:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --card-bg: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
}

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

body {
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.top-bar {
    background: rgba(0, 0, 0, 0.4);
    padding: 8px 30px;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    color: #94a3b8;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .logo {
    font-size: 26px;
    font-weight: 800;
    color: white;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.navbar .logo span {
    color: var(--primary);
}

.navbar .nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.navbar .nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}

.navbar .nav-links a:hover {
    color: var(--primary);
}

.btn {
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    transition: 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-danger {
    background: #ef4444;
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 120px 20px;
    background: radial-gradient(circle at top, rgba(59, 130, 246, 0.15) 0%, transparent 60%);
    position: relative;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 25px;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Dynamic text animation */
.dynamic-text::after {
    content: '';
    animation: typing 4s infinite;
}

/* Plans */
.plans {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 60px 20px;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.plan-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 50px 30px;
    width: 320px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.plan-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.plan-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.plan-card .price {
    font-size: 42px;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 20px;
}

.plan-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.plan-card ul li {
    margin-bottom: 10px;
    color: #cbd5e1;
    display: flex;
    align-items: center;
}

.plan-card ul li::before {
    content: '✓';
    color: var(--primary);
    margin-right: 10px;
    font-weight: bold;
}

.plan-card .btn {
    width: 100%;
}

/* Footer */
footer {
    background: rgba(15, 23, 42, 0.9);
    text-align: center;
    padding: 30px;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    color: #64748b;
}

/* Forms (Login/Register) */
.form-container {
    width: 100%;
    max-width: 420px;
    margin: 80px auto;
    padding: 40px 30px;
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.form-container h2 {
    margin-bottom: 30px;
    text-align: center;
    font-size: 28px;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #cbd5e1;
    font-size: 14px;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    color: white;
    border-radius: 10px;
    outline: none;
    transition: 0.3s;
    font-size: 16px;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
}

.form-container .btn {
    width: 100%;
    margin-top: 10px;
}

.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #94a3b8;
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
}

/* Dashboard / Admin Panels */
.dashboard-container {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.card h3 {
    margin-bottom: 15px;
    color: white;
    font-size: 20px;
    display: flex;
    justify-content: space-between;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th,
td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: #94a3b8;
    font-weight: 500;
    font-size: 14px;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.badge-warning {
    background: rgba(234, 179, 8, 0.2);
    color: #facc15;
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-success {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}