/* === /assets/css/app.css === */
/* QRCard Pro — Design System Premium */

/* ── Variables CSS ── */
:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #EEF2FF;
    --primary-glow: rgba(99, 102, 241, 0.25);
    --bg: #F8FAFC;
    --surface: #FFFFFF;
    --text: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --success: #10B981;
    --success-bg: #ECFDF5;
    --danger: #EF4444;
    --danger-bg: #FEF2F2;
    --warning: #F59E0B;
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 50px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.06), 0 4px 6px -4px rgba(0,0,0,0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.06), 0 8px 10px -6px rgba(0,0,0,0.03);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.1);
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --sidebar-width: 260px;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--primary-dark); }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

::selection {
    background: var(--primary-light);
    color: var(--primary-dark);
}

/* ── Scrollbar personnalisé ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: background var(--transition-fast);
}

.btn:active::after {
    background: rgba(0,0,0,0.08);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #818CF8);
    color: #fff;
    box-shadow: 0 2px 8px var(--primary-glow);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
    background: #DC2626;
    color: #fff;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 7px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
}

.btn-full { width: 100%; }

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.btn-icon:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ── Cards ── */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    margin-bottom: 20px;
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.card-header h2 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
}
.card-header h2 i { color: var(--primary); font-size: 16px; }

.card-body { padding: 24px; }

/* ── Forms ── */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.form-group label .required { color: var(--danger); }

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="tel"],
.form-group textarea,
.form-group select {
    width: 100%;
    height: 46px;
    padding: 0 14px;
    font-size: 14px;
    font-family: var(--font);
    color: var(--text);
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group textarea {
    height: auto;
    padding: 12px 14px;
    resize: vertical;
    min-height: 80px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-hint {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.char-counter {
    text-align: right;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-row {
    display: flex;
    gap: 16px;
}
.form-row .form-group { flex: 1; }

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.input-prefix {
    display: flex;
    align-items: center;
}

.input-prefix-text {
    height: 46px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
}

.input-prefix input {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important;
}

/* ── Alerts ── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid #FECACA;
}

.alert-success {
    background: var(--success-bg);
    color: #059669;
    border: 1px solid #A7F3D0;
}

/* ── Checkbox ── */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
    color: var(--text-secondary);
}
.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

/* ── Badge ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.badge-success { background: var(--success-bg); color: #059669; }
.badge-danger { background: var(--danger-bg); color: var(--danger); }

/* ── Toast ── */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-xl);
    font-size: 14px;
    font-weight: 500;
    transform: translateY(120px);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    max-width: 400px;
    border-left: 4px solid transparent;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.toast-success { border-left-color: var(--success); }
.toast.toast-success .toast-icon::before {
    content: '\f058'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--success);
}
.toast.toast-error { border-left-color: var(--danger); }
.toast.toast-error .toast-icon::before {
    content: '\f06a'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--danger);
}

/* ── Table ── */
.table-responsive { overflow-x: auto; }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th {
    text-align: left;
    padding: 12px 14px;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.admin-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.admin-table tr { transition: background var(--transition-fast); }
.admin-table tr:hover td { background: var(--bg); }

.admin-avatar {
    border-radius: 50%;
    object-fit: cover;
}

.admin-user-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ── Pagination ── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
}
.pagination-info { font-size: 13px; color: var(--text-muted); font-weight: 500; }

/* ── Color picker ── */
.color-picker-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.color-picker-row input[type="color"] {
    width: 50px;
    height: 46px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px;
    cursor: pointer;
    background: var(--surface);
}
.color-value { font-size: 14px; font-family: 'SF Mono', monospace; color: var(--text-muted); }

/* ── QR Preview ── */
.qr-preview-mini { margin-top: 12px; text-align: center; }
.qr-preview-mini img {
    display: inline-block;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-fade-in {
    animation: fadeIn 0.4s ease forwards;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .form-row { flex-direction: column; gap: 0; }
    .form-actions { flex-direction: column; }
    .form-actions .btn { width: 100%; }
}