/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700&display=swap'); /* For Arabic Support */

:root {
    /* Colors */
    --primary-color: #4361ee;
    --primary-gradient: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
    --secondary-color: #7209b7;
    --success-color: #06d6a0;
    --danger-color: #ef476f;
    --warning-color: #ffd166;
    --info-color: #4cc9f0;
    
    /* Neutrals */
    --text-main: #2b2d42;
    --text-muted: #6c757d;
    --text-light: #ffffff;
    --bg-body: #f3f4f6;
    --bg-surface: #ffffff;
    
    /* Effects */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --backdrop-blur: blur(10px);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
    
    /* Layout */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    --font-family: 'Inter', 'Cairo', system-ui, sans-serif;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; font-family: inherit; }

/* Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius-lg);
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, #f3f4f6 0%, #e5e7eb 100%);
    background-image: radial-gradient(at 0% 0%, rgba(67, 97, 238, 0.1) 0px, transparent 50%),
                      radial-gradient(at 100% 100%, rgba(114, 9, 183, 0.1) 0px, transparent 50%);
}

.auth-card {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
}

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; margin-bottom: 0.5rem; font-weight: 500; font-size: 0.875rem; }
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}
.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 6px rgba(67, 97, 238, 0.3);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 8px rgba(67, 97, 238, 0.4);
}
.btn-loading {
    opacity: 0.7;
    cursor: wait;
}

/* Loading Spinner */
.spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid #ffffff;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    margin-right: 0.5rem;
}
@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-danger {
    background-color: rgba(239, 71, 111, 0.1);
    color: #b91c1c;
    border: 1px solid rgba(239, 71, 111, 0.2);
}

/* Navbar & Sidebar */
.app-container { display: flex; min-height: 100vh; }
.sidebar { width: 260px; background: white; border-right: 1px solid #e5e7eb; display: flex; flex-direction: column; }
.main-content { flex: 1; display: flex; flex-direction: column; }
.header { height: 64px; background: white; border-bottom: 1px solid #e5e7eb; display: flex; align-items: center; padding: 0 1.5rem; justify-content: space-between; }
.content-area { flex: 1; padding: 2rem; overflow-y: auto; }

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
    margin: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
}
.nav-link:hover, .nav-link.active {
    background-color: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
}
.nav-link i { margin-right: 0.75rem; width: 20px; text-align: center; }

h1, h2, h3 { font-weight: 700; color: var(--text-main); }