/* ==========================================
   SIC Terrain — PWA Styles (Mobile-First, Dark Mode)
   ========================================== */

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

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #334155;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --header-h: 56px;
    --nav-h: 64px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html,
body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100%;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
}

/* --- Offline Banner --- */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: #000;
    text-align: center;
    padding: 6px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.offline-banner.hidden {
    transform: translateY(-100%);
}

/* --- Header --- */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 900;
    backdrop-filter: blur(10px);
}

.app-header.hidden {
    display: none;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-logo {
    font-size: 1.4rem;
}

.header-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sync-badge {
    background: var(--warning);
    color: #000;
    font-size: 0.7rem;
    font-weight: 800;
    min-width: 22px;
    height: 22px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    animation: pulse 2s infinite;
}

.sync-badge.hidden {
    display: none;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.btn-icon:hover {
    background: var(--bg-input);
}

/* --- Pages --- */
.page {
    display: none;
    height: 100dvh;
    overflow-y: auto;
    padding: 16px;
}

.page.active {
    display: block;
}

#page-login {
    padding-top: 0;
}

#page-list,
#page-demandes,
#page-form,
#page-notifs {
    padding-top: calc(var(--header-h) + 16px);
    padding-bottom: calc(var(--nav-h) + 24px);
}

/* --- Login --- */
.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 32px 24px;
}

.login-logo {
    font-size: 4rem;
    margin-bottom: 8px;
}

.login-container h1 {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.login-container form {
    width: 100%;
    max-width: 360px;
}

.error-msg {
    color: var(--danger);
    text-align: center;
    font-size: 0.85rem;
    margin-top: 12px;
}

.error-msg.hidden {
    display: none;
}

/* --- Forms --- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

input,
select,
textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 12px 14px;
    font-size: 1rem;
    font-family: var(--font);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

textarea {
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-actions {
    margin-top: 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #6366f1);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), #4f46e5);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 12px;
    font-size: 0.9rem;
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-warning {
    background: var(--warning);
    color: #000;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

/* --- Page Header --- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.page-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
}

/* --- Filter Bar --- */
.filter-bar {
    margin-bottom: 16px;
}

.filter-bar select {
    padding: 8px 12px;
    font-size: 0.85rem;
    background: var(--bg-card);
}

/* --- Card List --- */
.card-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.15s;
}

.card:hover {
    border-color: var(--accent);
}

.card:active {
    transform: scale(0.98);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.card-machine {
    font-weight: 700;
    font-size: 1rem;
}

.card-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-en-cours {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
}

.badge-assignee {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.badge-en-route {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-terminee {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-cloturee {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
}

.badge-attente {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-offline {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
    font-size: 0.65rem;
    margin-left: 6px;
}

.badge-haute {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-moyenne {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-basse {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.card-detail {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- Diagnostic Section --- */
#diagnostic-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin: 16px 0;
}

#diagnostic-section h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 12px;
}

/* --- Bottom Nav --- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-around;
    z-index: 900;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav.hidden {
    display: none;
}

.nav-item {
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: color 0.2s;
}

.nav-item.active {
    color: var(--accent);
}

.nav-icon {
    font-size: 1.3rem;
}

.nav-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* --- Toast --- */
.toast {
    position: fixed;
    bottom: calc(var(--nav-h) + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 20px;
    font-size: 0.85rem;
    box-shadow: var(--shadow);
    z-index: 2000;
    transition: transform 0.3s ease;
    max-width: 90%;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast-success {
    border-color: var(--success);
}

.toast-error {
    border-color: var(--danger);
}

/* --- Empty state --- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 0.9rem;
}

/* --- Notification Badge --- */
.notif-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--danger);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 800;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    animation: pulse 2s infinite;
}

.notif-badge.hidden {
    display: none;
}

.notif-badge-nav {
    position: absolute;
    top: -4px;
    right: -8px;
    background: var(--danger);
    color: #fff;
    font-size: 0.55rem;
    font-weight: 800;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
}

.notif-badge-nav.hidden {
    display: none;
}

/* --- Notification Cards --- */
.notif-card.notif-unread {
    border-left: 3px solid var(--accent);
    background: rgba(59, 130, 246, 0.05);
}

.notif-card.notif-read {
    opacity: 0.7;
}

.btn-notif-read {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    border: none;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-notif-read:hover {
    background: rgba(59, 130, 246, 0.3);
}

.notif-bell {
    position: relative;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}