/* ===================================================================
   OPERA — design system "liquid glass" futuriste
   Palette : marine #14213A, rouge #C8102E, crème #EFEDE7, gris #8A94A6
   =================================================================== */

:root {
    --navy: #14213a;
    --navy-deep: #0a1122;
    --red: #c8102e;
    --red-bright: #e8203f;
    --cream: #efede7;
    --slate: #8a94a6;
    --ok: #3ddc84;
    --warn: #f5a623;

    --glass-bg: rgba(239, 237, 231, 0.06);
    --glass-bg-strong: rgba(239, 237, 231, 0.1);
    --glass-border: rgba(239, 237, 231, 0.16);
    --glass-highlight: rgba(255, 255, 255, 0.35);

    --radius-lg: 24px;
    --radius-md: 14px;
    --radius-sm: 8px;

    --ease: cubic-bezier(0.16, 1, 0.3, 1);

    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--cream);
    background: var(--navy-deep);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* -------------------------------------------------------------
   Fond animé : lueurs radiales + grille HUD + radar
   ------------------------------------------------------------- */

.backdrop {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 15% 20%, rgba(200, 16, 46, 0.22), transparent 40%),
        radial-gradient(circle at 85% 15%, rgba(138, 148, 166, 0.18), transparent 45%),
        radial-gradient(circle at 50% 90%, rgba(200, 16, 46, 0.14), transparent 50%),
        linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 55%, #101b32 100%);
    animation: drift 22s ease-in-out infinite alternate;
}

.backdrop::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(239, 237, 231, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(239, 237, 231, 0.05) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(circle at 50% 30%, black, transparent 75%);
    opacity: 0.5;
}

.backdrop::after {
    content: "";
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60vmax;
    height: 60vmax;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 0deg, rgba(200, 16, 46, 0.16) 25deg, transparent 55deg, transparent 360deg);
    animation: radar-sweep 9s linear infinite;
    opacity: 0.6;
}

@keyframes drift {
    0% { background-position: 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 30px -20px, -20px 30px, 15px 15px, 0 0; }
}

@keyframes radar-sweep {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .backdrop, .backdrop::after { animation: none; }
}

/* -------------------------------------------------------------
   Liquid glass — composant de base
   ------------------------------------------------------------- */

.glass {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}

.glass::before {
    content: "";
    position: absolute;
    top: 0;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
    opacity: 0.6;
}

/* -------------------------------------------------------------
   En-tête
   ------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.5rem;
    background: rgba(10, 17, 34, 0.55);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--glass-border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--cream);
}

.brand img {
    height: 34px;
    width: auto;
    border-radius: 8px;
    display: block;
}

.brand-name {
    font-family: var(--font-mono);
    letter-spacing: 0.14em;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--cream);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.status-pill {
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: var(--slate);
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
}

@media (min-width: 640px) {
    .status-pill { display: inline-flex; }
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 8px var(--ok);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* -------------------------------------------------------------
   Boutons
   ------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
    font-family: inherit;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--red-bright), var(--red));
    color: var(--cream);
    box-shadow: 0 4px 20px rgba(200, 16, 46, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 28px rgba(200, 16, 46, 0.55);
    transform: translateY(-1px);
}

.btn-ghost {
    background: var(--glass-bg);
    color: var(--cream);
    border-color: var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: var(--glass-bg-strong);
    border-color: rgba(239, 237, 231, 0.3);
}

.btn-block {
    width: 100%;
}

/* -------------------------------------------------------------
   Pages d'authentification
   ------------------------------------------------------------- */

.auth-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.25rem;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    padding: 2.25rem 2rem 2rem;
    animation: rise 0.5s var(--ease) both;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-card-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.auth-card-header img {
    height: 88px;
    width: auto;
    margin-bottom: 1rem;
    border-radius: 10px;
}

.auth-card-header h1 {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    letter-spacing: 0.06em;
    margin: 0 0 0.35rem;
    color: var(--cream);
}

.auth-card-header p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--slate);
}

.form-group {
    margin-bottom: 1.15rem;
}

.form-group label {
    display: block;
    font-size: 0.78rem;
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
    color: var(--slate);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.9rem;
    background: rgba(10, 17, 34, 0.35);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--cream);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-control::placeholder {
    color: rgba(239, 237, 231, 0.35);
}

.form-control:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.22);
}

.form-control.is-invalid {
    border-color: var(--red);
}

.form-control.is-valid {
    border-color: var(--ok);
}

.field-hint {
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--slate);
}

.field-error {
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--red-bright);
}

.field-ok {
    color: var(--ok);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(200, 16, 46, 0.4);
    background: rgba(200, 16, 46, 0.12);
    color: var(--cream);
}

.auth-switch {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--slate);
}

.auth-switch a {
    color: var(--cream);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--red);
}

/* Indicateur de robustesse du mot de passe */

.strength-meter {
    display: flex;
    gap: 4px;
    margin-top: 0.5rem;
}

.strength-meter span {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: rgba(239, 237, 231, 0.14);
    transition: background 0.25s var(--ease);
}

.strength-label {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--slate);
}

/* -------------------------------------------------------------
   Accueil
   ------------------------------------------------------------- */

.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.25rem;
}

.hero-card {
    width: 100%;
    max-width: 640px;
    padding: 3rem 2.5rem;
    text-align: center;
    animation: rise 0.6s var(--ease) both;
}

.hero-card img {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin-bottom: 1.75rem;
}

.hero-card h1 {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    color: var(--slate);
    text-transform: uppercase;
    margin: 0 0 0.75rem;
}

.hero-card p {
    color: var(--cream);
    line-height: 1.6;
    margin: 0 0 2rem;
    opacity: 0.85;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* -------------------------------------------------------------
   Footer
   ------------------------------------------------------------- */

.site-footer {
    text-align: center;
    padding: 1.25rem;
    font-size: 0.75rem;
    color: var(--slate);
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
}

/* -------------------------------------------------------------
   404
   ------------------------------------------------------------- */

.error-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.25rem;
}

.error-card {
    max-width: 420px;
    padding: 2.5rem;
    text-align: center;
}

.error-card h1 {
    font-family: var(--font-mono);
    font-size: 3rem;
    margin: 0 0 0.5rem;
    color: var(--red-bright);
}

/* -------------------------------------------------------------
   Application connectée — sidenav
   ------------------------------------------------------------- */

.app-shell {
    flex: 1;
    display: flex;
    align-items: flex-start;
    min-height: 100vh;
}

.sidenav {
    width: 240px;
    height: 100vh;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    border-radius: 0;
    border-top: none;
    border-bottom: none;
    border-left: none;
}

.sidenav-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
    margin-bottom: 2rem;
}

.sidenav-brand img {
    height: 64px;
    width: auto;
    border-radius: 12px;
}

.sidenav-nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1;
}

.sidenav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.9rem;
    border-radius: var(--radius-sm);
    color: var(--slate);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.sidenav-link:hover {
    background: var(--glass-bg);
    color: var(--cream);
}

.sidenav-link.active {
    background: rgba(200, 16, 46, 0.14);
    color: var(--cream);
    border-left-color: var(--red);
}

.sidenav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidenav-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sidenav-username {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--cream);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--red-bright), var(--red));
    color: var(--cream);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9rem;
}

.user-menu {
    position: relative;
}

.user-menu summary {
    list-style: none;
    cursor: pointer;
}

.user-menu summary::-webkit-details-marker {
    display: none;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s var(--ease);
}

.user-menu-trigger:hover,
.user-menu[open] .user-menu-trigger {
    background: var(--glass-bg);
}

.user-menu-items {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.4rem;
    background: rgba(10, 17, 34, 0.9);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 30;
}

.user-menu-item {
    display: block;
    width: 100%;
    padding: 0.55rem 0.7rem;
    border-radius: var(--radius-sm);
    background: none;
    border: none;
    color: var(--cream);
    text-decoration: none;
    text-align: left;
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s var(--ease);
}

.user-menu-item:hover {
    background: var(--glass-bg-strong);
}

.user-menu-item-btn {
    color: var(--red-bright);
}

.app-content {
    flex: 1;
    min-width: 0;
    padding: 2rem;
}

.content-panel {
    min-height: calc(100vh - 4rem);
    padding: 2rem;
}

.content-panel h1 {
    font-family: var(--font-mono);
    letter-spacing: 0.06em;
    font-size: 1.3rem;
    margin: 0 0 0.75rem;
}

.profile-fields {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.profile-field p {
    margin: 0.35rem 0 0;
    font-size: 1rem;
}

@media (max-width: 720px) {
    .app-shell {
        flex-direction: column;
    }

    .sidenav {
        width: auto;
        height: auto;
        position: static;
        flex-direction: row;
        align-items: center;
        padding: 0.75rem 1rem;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }

    .sidenav-brand {
        margin-bottom: 0;
    }

    .sidenav-nav {
        flex-direction: row;
        flex: 1;
        justify-content: center;
    }

    .sidenav-footer {
        padding-top: 0;
        border-top: none;
        flex-direction: row;
    }

    .sidenav-username {
        display: none;
    }

    .user-menu-items {
        bottom: auto;
        top: calc(100% + 8px);
        left: auto;
        right: 0;
        width: 180px;
    }
}

/* -------------------------------------------------------------
   Administration
   ------------------------------------------------------------- */

.admin-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.admin-toolbar h1 {
    margin: 0;
}

.data-table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table th,
.data-table td {
    padding: 0.75rem 0.9rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
    white-space: nowrap;
}

.data-table th {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--slate);
    font-weight: 600;
}

.data-table tbody tr:hover {
    background: var(--glass-bg);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    letter-spacing: 0.03em;
    margin: 0.15rem 0.3rem 0.15rem 0;
}

.badge-ok {
    background: rgba(61, 220, 132, 0.14);
    color: var(--ok);
}

.badge-off {
    background: rgba(138, 148, 166, 0.14);
    color: var(--slate);
}

.badge-admin {
    background: rgba(200, 16, 46, 0.16);
    color: var(--red-bright);
}

.table-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
}

.btn-danger {
    background: transparent;
    border: 1px solid rgba(200, 16, 46, 0.4);
    color: var(--red-bright);
}

.btn-danger:hover {
    background: rgba(200, 16, 46, 0.14);
}

.form-card {
    max-width: 560px;
}

.form-card-wide {
    max-width: none;
}

.form-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 860px) {
    .form-columns {
        grid-template-columns: 1fr;
    }
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.checkbox-field input {
    width: 16px;
    height: 16px;
}

.checkbox-field label {
    margin: 0;
    text-transform: none;
    font-size: 0.9rem;
    color: var(--cream);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.breadcrumb-back {
    display: inline-block;
    margin-bottom: 1.25rem;
    color: var(--slate);
    text-decoration: none;
    font-size: 0.85rem;
    font-family: var(--font-mono);
}

.breadcrumb-back:hover {
    color: var(--cream);
}

select.form-control {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--slate) 50%), linear-gradient(135deg, var(--slate) 50%, transparent 50%);
    background-position: calc(100% - 20px) center, calc(100% - 15px) center;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
}

.station-map {
    height: 420px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    overflow: hidden;
}

.station-marker {
    background: transparent;
    border: none;
}