/* ═══════════════════════════════════════════════════════════════
   Portal – Client Authentication Module Styles
   ═══════════════════════════════════════════════════════════════ */

:root {
    --portal-bg: #ffffff;
    --portal-surface: #f8f9fb;
    --portal-surface-2: #f1f3f7;
    --portal-text: #111827;
    --portal-text-muted: #6b7280;
    --portal-primary: #2563eb;
    --portal-primary-strong: #1d4ed8;
    --portal-primary-soft: rgba(37, 99, 235, 0.1);
    --portal-primary-rgb: 37, 99, 235;
    --portal-primary-text: #ffffff;
    --portal-border: #e5e7eb;
    --portal-border-strong: #d1d5db;
    --portal-radius: 1rem;
    --portal-radius-sm: 0.75rem;
    --portal-shadow: 0 1px 2px rgba(17, 24, 39, 0.04), 0 8px 24px rgba(17, 24, 39, 0.06);
    --portal-font: 'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --portal-success: #059669;
    --portal-danger: #dc2626;
    --portal-warning: #d97706;
}

html, body {
    background: var(--portal-bg);
    color: var(--portal-text);
    font-family: var(--portal-font);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Header */
.portal-header {
    background: var(--portal-bg);
    border-bottom: 1px solid var(--portal-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.95);
}

/* Forms */
.portal-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: var(--portal-radius-sm);
    border: 1px solid var(--portal-border);
    background: var(--portal-bg);
    color: var(--portal-text);
    font-size: 0.875rem;
    font-family: var(--portal-font);
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}
.portal-input:focus {
    border-color: var(--portal-primary);
    box-shadow: 0 0 0 3px var(--portal-primary-soft);
}
.portal-input.is-invalid {
    border-color: var(--portal-danger);
}

.portal-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--portal-text);
    margin-bottom: 0.375rem;
}

/* Buttons */
.portal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--portal-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--portal-font);
    cursor: pointer;
    transition: all 0.15s;
    border: none;
    text-decoration: none;
}
.portal-btn-primary {
    background: var(--portal-primary);
    color: var(--portal-primary-text);
}
.portal-btn-primary:hover {
    background: var(--portal-primary-strong);
}
.portal-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.portal-btn-outline {
    background: transparent;
    color: var(--portal-primary);
    border: 1px solid var(--portal-border);
}
.portal-btn-outline:hover {
    background: var(--portal-primary-soft);
    border-color: var(--portal-primary);
}

/* Cards */
.portal-card {
    background: var(--portal-bg);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius);
    box-shadow: var(--portal-shadow);
    padding: 1.5rem;
}

/* Alert */
.portal-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--portal-radius-sm);
    font-size: 0.8125rem;
    display: none;
}
.portal-alert.is-visible { display: block; }
.portal-alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
.portal-alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

/* Tabs */
.portal-tabs {
    display: flex;
    border-bottom: 2px solid var(--portal-border);
    margin-bottom: 1.5rem;
}
.portal-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--portal-text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}
.portal-tab.active {
    color: var(--portal-primary);
    border-bottom-color: var(--portal-primary);
}
.portal-tab:hover:not(.active) {
    color: var(--portal-text);
}

/* Badge */
.portal-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.portal-badge-success { background: #dcfce7; color: #166534; }
.portal-badge-danger { background: #fee2e2; color: #991b1b; }
.portal-badge-warning { background: #fef3c7; color: #92400e; }
.portal-badge-info { background: #dbeafe; color: #1e40af; }

/* Footer */
.portal-footer {
    border-top: 1px solid var(--portal-border);
    margin-top: 3rem;
}

/* Mobile menu */
.portal-mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0,0,0,0.5);
}
.portal-mobile-menu.is-open { display: flex; }
.portal-mobile-menu-panel {
    margin-left: auto;
    width: 80%;
    max-width: 320px;
    background: var(--portal-bg);
    padding: 1.5rem;
    overflow-y: auto;
}

/* Table */
.portal-table {
    width: 100%;
    border-collapse: collapse;
}
.portal-table th {
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--portal-text-muted);
    padding: 0.75rem;
    border-bottom: 2px solid var(--portal-border);
}
.portal-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--portal-border);
    font-size: 0.875rem;
}
.portal-table tr:hover { background: var(--portal-surface); }

/* Password visibility toggle */
.portal-password-wrap {
    position: relative;
}
.portal-password-toggle {
    position: absolute;
    right: 0.625rem;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: none;
    background: transparent;
    color: var(--portal-text-muted);
    cursor: pointer;
    border-radius: 0.5rem;
    padding: 0;
    transition: color 0.15s, background 0.15s;
}
.portal-password-toggle:hover {
    color: var(--portal-text);
    background: var(--portal-surface);
}
.portal-password-toggle:focus-visible {
    outline: 2px solid var(--portal-primary);
    outline-offset: 2px;
}
.portal-password-toggle .icon-eye-off {
    display: none;
}
.portal-password-toggle.is-visible .icon-eye {
    display: none;
}
.portal-password-toggle.is-visible .icon-eye-off {
    display: block;
}