/* Portails parent / élève / enseignant */
:root {
    --portal-accent: #2563eb;
    --portal-accent-dark: #1d4ed8;
    --portal-bg: #eef2ff;
    --portal-surface: #ffffff;
    --portal-border: #e2e8f0;
    --portal-muted: #64748b;
}

body.portal-page {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 28%),
        linear-gradient(180deg, #f8fafc 0%, var(--portal-bg) 100%);
    color: #0f172a;
}

body.portal-page[data-portal="parent"] {
    --portal-accent: #059669;
    --portal-accent-dark: #047857;
    --portal-bg: #ecfdf5;
}

body.portal-page[data-portal="student"] {
    --portal-accent: #4f46e5;
    --portal-accent-dark: #4338ca;
    --portal-bg: #eef2ff;
}

body.portal-page[data-portal="teacher"] {
    --portal-accent: #d97706;
    --portal-accent-dark: #b45309;
    --portal-bg: #fff7ed;
}

.portal-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--portal-border);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.portal-topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.portal-brand {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    min-width: 0;
}

.portal-brand-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 1.35rem;
    background: linear-gradient(135deg, var(--portal-accent), var(--portal-accent-dark));
    color: #fff;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.18);
    flex-shrink: 0;
}

.portal-brand-text strong {
    display: block;
    font-size: 1rem;
    line-height: 1.3;
}

.portal-brand-text span {
    display: block;
    color: var(--portal-muted);
    font-size: 0.875rem;
}

.portal-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.portal-lang-switch {
    display: inline-flex;
    padding: 0.2rem;
    border-radius: 999px;
    background: #f1f5f9;
    border: 1px solid var(--portal-border);
}

.portal-lang-switch a {
    min-width: 42px;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    text-decoration: none;
    color: var(--portal-muted);
    font-size: 0.8125rem;
    font-weight: 700;
    text-align: center;
}

.portal-lang-switch a.active {
    background: var(--portal-accent);
    color: #fff;
}

.portal-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 2.5rem;
}

.portal-hero {
    background: linear-gradient(135deg, var(--portal-accent), var(--portal-accent-dark));
    color: #fff;
    border-radius: 20px;
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.portal-hero h1 {
    margin: 0 0 0.35rem;
    color: #fff;
    font-size: 1.65rem;
}

.portal-hero p {
    margin: 0;
    opacity: 0.92;
}

.portal-tabs {
    display: flex;
    gap: 0.625rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.portal-tabs a {
    padding: 0.625rem 1rem;
    border-radius: 999px;
    background: var(--portal-surface);
    border: 1px solid var(--portal-border);
    text-decoration: none;
    color: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.portal-tabs a:hover {
    border-color: var(--portal-accent);
    color: var(--portal-accent);
}

.portal-tabs a.active {
    background: var(--portal-accent);
    border-color: var(--portal-accent);
    color: #fff;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.18);
}

.portal-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.portal-stat {
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 16px;
    padding: 1rem 1.1rem;
}

.portal-stat-label {
    display: block;
    font-size: 0.8125rem;
    opacity: 0.85;
    margin-bottom: 0.35rem;
}

.portal-stat-value {
    font-size: 1.35rem;
    font-weight: 700;
}

.portal-card {
    background: var(--portal-surface);
    border: 1px solid var(--portal-border);
    border-radius: 18px;
    padding: 1.25rem 1.35rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.portal-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.portal-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(37, 99, 235, 0.08);
    font-size: 1.125rem;
}

.portal-card h2,
.portal-card h3,
.portal-card h4 {
    margin: 0;
}

.portal-card h3 {
    font-size: 1.125rem;
}

.portal-card-subtitle {
    color: var(--portal-muted);
    font-size: 0.9375rem;
    margin-top: 0.35rem;
}

.portal-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--portal-border);
    border-radius: 14px;
}

.portal-card table {
    width: 100%;
    border-collapse: collapse;
    min-width: 520px;
}

.portal-card thead {
    background: #f8fafc;
}

.portal-card th,
.portal-card td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--portal-border);
    font-size: 0.9375rem;
}

.portal-card tbody tr:last-child td {
    border-bottom: none;
}

.portal-card tbody tr:hover {
    background: #f8fafc;
}

.portal-empty {
    color: var(--portal-muted);
    padding: 1rem 0 0.25rem;
}

.portal-alert {
    border-radius: 16px;
    padding: 1rem 1.25rem;
}

/* Formulaire public (pré-inscription) */
.login-container-wide {
    max-width: 760px;
}

.public-form-card .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.public-form-card .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.public-form-card .form-control,
.public-form-card textarea.form-control {
    width: 100%;
    padding: 0.8rem 0.95rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: #f8fafc;
    font: inherit;
}

.public-form-card .form-control:focus,
.public-form-card textarea.form-control:focus {
    outline: none;
    border-color: var(--login-accent, #2563eb);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.public-form-card .span-full {
    grid-column: 1 / -1;
}

@media (max-width: 640px) {
    .portal-topbar-inner,
    .portal-actions {
        width: 100%;
    }

    .portal-actions {
        justify-content: space-between;
    }

    .portal-hero {
        padding: 1.25rem;
    }

    .portal-hero h1 {
        font-size: 1.35rem;
    }
}