px; border-radius: 4px; font-family: monospace; font-size: 13px; }

/* Mobile Nav */
.mobile-nav { display: none; }
@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-nav { display: flex; justify-content: space-around; position: fixed; bottom: 0; left: 0; right: 0; background: var(--card); border-top: 1px solid var(--border); padding: 12px 0; z-index: 100; }
    .mobile-nav a { display: flex; flex-direction: column; align-items: center; font-size: 10px; color: var(--sub); }
    .mobile-nav a:hover, .mobile-nav a.active { color: var(--primary-color); }
    .mobile-nav i { font-size: 20px; margin-bottom: 4px; }
    .navbar { padding: 16px 20px; }
}

/* Tabs */
.tabs { display: flex; gap: 15px; margin-bottom: 25px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tab-btn { background: transparent; border: none; color: var(--sub); padding: 12px 24px; font-size: 14px; font-weight: 500; cursor: pointer; border-bottom: 2px solid transparent; transition: var(--smooth); }
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary-color); border-bottom-color: var(--primary-color); }
.panel { display: none; animation: fade 0.4s ease; }
.panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Toasts */
#toast-container { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 2000; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast { background: var(--card); border: 1px solid var(--border); padding: 16px 30px; border-radius: var(--radius-md); color: var(--text); font-weight: 500; display: flex; align-items: center; gap: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); opacity: 0; transform: translateY(-20px); transition: var(--smooth); pointer-events: all; }
.toast.active { opacity: 1; transform: translateY(0); }
.toast.suc i { color: var(--success); font-size: 20px; }
.toast.err i { color: var(--danger); font-size: 20px; }