/* ============================================
   Variables
   ============================================ */
:root {
    --portal-bg: #f0f2f5;
    --portal-surface: #ffffff;
    --portal-border: #e2e8f0;
    --portal-text: #1e293b;
    --portal-text-muted: #64748b;
    --portal-accent: #2563eb;
    --portal-accent-hover: #1d4ed8;
    --portal-accent-soft: rgba(37, 99, 235, 0.1);
    --portal-error: #dc2626;
    --portal-error-bg: #fef2f2;
    --portal-success: #16a34a;
    --portal-success-bg: #f0fdf4;
    --portal-input-bg: #ffffff;
    --portal-radius: 12px;
    --portal-radius-sm: 8px;
    --portal-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 20px rgba(15, 23, 42, 0.06);
    --portal-header-h: 3.5rem;
}

/* ============================================
   Base
   ============================================ */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--portal-bg);
    color: var(--portal-text);
    min-height: 100vh;
    margin: 0;
    line-height: 1.5;
}

body.portal-page-center {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* ============================================
   Auth Pages (Login/Register/Reset)
   ============================================ */
.portal-wrap {
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
}

.portal-wrap--wide {
    max-width: 520px;
}

.portal-card {
    background: var(--portal-surface);
    border-radius: var(--portal-radius);
    padding: 2rem 2.25rem 1.9rem;
    box-shadow: var(--portal-shadow);
    border: 1px solid var(--portal-border);
}

.portal-card-inner {
    position: relative;
}

.portal-brand {
    text-align: center;
    margin-bottom: 1.35rem;
}

.portal-brand-mark {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--portal-accent);
}

.portal-title {
    margin: 0 0 0.5rem;
    text-align: center;
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--portal-text);
}

.portal-subtitle {
    margin: 0 0 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--portal-text-muted);
}

.portal-form-group {
    margin-bottom: 1.15rem;
}

.portal-label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--portal-text-muted);
}

.portal-input,
.portal-select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: var(--portal-radius-sm);
    border: 1px solid var(--portal-border);
    background: var(--portal-input-bg);
    color: var(--portal-text);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.portal-input:focus,
.portal-select:focus {
    border-color: var(--portal-accent);
    box-shadow: 0 0 0 3px var(--portal-accent-soft);
}

.portal-input--code {
    text-align: center;
    font-size: 1.2rem;
    letter-spacing: 0.35em;
    font-weight: 600;
}

.portal-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.8rem 1.1rem;
    border-radius: var(--portal-radius-sm);
    border: none;
    background: var(--portal-accent);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    margin-top: 0.25rem;
    transition: background 0.15s;
}

.portal-btn-primary:hover {
    background: var(--portal-accent-hover);
}

.portal-errors {
    margin-bottom: 1.1rem;
    padding: 0.75rem 0.9rem;
    border-radius: var(--portal-radius-sm);
    font-size: 0.875rem;
    background: var(--portal-error-bg);
    border: 1px solid #fecaca;
    color: var(--portal-error);
}

.portal-errors ul {
    margin: 0;
    padding-left: 1.1rem;
}

.portal-success {
    margin-bottom: 1.1rem;
    padding: 0.75rem 0.9rem;
    border-radius: var(--portal-radius-sm);
    font-size: 0.875rem;
    background: var(--portal-success-bg);
    border: 1px solid #bbf7d0;
    color: #166534;
}

.portal-footer-row {
    margin-top: 1.35rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--portal-text-muted);
}

.portal-link {
    color: var(--portal-accent);
    text-decoration: none;
    font-weight: 500;
}

.portal-link:hover {
    text-decoration: underline;
}

.portal-link--nowrap {
    white-space: nowrap;
}

.portal-login-note {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--portal-text-muted);
}

.portal-consent-note {
    margin: 0.8rem 0 0.75rem;
    text-align: left;
    font-size: 0.78rem;
    line-height: 1.45;
    color: var(--portal-text-muted);
}

/* ============================================
   App Layout (After Login)
   ============================================ */
.portal-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.portal-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--portal-header-h);
    background: var(--portal-surface);
    border-bottom: 1px solid var(--portal-border);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}

.portal-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.portal-header-brand {
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
    text-decoration: none;
    color: inherit;
}

.portal-header-brand strong {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--portal-accent);
}

.portal-header-brand span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--portal-text);
}

.portal-menu-toggle {
    display: none;
    border: 1px solid var(--portal-border);
    background: var(--portal-surface);
    border-radius: 8px;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.portal-menu-toggle span {
    display: block;
    width: 14px;
    height: 2px;
    background: var(--portal-text);
    border-radius: 2px;
    transition: transform 0.18s ease, opacity 0.18s ease;
}

.portal-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.portal-nav a {
    padding: 0.45rem 0.75rem;
    border-radius: var(--portal-radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--portal-text-muted);
    text-decoration: none;
    transition: background 0.12s, color 0.12s;
}

.portal-nav a:hover {
    color: var(--portal-text);
    background: var(--portal-bg);
}

.portal-nav a.is-active {
    color: var(--portal-accent);
    background: var(--portal-accent-soft);
}

.portal-header-user {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
}

.portal-user-meta {
    text-align: right;
    line-height: 1.25;
}

.portal-user-name {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--portal-text);
}

.portal-user-client {
    display: block;
    font-size: 0.72rem;
    color: var(--portal-text-muted);
    max-width: 12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.portal-btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.85rem;
    border-radius: var(--portal-radius-sm);
    border: 1px solid var(--portal-border);
    background: var(--portal-surface);
    color: var(--portal-text-muted);
    font-size: 0.82rem;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.portal-btn-outline:hover {
    border-color: var(--portal-text-muted);
    color: var(--portal-text);
}

.portal-btn-outline--compact {
    padding: 0.35rem 0.7rem;
    font-size: 0.78rem;
    flex-shrink: 0;
}

.portal-btn-primary--inline {
    width: auto;
    min-width: 7.5rem;
    margin-top: 0;
}

.portal-main {
    flex: 1;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 2.5rem;
}

.portal-page-title {
    margin: 0 0 0.35rem;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.portal-page-lead {
    margin: 0 0 1.5rem;
    font-size: 0.92rem;
    color: var(--portal-text-muted);
    max-width: 42rem;
}

/* ============================================
   Shared Cards And Tables
   ============================================ */
.portal-card-block {
    background: var(--portal-surface);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius);
    box-shadow: var(--portal-shadow);
    overflow: hidden;
}

.portal-card-block + .portal-card-block {
    margin-top: 1.25rem;
}

.portal-card-head {
    padding: 1.1rem 1.35rem;
    border-bottom: 1px solid var(--portal-border);
    background: #fafbfc;
}

.portal-card-head h2 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
}

.portal-card-body {
    padding: 0;
}

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

.portal-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.portal-table th,
.portal-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--portal-border);
    vertical-align: middle;
}

.portal-table th {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    color: var(--portal-text-muted);
    background: #fafbfc;
}

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

.portal-table tbody tr.portal-table-row--unread {
    background: #fffbea;
}

.portal-table a {
    color: var(--portal-accent);
    font-weight: 600;
    text-decoration: none;
}

.portal-table a:hover {
    text-decoration: underline;
}

.portal-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--portal-accent-soft);
    color: var(--portal-accent);
}

.portal-badge--muted {
    background: #f1f5f9;
    color: var(--portal-text-muted);
}

.portal-badge--success {
    background: #dcfce7;
    color: #166534;
}

.portal-badge--warn {
    background: #fef3c7;
    color: #92400e;
}

.portal-empty {
    padding: 2rem 1.35rem;
    text-align: center;
    color: var(--portal-text-muted);
    font-size: 0.92rem;
}

.portal-dl {
    margin: 0;
    padding: 1.25rem 1.35rem;
    display: grid;
    gap: 0.85rem 1.5rem;
}

@media (min-width: 560px) {
    .portal-dl {
        grid-template-columns: 9rem 1fr;
    }
}

.portal-dl dt {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--portal-text-muted);
}

.portal-dl dd {
    margin: 0;
    font-size: 0.92rem;
}

/* ============================================
   Dashboard Stats
   ============================================ */
.portal-stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.portal-stat {
    background: var(--portal-surface);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius);
    padding: 1.1rem 1.2rem;
    box-shadow: var(--portal-shadow);
}

.portal-stat-value {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--portal-text);
}

.portal-stat-label {
    margin-top: 0.25rem;
    font-size: 0.82rem;
    color: var(--portal-text-muted);
}

/* ============================================
   Messages, Invoices, Files, Timeline
   ============================================ */
.portal-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1rem;
    padding: 0.85rem 1.1rem;
    border-radius: var(--portal-radius);
    margin-bottom: 1.25rem;
    border: 1px solid var(--portal-border);
    background: var(--portal-surface);
    box-shadow: var(--portal-shadow);
}

.portal-banner--warn {
    border-color: #fcd34d;
    background: #fffbeb;
}

.portal-banner--success {
    border-color: #86efac;
    background: #f0fdf4;
    color: #166534;
}

.portal-banner--error {
    border-color: #fecaca;
    background: #fef2f2;
    color: #991b1b;
}

.portal-banner-list {
    margin: 0;
    padding-left: 1.1rem;
}

.portal-banner-text {
    margin: 0;
    font-size: 0.92rem;
    color: var(--portal-text);
    max-width: 42rem;
}

.portal-filters {
    margin-bottom: 1.25rem;
    padding: 1rem 1.15rem;
    background: var(--portal-surface);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius);
    box-shadow: var(--portal-shadow);
}

.portal-filters-form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 1rem 1.25rem;
}

.portal-filter-field {
    flex: 1 1 10rem;
    min-width: 8rem;
}

.portal-filter-field .portal-select,
.portal-filter-field .portal-input {
    width: 100%;
}

.portal-filter-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 1rem;
}

.portal-muted-note {
    margin: 0.85rem 0 0;
    font-size: 0.82rem;
    color: var(--portal-text-muted);
}

.portal-file-list {
    margin: 0;
    padding: 0 1.35rem 1.25rem;
    list-style: none;
}

.portal-file-list-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--portal-border);
}

.portal-file-list-item:last-child {
    border-bottom: none;
}

.portal-file-meta {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.78rem;
    color: var(--portal-text-muted);
}

.portal-timeline {
    margin: 0;
    padding: 0 1.35rem 1.25rem;
    list-style: none;
}

.portal-timeline--flat {
    padding: 0.25rem 1.35rem 1.25rem;
}

.portal-card-footer-links {
    margin: 1rem 0 0;
    padding: 0 1.35rem 1.25rem;
    font-size: 0.88rem;
    color: var(--portal-text-muted);
}

.portal-timeline-item {
    display: grid;
    grid-template-columns: 7.5rem 1fr;
    gap: 0.5rem 1rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--portal-border);
    font-size: 0.88rem;
}

.portal-timeline-item:last-child {
    border-bottom: none;
}

.portal-timeline-time {
    color: var(--portal-text-muted);
    font-size: 0.8rem;
}

.portal-timeline-body {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.portal-timeline-item.is-client .portal-timeline-body {
    background: #f0fdf4;
    border: 1px solid #dcfce7;
    border-left: 4px solid #22c55e;
    border-radius: 8px;
    padding: 0.5rem 0.7rem;
}

.portal-timeline-item.is-team .portal-timeline-body {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-left: 4px solid #6366f1;
    border-radius: 8px;
    padding: 0.5rem 0.7rem;
}

.portal-timeline-item.is-client .portal-timeline-action {
    color: #166534;
}

.portal-timeline-item.is-team .portal-timeline-action {
    color: #3730a3;
}

.portal-timeline-item.is-client .portal-timeline-actor,
.portal-timeline-item.is-team .portal-timeline-actor {
    color: #475569;
}

.portal-timeline-action {
    font-weight: 500;
    color: var(--portal-text);
}

.portal-timeline-actor {
    font-size: 0.78rem;
    color: var(--portal-text-muted);
}

/* Přehled: poslední aktivita u projektů (čitelnější než surové audit řetězce) */
.portal-activity-item .portal-activity-body {
    gap: 0.28rem;
}

.portal-activity-headline {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--portal-text);
    line-height: 1.35;
}

.portal-activity-project {
    display: block;
    font-size: 0.86rem;
    color: var(--portal-text-muted);
}

.portal-activity-project .portal-link {
    font-weight: 500;
}

.portal-activity-note {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--portal-text-muted);
}