/* ================================================
   QARAR SMART PLATFORM - COLOR TOKENS
   ================================================ */

:root {
    /* Primary Colors */
    --clr-primary: #0EA5E9;
    --clr-secondary: #64748b;
    --clr-accent: #FACC15;
    --clr-success: #22C55E;
    --clr-danger: #EF4444;
    --clr-warning: #F59E0B;
    
    /* Background Colors */
    --clr-bg: #0F172A;
    --clr-surface: #111827;
    --clr-surface-dark: #0F172A;
    
    /* Text Colors */
    --clr-text: #F1F5F9;
    --clr-text-muted: #94A3B8;
    --clr-text-dim: #64748b;
    
    /* Border Colors */
    --clr-border: #1E293B;
    
    /* Font Family */
    --font-primary: 'Cairo', 'Tajawal', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ================================================
   BASE STYLES
   ================================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ================================================
   NAVBAR
   ================================================ */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--clr-primary), #06b6d4);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

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

.nav-links a:hover,
.nav-links a.active {
    opacity: 0.8;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    width: 100%;
    height: 2px;
    background: var(--clr-accent);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: white;
    transition: var(--transition-fast);
}

/* ================================================
   BUTTONS
   ================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #0284c7;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--clr-surface);
    color: var(--clr-text);
    border: 1px solid var(--clr-border);
}

.btn-secondary:hover {
    background: var(--clr-border);
}

.btn-accent {
    background: var(--clr-accent);
    color: var(--clr-bg);
}

.btn-accent:hover {
    background: #eab308;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ================================================
   BADGES
   ================================================ */

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--clr-success);
}

.badge-accent {
    background: rgba(250, 204, 21, 0.2);
    color: var(--clr-accent);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--clr-danger);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--clr-warning);
}

/* ================================================
   CARDS
   ================================================ */

.card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--clr-primary);
    box-shadow: 0 8px 16px rgba(14, 165, 233, 0.1);
}

.card-header {
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--clr-text-muted);
    font-size: 0.875rem;
}

/* ================================================
   LOADING SPINNER
   ================================================ */

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--clr-text-muted);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--clr-border);
    border-top-color: var(--clr-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ================================================
   ERROR MESSAGE
   ================================================ */

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: rgb(239, 68, 68);
    padding: 1rem;
    border-radius: var(--radius-md);
    text-align: center;
    margin: 1rem 0;
}

.success-message {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--clr-success);
    padding: 1rem;
    border-radius: var(--radius-md);
    text-align: center;
    margin: 1rem 0;
}

/* ================================================
   FOOTER
   ================================================ */

.footer {
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
    color: var(--clr-text-muted);
}

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

.footer a:hover {
    text-decoration: underline;
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        flex-direction: column;
        background: var(--clr-primary);
        padding: 1rem;
        gap: 0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 0.75rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .logo {
        font-size: 1.25rem;
    }
}