/* ==========================================================================
   BALAGH PREMIUM DESIGN SYSTEM
   ========================================================================== */

/* ── 1. Variables & Colors ── */
:root {
    /* Algerian Premium Palette */
    --color-dz-green: #047857;
    /* Deep Emerald */
    --color-dz-green-light: #10B981;
    --color-dz-green-glow: rgba(16, 185, 129, 0.2);
    --color-dz-red: #E11D48;
    /* Crimson */
    --color-dz-red-light: #F43F5E;
    --color-dz-red-glow: rgba(225, 29, 72, 0.2);

    /* Backgrounds */
    --bg-main: #F4F7FB;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-inverse: #0F172A;

    /* Text */
    --text-main: #0F172A;
    --text-muted: #64748B;
    --text-light: #94A3B8;

    /* UI Elements */
    --border-light: rgba(226, 232, 240, 0.6);
    --border-strong: #CBD5E1;

    /* Geometry */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-pill: 999px;

    /* Shadows - App Feel */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.03);
    --shadow-float: 0 10px 40px rgba(4, 120, 87, 0.08);
    --shadow-glow-green: 0 8px 24px var(--color-dz-green-glow);
    --shadow-glow-red: 0 8px 24px var(--color-dz-red-glow);

    /* Typography */
    --font-ar: 'Cairo', system-ui, sans-serif;
    --font-en: 'Outfit', system-ui, sans-serif;

    /* Header & Nav */
    --safe-bottom: env(safe-area-inset-bottom, 20px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Bi-directional Font Logic */
html[dir="rtl"] body {
    font-family: var(--font-ar);
}

html[dir="ltr"] body {
    font-family: var(--font-en);
}

/* Remove default link styles */
a {
    text-decoration: none;
    color: inherit;
}

button {
    border: none;
    background: none;
    font: inherit;
    cursor: pointer;
}

/* ── 2. Glassmorphism Utilities ── */
.glass-effect {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow-soft);
    border-radius: var(--radius-lg);
}

/* ── 3. Premium Header ── */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    border-bottom: 1px solid var(--border-light);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon-wrapper {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-dz-green-light), var(--color-dz-green));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-glow-green);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-ar {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-main);
}

.brand-en {
    font-weight: 600;
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--color-dz-green);
}

.desktop-nav {
    display: none;
    align-items: center;
    gap: 2rem;
}

.desktop-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.desktop-nav .nav-link:hover,
.desktop-nav .nav-link.active {
    color: var(--color-dz-green);
}

.desktop-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-dz-green);
    border-radius: var(--radius-pill);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Dropdown */
.lang-switch {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--border-light);
    font-weight: 600;
    color: var(--text-main);
    transition: all 0.2s;
}

.lang-btn:hover {
    background: white;
    box-shadow: var(--shadow-soft);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 150px;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    background: white;
    box-shadow: var(--shadow-float);
    transform-origin: top right;
}

html[dir="ltr"] .lang-dropdown {
    right: auto;
    left: 0;
    transform-origin: top left;
}

.lang-item {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.2s;
}

.lang-item:hover {
    background: var(--bg-main);
    color: var(--color-dz-green);
}

.lang-item.active {
    background: var(--color-dz-green-glow);
    color: var(--color-dz-green);
    font-weight: 700;
}

.mobile-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-main);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--border-light);
}

/* ── 4. Mobile Fullscreen Menu ── */
.mobile-fullscreen-menu {
    position: fixed;
    top: 72px;
    /* Below header */
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: rgba(244, 247, 251, 0.95);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    background: white;
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.mobile-nav-link:active {
    transform: scale(0.98);
}

.mobile-nav-link.active {
    background: linear-gradient(135deg, white, var(--color-dz-green-glow));
    border-color: rgba(16, 185, 129, 0.2);
    box-shadow: var(--shadow-glow-green);
    color: var(--color-dz-green);
}

.nav-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-inline-end: 1rem;
    color: var(--text-muted);
}

.mobile-nav-link.active .nav-icon {
    background: var(--color-dz-green);
    color: white;
}

.chevron {
    margin-inline-start: auto;
    color: var(--text-light);
}

html[dir="ltr"] .chevron {
    transform: rotate(180deg);
}

.mobile-footer {
    padding-bottom: var(--safe-bottom);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.dz-flag-large {
    font-size: 2rem;
    margin-top: 0.5rem;
}

/* Mobile Menu Animations (Alpine) */
.menu-transition-enter {
    transform: translateY(100%);
    opacity: 0;
}

.menu-transition-enter-start {
    transform: translateY(100%);
    opacity: 0;
}

.menu-transition-enter-end {
    transform: translateY(0);
    opacity: 1;
}

.menu-transition-leave {
    transform: translateY(0);
    opacity: 1;
}

.menu-transition-leave-start {
    transform: translateY(0);
    opacity: 1;
}

.menu-transition-leave-end {
    transform: translateY(10px);
    opacity: 0;
}

/* ── 5. Main Content ── */
.app-main {
    padding-top: 72px;
    /* Space for fixed header */
}

/* ── 6. Responsive Rules ── */
@media (min-width: 768px) {
    .mobile-toggle {
        display: none !important;
    }

    .desktop-nav {
        display: flex !important;
    }
}

/* ── 7. Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn i {
    font-size: 1.25rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-dz-green), var(--color-dz-green-light));
    color: white;
    box-shadow: var(--shadow-glow-green);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px var(--color-dz-green-glow);
}

.btn-white {
    background: white;
    color: var(--color-dz-green);
    box-shadow: var(--shadow-soft);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-float);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-dz-red), var(--color-dz-red-light));
    color: white;
    box-shadow: var(--shadow-glow-red);
}

/* ── 8. Utility Layouts ── */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.page-header {
    padding: 3rem 0;
    text-align: center;
    background: linear-gradient(180deg, white 0%, var(--bg-main) 100%);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-dz-green);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ── 9. Animations ── */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(16, 185, 129, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}