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

:root {
    /* Premium Palette */
    --lilac: #8a73ff;
    --lilac-light: #b3a3ff;
    --dark-blue: #090e1f;
    --mid-gray: #B0BEC5;
    --white: #FFFFFF;
    --black: #050810;
    
    /* Light Mode Variables */
    --bg-color: #f4f6fa;
    --text-color: #1c2333;
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.8);
    --card-bg: rgba(255, 255, 255, 0.9);
    --nav-bg: rgba(255, 255, 255, 0.8);
    --primary: var(--lilac);
    --primary-hover: var(--lilac-light);
    --secondary: #e2e8f0;
}

[data-theme="dark"] {
    /* Dark Mode Variables */
    --bg-color: var(--dark-blue);
    --text-color: var(--white);
    --glass-bg: rgba(18, 22, 38, 0.5);
    --glass-border: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(25, 30, 48, 0.75);
    --nav-bg: rgba(9, 14, 31, 0.85);
    --primary: var(--lilac-light);
    --primary-hover: var(--lilac);
    --secondary: #1e293b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(circle at 15% 50%, rgba(138, 115, 255, 0.05), transparent 25%),
                      radial-gradient(circle at 85% 30%, rgba(138, 115, 255, 0.05), transparent 25%);
}

/* Glassmorphism Utilities */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .glass {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Navigation */
.navbar {
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.6rem;
    font-family: 'Outfit', sans-serif;
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

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

/* Buttons */
.btn {
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    font-family: 'Outfit', sans-serif;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s, background-color 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(138, 115, 255, 0.25);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
}

[data-theme="dark"] .btn-primary {
    color: var(--dark-blue);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

/* Theme Toggle */
.theme-toggle {
    background: var(--secondary);
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.theme-toggle:hover {
    transform: rotate(30deg) scale(1.1);
}

/* Forms */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
}

.login-box {
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    text-align: center;
    border-radius: 20px;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: block;
    color: var(--text-color);
    opacity: 0.9;
}

.form-control {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: var(--card-bg);
    color: var(--text-color);
    outline: none;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(138, 115, 255, 0.2);
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-left: 4px solid #ef4444;
    color: #ef4444;
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    border-left: 4px solid #22c55e;
    color: #22c55e;
}

/* Notifications */
.notification-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--card-bg);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 9999;
    animation: slideInRight 0.3s ease forwards;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}