/* ========================================
   LAYE — shared.css
   Commun à : index.html, login.html, register.html
   ======================================== */

/* ----------------------------------------
   CSS Variables
   ---------------------------------------- */
:root {
    --primary: #ce492a;
    --primary-dark: #b33d22;
    --primary-light: #e8553d;
    --primary-rgb: 206, 73, 42;

    --dark: #0f0f0f;
    --dark-rgb: 15, 15, 15;

    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;

    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --space-1: 0.25rem;  --space-2: 0.5rem;   --space-3: 0.75rem;
    --space-4: 1rem;     --space-5: 1.25rem;  --space-6: 1.5rem;
    --space-8: 2rem;     --space-10: 2.5rem;  --space-12: 3rem;
    --space-16: 4rem;    --space-20: 5rem;

    --radius-sm: 6px;   --radius-md: 8px;  --radius-lg: 12px;
    --radius-xl: 16px;  --radius-2xl: 24px; --radius-full: 9999px;

    --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);

    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ----------------------------------------
   Reset & Base
   ---------------------------------------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}
.section { padding: var(--space-20) 0; }

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.btn-sm  { padding: var(--space-2) var(--space-4); font-size: 0.875rem; }
.btn-lg  { padding: var(--space-4) var(--space-6); font-size: 1rem; }
.btn-xl  { padding: var(--space-5) var(--space-8); font-size: 1.0625rem; }
.btn-block { width: 100%; }

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }

.btn-outline { background: transparent; color: var(--dark); border: 1.5px solid var(--gray-200); }
.btn-outline:hover { border-color: var(--gray-400); background: var(--gray-50); }

.btn-white { background: var(--white); color: var(--dark); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-1px); }

.btn-glass {
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}
.btn-glass:hover { background: rgba(255,255,255,0.25); }

/* ----------------------------------------
   HEADER
   ---------------------------------------- */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}
.header-blur {
    position: absolute;
    inset: 0;
    background: #fff;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.header.scrolled .header-blur {
    background: rgba(255,255,255,0.95);
    box-shadow: var(--shadow-md);
}

.nav {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo { display: flex; align-items: center; gap: var(--space-3); z-index: 10; }
.logo-img { height: 36px; width: auto; object-fit: contain; }
.logo-text { font-size: 1.375rem; font-weight: 800; letter-spacing: -0.02em; }

.nav-center {
    display: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
@media (min-width: 1024px) { .nav-center { display: block; } }

.nav-menu { display: flex; gap: var(--space-1); }

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}
.nav-link:hover { color: var(--dark); background: var(--gray-100); }

.nav-right { display: none; align-items: center; gap: var(--space-3); }
@media (min-width: 768px) { .nav-right { display: flex; } }

.search-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-500);
    transition: all var(--transition-fast);
}
.search-trigger:hover { background: var(--gray-200); color: var(--gray-700); }
.search-trigger span { display: none; }
.search-trigger kbd {
    display: none;
    padding: 2px 6px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    color: var(--gray-400);
}
@media (min-width: 1024px) {
    .search-trigger span, .search-trigger kbd { display: inline; }
    .search-trigger { padding: var(--space-3) var(--space-5); }
}

.nav-link-auth {
    padding: var(--space-2) var(--space-4);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
}
.nav-link-auth:hover { color: var(--primary); }

/* Mobile Toggle */
.mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    z-index: 10;
}
@media (min-width: 768px) { .mobile-toggle { display: none; } }

.mobile-toggle span {
    width: 22px; height: 2px;
    background: var(--dark);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 1001;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}
.mobile-menu.active { transform: translateX(0); }

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-12);
}
.mobile-close {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
    color: var(--gray-500);
}
.mobile-nav { flex: 1; display: flex; flex-direction: column; }
.mobile-nav a {
    padding: var(--space-4) 0;
    font-size: 1.125rem;
    font-weight: 500;
    border-bottom: 1px solid var(--gray-100);
}
.mobile-auth {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-top: var(--space-6);
}

/* ----------------------------------------
   SEARCH MODAL
   ---------------------------------------- */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-20) var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}
.search-modal.active { opacity: 1; visibility: visible; }

.search-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}
.search-modal-container {
    position: relative;
    width: 100%;
    max-width: 580px;
    transform: translateY(-20px) scale(0.95);
    transition: transform var(--transition-base);
}
.search-modal.active .search-modal-container { transform: translateY(0) scale(1); }

.search-modal-content {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-2xl);
}
.search-modal-close {
    position: absolute;
    top: var(--space-4); right: var(--space-4);
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    color: var(--gray-500);
    transition: all var(--transition-fast);
}
.search-modal-close:hover { background: var(--gray-200); color: var(--dark); }

.search-modal-header { text-align: center; margin-bottom: var(--space-6); }
.search-icon-wrapper {
    width: 56px; height: 56px;
    margin: 0 auto var(--space-4);
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: 1.25rem;
}
.search-modal-header h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: var(--space-1); }
.search-modal-header p  { color: var(--gray-500); font-size: 0.9375rem; }

.search-form { display: flex; flex-direction: column; gap: var(--space-4); }
.search-field label {
    display: flex; align-items: center; gap: var(--space-2);
    font-size: 0.8125rem; font-weight: 600; color: var(--gray-700);
    margin-bottom: var(--space-2);
}
.search-field label i { color: var(--gray-400); }
.search-field input, .search-field select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}
.search-field input:focus, .search-field select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}
.search-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

.search-categories { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.category-chip { cursor: pointer; }
.category-chip input { display: none; }
.category-chip span {
    display: inline-flex; align-items: center; gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.8125rem; font-weight: 500; color: var(--gray-600);
    transition: all var(--transition-fast);
}
.category-chip input:checked + span { background: var(--primary); color: var(--white); }
.category-chip:hover span { background: var(--gray-200); }
.category-chip input:checked:hover + span { background: var(--primary-dark); }

.search-popular {
    display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2);
    margin-top: var(--space-4); padding-top: var(--space-4);
    border-top: 1px solid var(--gray-100);
    font-size: 0.8125rem; color: var(--gray-500);
}
.tag {
    padding: var(--space-1) var(--space-3);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.8125rem; color: var(--gray-600);
    transition: all var(--transition-fast);
}
.tag:hover { background: var(--gray-200); }

/* ----------------------------------------
   FOOTER
   ---------------------------------------- */
.footer { background: var(--dark); color: var(--white); }

.footer-main { padding: var(--space-16) 0 var(--space-12); }

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.2fr 2fr; } }

.footer-brand { max-width: 300px; }
.footer-brand .logo { margin-bottom: var(--space-5); }
.footer-brand .logo-text { color: var(--white); }
.footer-desc { color: var(--gray-400); line-height: 1.6; margin-bottom: var(--space-6); }

.footer-social { display: flex; gap: var(--space-2); }
.footer-social a {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}
.footer-social a:hover { background: var(--primary); color: var(--white); }

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}
@media (min-width: 768px) { .footer-links { grid-template-columns: repeat(3, 1fr); } }

.footer-col h4 { font-size: 0.9375rem; font-weight: 600; margin-bottom: var(--space-5); }
.footer-col li { margin-bottom: var(--space-2); }
.footer-col a {
    display: inline-flex; align-items: center; gap: var(--space-2);
    font-size: 0.9375rem; color: var(--gray-400);
    transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--primary-light); }

.footer-extras {
    display: flex; flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
}
.extras-label {
    display: block;
    font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--gray-500); margin-bottom: var(--space-4);
}
.payment-logos { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.payment-logo {
    display: flex; align-items: center; justify-content: center;
    height: 32px; padding: 0 var(--space-3);
    background: var(--gray-800);
    border-radius: var(--radius-md);
}
.payment-logo img { height: 16px; width: auto; }

.footer-bottom { padding: var(--space-5) 0; background: var(--gray-900); }
.footer-bottom-content {
    display: flex; flex-wrap: wrap;
    justify-content: space-between; align-items: center;
    gap: var(--space-4);
}
.footer-legal { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.footer-legal a { font-size: 0.8125rem; color: var(--gray-400); }
.footer-legal a:hover { color: var(--primary-light); }
.footer-legal span { color: var(--gray-600); }
.footer-copy, .footer-made { font-size: 0.8125rem; color: var(--gray-500); }
.footer-made i { color: var(--primary); }

/* ----------------------------------------
   Section Header (commun)
   ---------------------------------------- */
.section-header { margin-bottom: var(--space-12); }
.section-header.centered { text-align: center; }

.section-header-top {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-4);
}
.section-label { display: inline-flex; align-items: center; gap: var(--space-3); }
.section-label.centered { justify-content: center; margin-bottom: var(--space-4); }
.label-line { width: 24px; height: 2px; background: linear-gradient(90deg, var(--primary), transparent); }
.section-label.centered .label-line:first-child { background: linear-gradient(90deg, transparent, var(--primary)); }
.label-text {
    font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--primary);
}
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800; line-height: 1.15;
    letter-spacing: -0.02em; margin-bottom: var(--space-3);
}
.highlight { position: relative; color: var(--primary); }
.highlight::after {
    content: ''; position: absolute;
    bottom: 2px; left: 0; right: 0;
    height: 8px;
    background: rgba(var(--primary-rgb), 0.15);
    transform: skewX(-12deg); z-index: -1;
}
.section-desc { font-size: 1.0625rem; color: var(--gray-500); }
.section-header.centered .section-desc { max-width: 500px; margin: 0 auto; }
.section-footer { text-align: center; margin-top: var(--space-12); }

/* Pulse animation */
.pulse {
    width: 8px; height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(1.2); }
}

/* ----------------------------------------
   Responsive partagé
   ---------------------------------------- */
@media (max-width: 480px) {
    .container { padding: 0 var(--space-4); }
    .section { padding: var(--space-12) 0; }
    .footer-grid { gap: var(--space-8); }
    .footer-links { grid-template-columns: 1fr; gap: var(--space-6); }
    .footer-extras { flex-direction: column; gap: var(--space-6); }
    .payment-logos { justify-content: center; }
    .footer-bottom-content { flex-direction: column; text-align: center; gap: var(--space-3); }
    .footer-legal { justify-content: center; }
    .search-modal { padding: var(--space-4); align-items: flex-start; }
    .search-modal-content { padding: var(--space-5); border-radius: var(--radius-xl); }
    .search-row { grid-template-columns: 1fr; }
    .search-categories { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}