:root {
    --primary: #6C5CE7;
    --secondary: #00B894;
    --accent: #FD79A8;
    --bg-dark: #0F172A;
    --surface-dark: #1E293B;
    --text-primary-dark: #F1F5F9;
    --text-secondary-dark: #94A3B8;
    --bg-light: #F8FAFC;
    --surface-light: #FFFFFF;
    --text-primary-light: #0F172A;
    --text-secondary-light: #475569;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary-dark);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
}

.glass-effect {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(108, 92, 231, 0.4);
}

.sidebar {
    width: 250px;
    height: 100vh;
    background: var(--surface-dark);
    position: fixed;
    left: 0;
    top: 0;
    padding: 20px;
}

.main-content {
    margin-left: 250px;
    padding: 20px;
}

.login-page .main-content {
    margin-left: 0;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    background: var(--surface-dark);
    color: var(--text-primary-dark);
}

.alert {
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-danger {
    background: rgba(253, 121, 168, 0.2);
    border: 1px solid var(--accent);
    color: var(--accent);
}