/* =====================================================================
   Espace Établissement — Feuille de style principale
   Police : Quicksand (imposée) — aucune emoji, uniquement des icônes
   ===================================================================== */

:root {
    --color-bg: #F2F5FA;
    --color-surface: #FFFFFF;
    --color-surface-alt: #E9EEF6;
    --color-primary: #223A70;
    --color-primary-light: #3B5BA9;
    --color-primary-dark: #16274D;
    --color-accent: #DB9A2C;
    --color-success: #2E9E6A;
    --color-warning: #DB9A2C;
    --color-danger: #D64550;
    --color-info: #2E7FB8;
    --color-text: #1B2430;
    --color-muted: #6B7787;
    --color-border: #DDE3EE;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --shadow-sm: 0 1px 2px rgba(22, 39, 77, 0.06);
    --shadow-md: 0 8px 24px rgba(22, 39, 77, 0.08);

    --sidebar-width: 264px;
    --topbar-height: 68px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: 'Quicksand', -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Quicksand', sans-serif;
    font-weight: 700;
    color: var(--color-primary-dark);
    letter-spacing: 0.2px;
    margin: 0 0 8px;
}

a { color: var(--color-primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

/* ---------------------------------------------------------------------
   Layout général : sidebar + topbar + contenu
   --------------------------------------------------------------------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--color-primary-dark), var(--color-primary));
    color: #EAF0FF;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    display: flex;
    flex-direction: column;
    z-index: 40;
    transition: transform 0.25s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 20px;
    font-weight: 700;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.sidebar-brand i { font-size: 1.4rem; color: var(--color-accent); }

.sidebar-etab {
    padding: 14px 20px;
    font-size: 0.8rem;
    color: #C7D3EE;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-etab img { width: 28px; height: 28px; border-radius: 6px; object-fit: cover; background: #fff; }

.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    color: #DCE5F7;
    font-weight: 500;
    margin-bottom: 4px;
    transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-nav a i { width: 18px; text-align: center; color: #9FB2D9; transition: color .15s ease; }
.sidebar-nav a:hover, .sidebar-nav a.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
    text-decoration: none;
}
.sidebar-nav a.active i, .sidebar-nav a:hover i { color: var(--color-accent); }
.sidebar-nav .nav-section-title {
    text-transform: uppercase;
    font-size: 0.68rem;
    letter-spacing: 1px;
    color: #7E90B8;
    padding: 16px 14px 6px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.12);
}
.sidebar-footer .btn-logout {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #F0C4C4;
    font-weight: 600;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.9rem;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 30;
}
.topbar h1 { font-size: 1.15rem; margin: 0; }
.topbar .user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--color-muted);
}
.topbar .user-chip strong { color: var(--color-text); }
.topbar .avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--color-primary);
    cursor: pointer;
}

.content {
    padding: 28px;
    flex: 1;
}

/* ---------------------------------------------------------------------
   Cartes / stats
   --------------------------------------------------------------------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}
.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary-light);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.stat-card .stat-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--color-surface-alt);
    color: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 6px;
}
.stat-card .stat-value { font-size: 1.7rem; font-weight: 700; color: var(--color-primary-dark); }
.stat-card .stat-label { color: var(--color-muted); font-size: 0.85rem; }
.stat-card.accent { border-left-color: var(--color-accent); }
.stat-card.success { border-left-color: var(--color-success); }
.stat-card.danger { border-left-color: var(--color-danger); }

.card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 22px;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 10px;
}
.card-header h2 { font-size: 1.05rem; margin: 0; display: flex; align-items: center; gap: 10px; }
.card-header h2 i { color: var(--color-primary-light); }

/* ---------------------------------------------------------------------
   Boutons
   --------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.88rem;
    border: none;
    cursor: pointer;
    transition: filter 0.15s ease, transform 0.05s ease;
    text-decoration: none;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-outline { background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-border); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---------------------------------------------------------------------
   Formulaires
   --------------------------------------------------------------------- */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.86rem;
    margin-bottom: 7px;
    color: var(--color-text);
}
.form-group .hint { font-size: 0.78rem; color: var(--color-muted); margin-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

input[type=text], input[type=email], input[type=password], input[type=tel],
input[type=url], input[type=search], input[type=file], select, textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.92rem;
    background: #FBFCFE;
    color: var(--color-text);
    transition: border-color 0.15s ease;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(59, 91, 169, 0.15);
}
textarea { resize: vertical; min-height: 110px; }

.input-icon-wrap { position: relative; }
.input-icon-wrap i {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    color: var(--color-muted);
}
.input-icon-wrap input { padding-left: 40px; }

/* ---------------------------------------------------------------------
   Badges / statuts
   --------------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.badge-success { background: #E3F5EC; color: var(--color-success); }
.badge-warning { background: #FCF1DC; color: #A66E14; }
.badge-danger  { background: #FBE6E7; color: var(--color-danger); }
.badge-info    { background: #E3F0FA; color: var(--color-info); }
.badge-neutral { background: var(--color-surface-alt); color: var(--color-muted); }

/* ---------------------------------------------------------------------
   Tableaux
   --------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th {
    text-align: left;
    padding: 12px 14px;
    color: var(--color-muted);
    font-weight: 700;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 2px solid var(--color-border);
}
td { padding: 14px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #FAFBFE; }

.avatar-mini {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--color-surface-alt); color: var(--color-primary);
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.8rem;
}

/* ---------------------------------------------------------------------
   Tickets — fil de discussion
   --------------------------------------------------------------------- */
.ticket-list-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin-bottom: 10px;
    border-left-width: 4px;
    transition: box-shadow 0.15s ease;
}
.ticket-list-item:hover { box-shadow: var(--shadow-sm); text-decoration: none; }
.ticket-list-item.priorite-haute, .ticket-list-item.priorite-urgente { border-left-color: var(--color-danger); }
.ticket-list-item.priorite-normale { border-left-color: var(--color-primary-light); }
.ticket-list-item.priorite-basse { border-left-color: var(--color-muted); }
.ticket-list-item .ticket-icon {
    width: 42px; height: 42px; border-radius: 10px;
    background: var(--color-surface-alt); color: var(--color-primary);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ticket-list-item .ticket-meta { flex: 1; min-width: 0; color: var(--color-text); }
.ticket-list-item .ticket-meta .ticket-sujet { font-weight: 700; margin-bottom: 3px; }
.ticket-list-item .ticket-meta .ticket-sub { font-size: 0.8rem; color: var(--color-muted); }

.thread { display: flex; flex-direction: column; gap: 16px; margin-bottom: 20px; }
.thread-message {
    background: var(--color-surface-alt);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    max-width: 80%;
}
.thread-message.self { align-self: flex-end; background: #E3EEFC; }
.thread-message .msg-head {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.8rem; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 6px;
}
.thread-message .msg-head .role-tag { font-weight: 500; color: var(--color-muted); }
.thread-message .msg-body { white-space: pre-wrap; line-height: 1.55; }
.thread-message .msg-attachments { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.attachment-chip {
    display: inline-flex; align-items: center; gap: 6px;
    background: #fff; border: 1px solid var(--color-border);
    padding: 6px 10px; border-radius: 8px; font-size: 0.78rem;
}

/* ---------------------------------------------------------------------
   Page de connexion
   --------------------------------------------------------------------- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top left, #2C4B8F, var(--color-primary-dark));
    padding: 20px;
}
.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-md);
}
.auth-card .auth-brand {
    display: flex; align-items: center; gap: 12px; margin-bottom: 8px;
    color: var(--color-primary); font-weight: 700; font-size: 1.2rem;
}
.auth-card .auth-brand i { font-size: 1.6rem; color: var(--color-accent); }
.auth-card p.subtitle { color: var(--color-muted); margin-bottom: 26px; }

/* ---------------------------------------------------------------------
   Alertes / flash messages
   --------------------------------------------------------------------- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.88rem;
}
.alert-success { background: #E3F5EC; color: #1E7A50; }
.alert-error { background: #FBE6E7; color: #A82C36; }
.alert-info { background: #E3F0FA; color: #1D5E8C; }

.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--color-muted);
}
.empty-state i { font-size: 2.4rem; color: var(--color-border); margin-bottom: 14px; display: block; }

/* ---------------------------------------------------------------------
   Responsive
   --------------------------------------------------------------------- */
@media (max-width: 960px) {
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: inline-flex; }
    .content { padding: 18px; }
    .topbar { padding: 0 16px; }
}

@media (max-width: 560px) {
    .thread-message { max-width: 100%; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .auth-card { padding: 28px 22px; }
}

@media (max-width: 400px) {
    .stat-grid { grid-template-columns: 1fr; }
}