/* ── Variables Alternetis ──────────────────────────────────────── */
:root {
    --primary:       #1B3A5C;   /* Marine foncé */
    --primary-hover: #142C46;
    --secondary:     #2B5F8E;   /* Bleu moyen */
    --orange:        #E87722;   /* Orange Alternetis */
    --success:       #17A05E;
    --warning:       #D97706;
    --danger:        #DC2626;
    --bg:            #F0F4F8;
    --card-bg:       #FFFFFF;
    --border:        #DDE8F0;
    --text:          #1B3A5C;
    --text-muted:    #64748B;
    --shadow:        0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --header-height: 64px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; }

/* ── Wrapper ───────────────────────────────────────────────────── */
.portal-wrapper { min-height: 100vh; display: flex; flex-direction: column; }

/* ── Header ────────────────────────────────────────────────────── */
.portal-header {
    background: linear-gradient(180deg, #1B3A5C 0%, #142C46 100%);
    color: #fff;
    height: var(--header-height);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,.25);
    position: sticky;
    top: 0;
    z-index: 100;
}
.portal-logo { font-size: 1.2rem; font-weight: 700; color: #fff; text-decoration: none; white-space: nowrap; letter-spacing: .01em; }
.portal-nav { display: flex; gap: .25rem; flex: 1; }
.portal-nav a {
    color: rgba(255,255,255,.80);
    text-decoration: none;
    padding: .4rem 1rem;
    border-radius: 4px;
    font-size: .9rem;
    font-weight: 500;
    transition: background .15s, color .15s, border-left .15s;
}
.portal-nav a:hover { background: rgba(232,119,34,.18); color: #fff; }
.portal-nav a.active { background: rgba(232,119,34,.25); color: #fff; border-left: 3px solid var(--orange); padding-left: calc(1rem - 3px); }
.portal-user { display: flex; align-items: center; gap: .75rem; font-size: .875rem; white-space: nowrap; }
.btn-logout {
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.25);
    color: #fff;
    padding: .35rem .75rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: .85rem;
    transition: background .15s;
}
.btn-logout:hover { background: rgba(232,119,34,.35); border-color: var(--orange); }

/* ── Main content ──────────────────────────────────────────────── */
.portal-main { flex: 1; padding: 2rem; max-width: 1280px; width: 100%; margin: 0 auto; }
.page-title { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 1.5rem; }
.page-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.5rem; }

/* ── Cards ─────────────────────────────────────────────────────── */
.card { background: var(--card-bg); border: 1px solid var(--primary); border-radius: 4px; box-shadow: var(--shadow); transition: box-shadow .2s ease; }
.card:hover { box-shadow: 0 1px 4px rgba(0,0,0,.12), 0 3px 8px rgba(0,0,0,.16); }
.card-body { padding: 1.5rem; }
.card-header {
    padding: .6rem 1rem;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    font-size: .9rem;
    border-radius: 3px 3px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header .btn-secondary { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.3); color: #fff; }
.card-header .btn-secondary:hover { background: rgba(255,255,255,.22); }

/* ── Stat cards ────────────────────────────────────────────────── */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.25rem; margin-bottom: 2rem; }
.stat-card {
    padding: 1.25rem 1.5rem;
    border-radius: 4px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--border);
    transition: box-shadow .2s, transform .15s;
}
.stat-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,.14); transform: translateY(-1px); }
.stat-card.primary { border-left-color: var(--primary); }
.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--orange); }
.stat-card.danger  { border-left-color: var(--danger); }
.stat-value { font-size: 2rem; font-weight: 700; line-height: 1.1; color: var(--primary); }
.stat-label { font-size: .8rem; color: var(--text-muted); margin-top: .25rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

/* ── Tables ────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead th {
    padding: .5rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    white-space: nowrap;
    background: var(--primary);
    color: #fff;
}
tbody td { padding: .65rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) td { background: #EEF3FA; }
tbody tr:hover td { background: #DDE8F0 !important; }
tfoot td { background: var(--bg); }

/* ── Badges ────────────────────────────────────────────────────── */
.badge { display: inline-block; padding: .2rem .55rem; border-radius: 10px; font-size: .72rem; font-weight: 600; line-height: 1.4; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger  { background: #FEE2E2; color: #991B1B; }
.badge-info    { background: #DDE8F0; color: #1B3A5C; }
.badge-gray    { background: #E0E0E0; color: #475569; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: .375rem; padding: .5rem 1rem; border-radius: 4px; font-size: .875rem; font-weight: 600; border: 1.5px solid transparent; cursor: pointer; text-decoration: none; transition: all .15s; line-height: 1.4; }
.btn-primary { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-primary:hover { background: var(--primary); border-color: var(--primary); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }
.btn-secondary { background: #fff; color: var(--primary); border: 1.5px solid var(--secondary); }
.btn-secondary:hover { background: var(--bg); border-color: var(--primary); }
.btn-sm { padding: .3rem .7rem; font-size: .8rem; border-radius: 3px; }

/* ── Forms ─────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .375rem; color: var(--primary); }
.form-control {
    width: 100%; padding: .5rem .75rem;
    border: 1px solid var(--secondary); border-radius: 3px;
    font-size: .875rem; outline: none;
    transition: border-color .15s, box-shadow .15s;
    background: #fff; color: var(--text);
    appearance: auto;
}
.form-control:focus { border-color: var(--orange); box-shadow: 0 0 0 2px rgba(232,119,34,.25); }
textarea.form-control { resize: vertical; min-height: 100px; font-family: inherit; }
select.form-control { cursor: pointer; }

/* ── Filters ───────────────────────────────────────────────────── */
.filters { display: flex; gap: .5rem; margin-bottom: 1.25rem; flex-wrap: wrap; }

/* ── Tabs ──────────────────────────────────────────────────────── */
.tab-list { display: flex; border-bottom: 2px solid var(--primary); margin-bottom: 1.5rem; gap: 0; }
.tab-btn { padding: .65rem 1.5rem; font-size: .9rem; font-weight: 500; border: 1px solid #ccc; border-bottom: none; border-radius: 6px 6px 0 0; background: #f0f2f5; cursor: pointer; color: var(--text-muted); transition: background .15s; margin-bottom: -2px; }
.tab-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); border-bottom: 2px solid var(--orange); }
.tab-btn:hover:not(.active) { background: var(--bg); color: var(--primary); }

/* ── Login ─────────────────────────────────────────────────────── */
.login-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #F0F4F8 0%, #DDE8F0 50%, #c8d9eb 100%); padding: 1rem; }
.login-card { background: #fff; border-radius: 4px; padding: 2.5rem; width: 100%; max-width: 420px; box-shadow: 0 20px 60px rgba(27,58,92,.25); border: none; }
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo h1 { font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.login-logo p { color: var(--text-muted); font-size: .9rem; margin-top: .375rem; }
.login-error { background: #FEE2E2; color: #991B1B; padding: .75rem 1rem; border-radius: 4px; font-size: .875rem; margin-bottom: 1rem; border: 1px solid #FECACA; }
.login-btn { width: 100%; padding: .75rem; font-size: 1rem; margin-top: .5rem; justify-content: center; }

/* ── Alerts ────────────────────────────────────────────────────── */
.alert { padding: 1rem 1.25rem; border-radius: 4px; margin-bottom: 1.25rem; font-size: .875rem; }
.alert-warning { background: #FEF3C7; color: #92400E; border: 1px solid #FDE68A; }
.alert-info    { background: #DDE8F0; color: #1B3A5C; border: 1px solid #2B5F8E; }

/* ── Loading ───────────────────────────────────────────────────── */
.loading { display: flex; align-items: center; justify-content: center; padding: 4rem 2rem; color: var(--text-muted); gap: .75rem; font-size: .9rem; }
.spinner { width: 22px; height: 22px; border: 3px solid var(--border); border-top-color: var(--orange); border-radius: 50%; animation: spin .7s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ───────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 3.5rem 2rem; color: var(--text-muted); }
.empty-state h3 { font-size: 1.1rem; margin-bottom: .5rem; color: var(--text); }
.empty-state p { font-size: .9rem; }

/* ── Detail view ───────────────────────────────────────────────── */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.detail-item { display: grid; grid-template-columns: 145px 1fr; gap: .5rem; padding: .5rem 0; border-bottom: 1px dashed var(--secondary); align-items: start; }
.detail-item:last-child { border-bottom: none; }
.detail-label { font-size: .8rem; font-weight: 600; color: var(--text-muted); padding-top: .1rem; }
.detail-value { font-size: .9rem; color: var(--text); }

/* ── Amounts ───────────────────────────────────────────────────── */
.amount-positive { color: var(--danger); font-weight: 600; }
.amount-neutral  { color: var(--success); font-weight: 600; }

/* ── Link ──────────────────────────────────────────────────────── */
.link { color: var(--secondary); text-decoration: none; }
.link:hover { color: var(--primary); text-decoration: underline; }
a { color: var(--secondary); }
a:hover { color: var(--primary); }

/* ── Validation ────────────────────────────────────────────────── */
.validation-message { color: var(--danger); font-size: .8rem; margin-top: .25rem; }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .portal-header { padding: 0 1rem; gap: 1rem; }
    .portal-nav { display: none; }
    .portal-main { padding: 1rem; }
    .stat-cards { grid-template-columns: 1fr 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; gap: .75rem; align-items: flex-start; }
}

@media (max-width: 480px) {
    .stat-cards { grid-template-columns: 1fr; }
    .login-card { padding: 1.75rem; }
}

/* ── Error UI ──────────────────────────────────────────────────── */
#blazor-error-ui { background: #FEF3C7; color: #92400E; position: fixed; bottom: 0; left: 0; right: 0; padding: .75rem 1.5rem; display: none; justify-content: space-between; align-items: center; z-index: 9999; }
#blazor-error-ui.blazor-error-bound { display: flex; }