/* Customer Support Portal — reuses --pm-* design tokens */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

:root {
    --pm-bg: #F7F7F7;
    --pm-surface: #ffffff;
    --pm-surface-2: #F7F7F7;
    --pm-border: #CFD6E2;
    --pm-border-strong: #B8C0CE;
    --pm-text: #0F172A;
    --pm-text-muted: #878787;
    --pm-text-subtle: #A3A3A3;
    --pm-primary: #4769FF;
    --pm-primary-hover: #3557F0;
    --pm-primary-soft: #EEF1FF;
    --pm-primary-ring: rgba(71, 105, 255, 0.28);
    --pm-success: #059669;
    --pm-success-soft: #ecfdf5;
    --pm-warning: #d97706;
    --pm-warning-soft: #fffbeb;
    --pm-danger: #dc2626;
    --pm-danger-soft: #fef2f2;
    --pm-radius: 12px;
    --pm-radius-sm: 8px;
    --pm-radius-lg: 14px;
    --pm-shadow: none;
    --pm-shadow-md: none;
    --pm-font: "DM Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.portal-body {
    font-family: var(--pm-font);
    background: var(--pm-bg);
    color: var(--pm-text);
    min-height: 100vh;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

.portal-shell { min-height: 100vh; display: flex; flex-direction: column; }

.portal-topbar {
    background: var(--pm-surface);
    border-bottom: 1px solid var(--pm-border);
    box-shadow: none;
    position: sticky;
    top: 0;
    z-index: 40;
}

.portal-topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.portal-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--pm-text);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.portal-brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--pm-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}

.portal-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.portal-nav a {
    color: var(--pm-text-muted);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: var(--pm-radius-sm);
}

.portal-nav a:hover,
.portal-nav a.is-active {
    color: var(--pm-primary);
    background: var(--pm-primary-soft);
}

.portal-user-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--pm-text-muted);
}

.portal-user-meta strong { color: var(--pm-text); font-weight: 600; }

.portal-menu-toggle {
    display: none;
    border: 1px solid var(--pm-border-strong);
    background: var(--pm-surface);
    border-radius: var(--pm-radius-sm);
    padding: 8px 12px;
    font-weight: 600;
    cursor: pointer;
}

.portal-main {
    flex: 1;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 28px 20px 48px;
}

.portal-page-header {
    margin-bottom: 22px;
}

.portal-page-header h1 {
    font-size: 1.65rem;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
}

.portal-page-header p { color: var(--pm-text-muted); }

.portal-kpi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 22px;
}

.portal-kpi-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.portal-account-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 22px;
}

.portal-kpi {
    background: var(--pm-surface);
    border: 1px solid var(--pm-border);
    border-radius: var(--pm-radius);
    padding: 18px 18px 16px;
    box-shadow: var(--pm-shadow);
}

.portal-kpi span {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--pm-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.portal-kpi strong {
    font-size: 1.6rem;
    letter-spacing: -0.03em;
}

.portal-kpi small {
    display: block;
    margin-top: 6px;
    color: var(--pm-text-subtle);
    font-size: 12px;
}

.portal-card {
    background: var(--pm-surface);
    border: 1px solid var(--pm-border);
    border-radius: var(--pm-radius-lg);
    box-shadow: var(--pm-shadow);
    margin-bottom: 18px;
    overflow: hidden;
}

.portal-card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--pm-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.portal-card-header h2 {
    font-size: 1rem;
    font-weight: 700;
}

.portal-card-body { padding: 18px; }

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

.portal-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.portal-table th,
.portal-table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--pm-border);
    vertical-align: middle;
}

.portal-table th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--pm-text-muted);
    background: var(--pm-surface-2);
}

.portal-table tr:last-child td { border-bottom: none; }
.portal-table tbody tr:hover { background: var(--pm-primary-soft); }

.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.badge-open, .badge-in_progress { background: var(--pm-primary-soft); color: var(--pm-primary-hover); }
.badge-waiting, .badge-on_hold { background: var(--pm-warning-soft); color: #92400e; }
.badge-resolved, .badge-completed, .badge-closed, .badge-active, .badge-paid { background: var(--pm-success-soft); color: #047857; }
.badge-pending, .badge-partial { background: #fef3c7; color: #92400e; }
.badge-disabled, .badge-cancelled, .badge-inactive { background: var(--pm-danger-soft); color: #991b1b; }
.badge-allowed { background: var(--pm-success-soft); color: #047857; }
.badge-restricted { background: var(--pm-surface-2); color: var(--pm-text-muted); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    border-radius: var(--pm-radius-sm);
    padding: 10px 16px;
    font-family: var(--pm-font);
    font-size: 14px;
    font-weight: 650;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary { background: var(--pm-primary); color: #fff; }
.btn-primary:hover { background: var(--pm-primary-hover); color: #fff; }
.btn-secondary { background: var(--pm-surface-2); color: var(--pm-text); border: 1px solid var(--pm-border-strong); }
.btn-secondary:hover { background: var(--pm-border); color: var(--pm-text); }
.btn-danger { background: var(--pm-danger); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

.alert {
    padding: 12px 14px;
    border-radius: var(--pm-radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 500;
}
.alert-success { background: var(--pm-success-soft); color: #047857; border: 1px solid #a7f3d0; }
.alert-error { background: var(--pm-danger-soft); color: #991b1b; border: 1px solid #fecaca; }

.portal-form-group { margin-bottom: 16px; }
.portal-form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
}
.portal-form-group input,
.portal-form-group select,
.portal-form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--pm-border-strong);
    border-radius: var(--pm-radius-sm);
    font-family: var(--pm-font);
    font-size: 14px;
    background: var(--pm-surface);
    color: var(--pm-text);
}
.portal-form-group input:focus,
.portal-form-group select:focus,
.portal-form-group textarea:focus {
    outline: none;
    border-color: var(--pm-primary);
    box-shadow: 0 0 0 3px var(--pm-primary-ring);
}
.portal-form-group textarea { min-height: 140px; resize: vertical; }
.portal-form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

.portal-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
    align-items: end;
}
.portal-filters .portal-form-group { margin-bottom: 0; min-width: 160px; }

.portal-thread { display: flex; flex-direction: column; gap: 16px; }
.portal-comment {
    border: 1px solid var(--pm-border);
    border-radius: var(--pm-radius);
    padding: 14px 16px;
    background: var(--pm-surface-2);
}
.portal-comment.is-staff { background: var(--pm-primary-soft); border-color: var(--pm-border-strong); }
.portal-comment-meta {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--pm-text-muted);
}
.portal-comment-body { white-space: pre-wrap; word-break: break-word; }

.portal-page-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    flex-wrap: wrap;
}

.portal-ticket-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 18px;
    padding: 20px 22px;
    background:
        linear-gradient(135deg, rgba(71, 105, 255, 0.08), transparent 55%),
        var(--pm-surface);
    border: 1px solid var(--pm-border);
    border-radius: var(--pm-radius-lg);
}
.portal-ticket-hero-main { min-width: min(100%, 280px); flex: 1; }
.portal-back-link {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--pm-text-muted);
}
.portal-back-link:hover { color: var(--pm-primary); }
.portal-ticket-kicker {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--pm-primary);
    margin-bottom: 6px;
}
.portal-ticket-hero h1 {
    font-size: 1.45rem;
    letter-spacing: -0.03em;
    line-height: 1.3;
    margin-bottom: 12px;
}
.portal-ticket-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}
.portal-chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: var(--pm-surface-2);
    color: var(--pm-text-muted);
    border: 1px solid var(--pm-border);
}
.portal-chip-muted { font-weight: 500; color: var(--pm-text-subtle); }
.portal-chip-priority.is-critical,
.portal-chip-priority.is-high { background: var(--pm-danger-soft); color: #991b1b; border-color: #fecaca; }
.portal-chip-priority.is-medium { background: var(--pm-warning-soft); color: #92400e; border-color: #fde68a; }
.portal-chip-priority.is-low { background: var(--pm-success-soft); color: #047857; border-color: #a7f3d0; }

/* Ticket page: lock viewport; only .portal-thread-scroll scrolls */
body.portal-body.is-ticket-page {
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}
body.portal-body.is-ticket-page .portal-shell {
    height: 100%;
    min-height: 0;
    overflow: hidden;
}
body.portal-body.is-ticket-page .portal-footer {
    display: none;
}
body.portal-body.is-ticket-page .portal-main {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding-top: 16px;
    padding-bottom: 16px;
}
body.portal-body.is-ticket-page .portal-main > .alert {
    flex-shrink: 0;
}
.portal-ticket-page {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
}
.portal-ticket-page > .alert {
    flex-shrink: 0;
    margin-bottom: 0;
}
.portal-ticket-page .portal-ticket-hero {
    flex-shrink: 0;
    margin-bottom: 0;
    padding: 14px 16px;
}
.portal-ticket-page .portal-ticket-hero h1 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.portal-ticket-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 16px;
    align-items: stretch;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}
.portal-ticket-thread-card {
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
    max-height: 100%;
    overflow: hidden;
}
.portal-ticket-thread-card .portal-card-header,
.portal-ticket-thread-card .portal-thread-head {
    flex-shrink: 0;
}
.portal-thread-scroll {
    flex: 1 1 auto;
    min-height: 0;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}
.portal-thread-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.portal-thread-count {
    font-size: 12px;
    font-weight: 600;
    color: var(--pm-text-subtle);
}
.portal-thread-empty {
    text-align: center;
    padding: 28px 16px;
    border: 1px dashed var(--pm-border-strong);
    border-radius: var(--pm-radius);
    background: var(--pm-surface);
    color: var(--pm-text-muted);
}
.portal-thread-empty strong {
    display: block;
    color: var(--pm-text);
    margin-bottom: 4px;
}
.portal-thread-empty p { font-size: 13px; }

.portal-msg {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    max-width: 92%;
    animation: portalMsgIn 0.28s ease-out both;
}
.portal-msg.is-you {
    margin-left: auto;
    flex-direction: row-reverse;
}
.portal-msg.is-staff { margin-right: auto; }
.portal-msg-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #e2e8f0;
    color: #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}
.portal-msg-avatar.is-staff {
    background: var(--pm-primary);
    color: #fff;
}
.portal-msg-bubble {
    min-width: 0;
    flex: 1;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--pm-border);
    background: var(--pm-surface);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}
.portal-msg.is-staff .portal-msg-bubble {
    background: var(--pm-primary-soft);
    border-color: #c7d2fe;
    border-top-left-radius: 6px;
}
.portal-msg.is-you .portal-msg-bubble {
    background: #fff;
    border-color: var(--pm-border-strong);
    border-top-right-radius: 6px;
}
.portal-msg-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--pm-text-muted);
}
.portal-msg-meta strong { color: var(--pm-text); font-weight: 700; }
.portal-msg-role {
    padding: 1px 7px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.05);
    font-weight: 600;
    font-size: 11px;
}
.portal-msg.is-staff .portal-msg-role {
    background: rgba(71, 105, 255, 0.12);
    color: var(--pm-primary-hover);
}
.portal-msg-meta time { margin-inline-start: auto; }
.portal-msg-body {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 14.5px;
    line-height: 1.65;
    color: var(--pm-text);
}
.portal-msg-body a { font-weight: 600; }
.portal-msg-files {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.portal-file-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--pm-border);
    background: var(--pm-surface);
    font-size: 12px;
    font-weight: 600;
    color: var(--pm-text);
}
a.portal-file-chip:hover {
    border-color: var(--pm-primary);
    color: var(--pm-primary);
}

.portal-ticket-side {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 0;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.portal-ticket-side .portal-card {
    margin-bottom: 0;
    flex-shrink: 0;
}
.portal-ticket-side .portal-reply-card {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
}
.portal-ticket-side .portal-reply-card .portal-card-body {
    flex: 1 1 auto;
}
.portal-ticket-details {
    display: grid;
    gap: 12px;
}
.portal-ticket-details > div {
    display: grid;
    gap: 2px;
}
.portal-ticket-details span {
    font-size: 12px;
    font-weight: 600;
    color: var(--pm-text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.portal-ticket-details strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--pm-text);
    word-break: break-word;
}
.portal-reply-note {
    margin-bottom: 14px;
    padding: 10px 12px;
    border-radius: var(--pm-radius-sm);
    background: var(--pm-warning-soft);
    color: #92400e;
    font-size: 13px;
}
.portal-reply-form textarea { min-height: 120px; }
.portal-field-hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--pm-text-subtle);
}

.portal-ticket-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.portal-ticket-row {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    padding: 14px 16px;
    background: var(--pm-surface);
    border: 1px solid var(--pm-border);
    border-radius: var(--pm-radius);
    color: inherit;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.portal-ticket-row:hover {
    border-color: #a5b4fc;
    background: #fafbff;
    color: inherit;
    transform: translateY(-1px);
}
.portal-ticket-row-id {
    font-size: 13px;
    font-weight: 700;
    color: var(--pm-primary);
}
.portal-ticket-row-main strong {
    display: block;
    font-size: 15px;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
    color: var(--pm-text);
}
.portal-ticket-row-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    font-size: 12px;
    color: var(--pm-text-muted);
}
.portal-ticket-row-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
}

@keyframes portalMsgIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

.portal-empty {
    text-align: center;
    padding: 36px 16px;
    color: var(--pm-text-subtle);
}
.portal-empty strong {
    display: block;
    color: var(--pm-text);
    margin-bottom: 6px;
}
.portal-empty p { font-size: 14px; }

/* Login */
.portal-login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(ellipse at top left, rgba(37, 99, 235, 0.12), transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(14, 165, 233, 0.1), transparent 45%),
        linear-gradient(180deg, #e8eef7, #f1f5f9);
}

.portal-login-card {
    width: 100%;
    max-width: 420px;
    background: var(--pm-surface);
    border: 1px solid var(--pm-border);
    border-radius: var(--pm-radius-lg);
    box-shadow: var(--pm-shadow-md);
    padding: 32px 28px;
}

.portal-login-card .portal-brand { margin-bottom: 8px; }
.portal-login-card h1 {
    font-size: 1.45rem;
    letter-spacing: -0.03em;
    margin: 14px 0 6px;
}
.portal-login-card .lead {
    color: var(--pm-text-muted);
    margin-bottom: 22px;
    font-size: 14px;
}

.portal-footer {
    text-align: center;
    padding: 18px;
    color: var(--pm-text-subtle);
    font-size: 12px;
}

@media (max-width: 960px) {
    .portal-kpi-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .portal-account-grid { grid-template-columns: 1fr; }
    body.portal-body.is-ticket-page {
        height: auto;
        overflow: auto;
    }
    body.portal-body.is-ticket-page .portal-shell,
    body.portal-body.is-ticket-page .portal-main {
        height: auto;
        overflow: visible;
    }
    body.portal-body.is-ticket-page .portal-footer {
        display: block;
    }
    .portal-ticket-page {
        overflow: visible;
        height: auto;
    }
    .portal-ticket-layout {
        grid-template-columns: 1fr;
        height: auto;
        overflow: visible;
    }
    .portal-ticket-thread-card {
        height: auto;
        max-height: min(60vh, 520px);
    }
    .portal-ticket-side {
        height: auto;
        overflow: visible;
    }
}

@media (max-width: 800px) {
    .portal-kpi-grid,
    .portal-kpi-grid-4 { grid-template-columns: 1fr; }
    .portal-menu-toggle { display: inline-flex; }
    .portal-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }
    .portal-nav.is-open { display: flex; }
    .portal-topbar-inner { flex-wrap: wrap; }
    .portal-user-meta .hide-sm { display: none; }
    .portal-ticket-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .portal-ticket-row-badges { justify-content: flex-start; }
    .portal-msg { max-width: 100%; }
}