/* Mentor Cabinet — overrides and extensions on top of AKB's style.css.
   Palette mirrors hub/frontend/static/css/akb.css so admin and mentor
   cabinet feel like the same product family. */

/* AKB ships animated colored blobs as ambient background. They peek out
   at the right edge near the bottom on pages with no scrollbar (visible
   pink/orange strip — confirmed in the screenshot Lev sent). The cabinet
   is read-only and meant to feel calm; we hide the blobs entirely and
   keep just the gradient body. */
.animated-bg { display: none !important; }
html, body { overflow-x: hidden; }

:root {
    --c-primary: #1e3a5f;
    --c-accent: #374151;
    --c-accent-hover: #1f2937;
    --c-text: #1f2937;
    --c-text-soft: #6b7280;
    --c-text-muted: #9ca3af;
    --c-border: #e5e7eb;
    --c-border-soft: #f1f5f9;
    --c-bg: #ffffff;
    --c-bg-soft: #f9fafb;
    --c-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    --c-shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.07);

    --c-status-paid: #6b8fa3;
    --c-status-pending: #a8c4d4;
    --c-status-cancelled: #cbd5e1;
    --c-status-partial: #94a3b8;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    color: var(--c-text);
    background: linear-gradient(-45deg, #f0f4f8, #e4ecf4, #edf2f7, #e8eff6);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Sticky footer pattern — main fills any leftover viewport height so
   the gradient covers cleanly down to the footer (Lev: «снизу полоска
   сломана» when content was short). */
.cabinet-main { flex: 1 0 auto; }
.cabinet-footer { flex-shrink: 0; margin-top: 0; }

/* ----------- Impersonation banner ----------- */
.impersonation-banner {
    background: linear-gradient(90deg, #fef3c7, #fde68a);
    border-bottom: 1px solid #f59e0b;
    color: #78350f;
    font-size: 13px;
    position: sticky;
    top: 0;
    z-index: 110;
}
.impersonation-banner-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.impersonation-icon { font-size: 16px; }
.impersonation-exit {
    background: rgba(120, 53, 15, 0.9);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
}
.impersonation-exit:hover { background: rgba(120, 53, 15, 1); }
@media (max-width: 768px) {
    .impersonation-banner-inner { flex-wrap: wrap; padding: 6px 14px; }
}

/* ----------- Header ----------- */
.cabinet-header {
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--c-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.cabinet-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.cabinet-brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.cabinet-brand-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--c-primary);
}
.cabinet-brand-sub {
    font-size: 11px;
    color: var(--c-text-soft);
    margin-top: 2px;
}
.cabinet-nav {
    display: flex;
    gap: 4px;
    flex: 1;
    margin-left: 16px;
}
.cabinet-nav a {
    padding: 6px 12px;
    font-size: 13px;
    color: var(--c-text-soft);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}
.cabinet-nav a:hover { color: var(--c-accent); background: var(--c-bg-soft); }
.cabinet-nav a.active { color: var(--c-bg); background: var(--c-accent); }
.cabinet-user {
    display: flex;
    align-items: center;
    gap: 10px;
}
.cabinet-user-name {
    font-size: 13px;
    color: var(--c-text);
    font-weight: 500;
}
.cabinet-logout-form { margin: 0; }
.cabinet-logout-btn {
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text-soft);
    font-size: 12px;
    padding: 5px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
}
.cabinet-logout-btn:hover { color: var(--c-accent); border-color: var(--c-accent); }

/* ----------- Main ----------- */
.cabinet-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 64px;
}

@media (max-width: 768px) {
    .cabinet-header-inner { flex-wrap: wrap; gap: 12px; padding: 10px 14px; }
    .cabinet-nav { order: 3; flex: 0 0 100%; margin-left: 0; overflow-x: auto; }
    .cabinet-main { padding: 16px; }
}

/* ----------- Footer ----------- */
.cabinet-footer {
    border-top: 1px solid var(--c-border);
    background: var(--c-bg);
    padding: 16px 0;
    margin-top: 40px;
}
.cabinet-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 8px;
    font-size: 12px;
    color: var(--c-text-soft);
}
.cabinet-footer-inner a { color: var(--c-text-soft); text-decoration: none; }
.cabinet-footer-inner a:hover { color: var(--c-accent); }

/* ----------- Page header ----------- */
.cabinet-page-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--c-text);
    margin: 0 0 4px;
    letter-spacing: -0.01em;
}
.cabinet-page-sub {
    color: var(--c-text-soft);
    font-size: 13px;
    margin: 0 0 24px;
}

/* ----------- KPI tiles ----------- */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}
.kpi-tile {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 18px 20px;
    box-shadow: var(--c-shadow);
}
.kpi-label {
    font-size: 11px;
    color: var(--c-text-soft);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    margin-bottom: 6px;
}
.kpi-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--c-primary);
    line-height: 1.2;
}
.kpi-sub { font-size: 12px; color: var(--c-text-soft); margin-top: 4px; }

@media (max-width: 768px) {
    .kpi-row { grid-template-columns: 1fr; }
}

/* ----------- Cards ----------- */
.card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--c-shadow);
    margin-bottom: 20px;
}
.card-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}
.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-text);
    margin: 0;
}
.card-sub { font-size: 12px; color: var(--c-text-soft); }
.card-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--c-text-muted);
    font-size: 13px;
}

/* ----------- Tables ----------- */
.cab-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.cab-table thead th {
    text-align: left;
    font-weight: 500;
    color: var(--c-text-soft);
    padding: 10px 12px;
    border-bottom: 1px solid var(--c-border);
    background: var(--c-bg-soft);
    white-space: nowrap;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.cab-table tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--c-border-soft);
    vertical-align: middle;
}
.cab-table tbody tr:last-child td { border-bottom: none; }
.cab-table tbody tr.clickable { cursor: pointer; transition: background 0.15s; }
.cab-table tbody tr.clickable:hover { background: var(--c-bg-soft); }
.cab-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.cab-table .amount {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    color: var(--c-primary);
}

/* ----------- Status chips ----------- */
.status-chip {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    color: var(--c-bg);
    white-space: nowrap;
}
.status-chip.status-paid { background: var(--c-status-paid); }
.status-chip.status-pending { background: var(--c-status-pending); color: #1f2937; }
.status-chip.status-cancelled { background: var(--c-status-cancelled); color: #1f2937; }
.status-chip.status-partial { background: var(--c-status-partial); }

/* ----------- Login page ----------- */
.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    padding: 32px 28px;
    box-shadow: var(--c-shadow-lg);
}
.login-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--c-primary);
    margin: 0 0 4px;
    text-align: center;
}
.login-sub {
    text-align: center;
    color: var(--c-text-soft);
    font-size: 12px;
    margin: 0 0 24px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-size: 12px;
    color: var(--c-text-soft);
    margin-bottom: 6px;
}
.form-input {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--c-border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    color: var(--c-text);
    background: var(--c-bg);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus {
    outline: none;
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px rgba(55, 65, 81, 0.08);
}
.form-submit {
    width: 100%;
    padding: 10px 16px;
    background: var(--c-accent);
    color: var(--c-bg);
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 8px;
    font-family: inherit;
    transition: background 0.15s;
}
.form-submit:hover { background: var(--c-accent-hover); }
.form-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 12px;
    margin-bottom: 14px;
}
.form-info {
    background: #f0f4f8;
    border: 1px solid #c5d5e2;
    color: #13445d;
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 12px;
    margin-bottom: 14px;
}

/* ----------- Динамика клиентов (stacked retention chart) -----------
   Mirrors the AKB admin "Динамика клиентов" chart: positive stack of
   renewed (blue) + new (green) + returning (orange) above zero,
   churned (red) below zero. The 50% chart-scale heights map to the
   half above/below the axis. */
.dyn-chart {
    display: flex;
    align-items: stretch;
    gap: 6px;
    padding: 4px 4px 0;
    height: 280px;
    overflow-x: auto;
}
.dyn-col {
    flex: 1 1 0;
    min-width: 52px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}
.dyn-positive {
    flex: 1 1 50%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.dyn-axis {
    height: 1px;
    background: var(--c-border);
    margin: 0;
}
.dyn-negative {
    flex: 1 1 50%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.dyn-bar {
    width: 100%;
    position: relative;
    transition: opacity 0.15s;
    min-height: 14px;
}
.dyn-bar:hover { opacity: 0.85; }
.dyn-bar > span {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.dyn-positive .dyn-bar:first-child { border-radius: 4px 4px 0 0; }
.dyn-positive .dyn-bar:last-child { border-radius: 0 0 0 0; }
/* All-blue ramp (Lev: «приятные цвета оттенки голубого»). Distinguished
   by lightness, not hue — same family as the AKB admin palette. */
.dyn-bar-renewed { background: #4a6a7d; }
.dyn-bar-new { background: #7ba6c4; }
.dyn-bar-returning { background: #a8c4d4; }
.dyn-bar-churned { background: #1e3a5f; border-radius: 0 0 4px 4px; }
.dyn-bar-returning > span { color: #1e293b; text-shadow: none; }
.dyn-col-label {
    text-align: center;
    font-size: 11px;
    color: var(--c-text-soft);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding-top: 6px;
    border-top: 1px solid var(--c-border-soft);
    margin-top: 4px;
}

.dyn-legend {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 12px;
    margin-top: 8px;
    border-top: 1px solid var(--c-border-soft);
    font-size: 12px;
    color: var(--c-text);
}
.dyn-legend-item { display: flex; align-items: center; gap: 6px; }
.dyn-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    display: inline-block;
}
.dyn-dot-renewed { background: #4a6a7d; }
.dyn-dot-new { background: #7ba6c4; }
.dyn-dot-returning { background: #a8c4d4; }
.dyn-dot-churned { background: #1e3a5f; }

@media (max-width: 600px) {
    .dyn-chart { gap: 3px; height: 240px; }
    .dyn-col { min-width: 40px; }
}

/* Lost-revenue card under retention chart. Grey, calm — Lev: «упущенная
   выгода сделай плашку в серых цветах». */
.lost-card {
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 20px;
}
.lost-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.lost-card-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--c-text);
    margin-bottom: 2px;
}
.lost-card-sub {
    font-size: 12px;
    color: var(--c-text-soft);
    line-height: 1.4;
    max-width: 540px;
}
.lost-card-amounts { text-align: right; line-height: 1.1; }
.lost-card-amount-usd {
    font-size: 24px;
    font-weight: 700;
    color: var(--c-primary);
    font-variant-numeric: tabular-nums;
}
.lost-card-amount-rub {
    font-size: 12px;
    color: var(--c-text-soft);
    font-variant-numeric: tabular-nums;
    margin-top: 2px;
}
.lost-card-details {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--c-border-soft);
    color: var(--c-text-soft);
}
.lost-card-details > summary {
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    user-select: none;
}
.lost-card-details > summary:hover { color: var(--c-accent); }

/* Per-client comment sub-line under client name in /payouts breakdown. */
.client-note {
    font-size: 11px;
    color: #92400e;
    background: #fef3c7;
    border-radius: 4px;
    padding: 2px 6px;
    margin-top: 4px;
    display: inline-block;
    line-height: 1.4;
    max-width: 100%;
}

/* Used in tables to add a small RUB sub-line under the USD figure. */
.amount-rub-sub {
    font-size: 11px;
    color: var(--c-text-muted);
    font-weight: 400;
    margin-top: 2px;
}

/* Year × month segmentation matrix above /clients table.
   Each cell is a clickable filter; click "Все" row total to clear. */
.segment-matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin-bottom: 16px;
    table-layout: fixed;
}
.segment-matrix thead th {
    font-size: 10px;
    font-weight: 500;
    color: var(--c-text-soft);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 6px 4px;
    text-align: center;
    border-bottom: 1px solid var(--c-border);
    background: var(--c-bg-soft);
}
.segment-matrix .segment-corner {
    text-align: left;
    padding-left: 12px;
    color: var(--c-text-muted);
    font-weight: 400;
    width: 100px;
}
.segment-matrix .segment-total-col { color: var(--c-primary); }

.segment-matrix tbody th.segment-row-head {
    text-align: left;
    padding: 8px 12px;
    font-weight: 600;
    color: var(--c-primary);
    border-bottom: 1px solid var(--c-border-soft);
    background: var(--c-bg);
    cursor: pointer;
    transition: background 0.15s;
}
.segment-matrix tbody th.segment-row-head:hover { background: var(--c-bg-soft); }
.segment-matrix tbody td.segment-cell {
    padding: 8px 4px;
    text-align: center;
    border-bottom: 1px solid var(--c-border-soft);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    font-variant-numeric: tabular-nums;
    color: var(--c-text);
}
.segment-matrix tbody td.segment-cell:hover {
    background: var(--c-bg-soft);
    color: var(--c-accent);
}
.segment-matrix tbody td.segment-empty {
    color: var(--c-text-muted);
    cursor: default;
    font-size: 11px;
}
.segment-matrix tbody td.segment-empty:hover {
    background: transparent;
    color: var(--c-text-muted);
}
.segment-matrix tbody td.segment-total {
    font-weight: 600;
    color: var(--c-primary);
    background: var(--c-bg-soft);
}
.segment-matrix .segment-active {
    background: var(--c-accent) !important;
    color: var(--c-bg) !important;
}
.segment-matrix .segment-row-head.segment-active { background: var(--c-accent) !important; color: var(--c-bg) !important; }
.segment-matrix .segment-all-row th,
.segment-matrix .segment-all-row td {
    background: var(--c-bg-soft);
    color: var(--c-text-soft);
}

/* Client status chips on /clients */
.client-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}
.client-status.tone-good { background: #dcfce7; color: #14532d; }
.client-status.tone-warn { background: #fef3c7; color: #78350f; }
.client-status.tone-bad { background: #fee2e2; color: #7f1d1d; }
.client-status.tone-new { background: #dbeafe; color: #1e3a8a; }
.client-status.tone-muted { background: #f3f4f6; color: #6b7280; }

/* ----------- /payouts cards ----------- */
.payouts-summary {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--c-text-soft);
}
.payouts-summary-label {
    margin-right: 6px;
}
.payouts-summary-value {
    color: var(--c-primary);
    font-weight: 600;
    font-size: 16px;
    margin-right: 6px;
}
.payouts-summary-secondary {
    color: var(--c-text-muted);
    font-size: 12px;
}

.payout-card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 18px 20px 4px;
    box-shadow: var(--c-shadow);
    margin-bottom: 16px;
}
.payout-card-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--c-border-soft);
    margin-bottom: 6px;
}
.payout-card-month { flex: 1 1 auto; min-width: 180px; }
.payout-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--c-text);
    margin: 0 0 2px;
}
.payout-card-meta {
    font-size: 12px;
    color: var(--c-text-soft);
}
.payout-card-amounts {
    text-align: right;
    line-height: 1.1;
}
.payout-card-amount-usd {
    font-size: 22px;
    font-weight: 600;
    color: var(--c-primary);
    font-variant-numeric: tabular-nums;
}
.payout-card-amount-rub {
    font-size: 12px;
    color: var(--c-text-soft);
    font-variant-numeric: tabular-nums;
    margin-top: 2px;
}
.payout-card-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    min-width: 110px;
}
.payout-card-date {
    font-size: 11px;
    color: var(--c-text-muted);
}
.payout-card-comment {
    background: #fef9e7;
    border: 1px solid #fde68a;
    color: #78350f;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 12px;
    margin: 4px 0 12px;
}
.payout-card-table { font-size: 12px; }
.payout-card-table thead th {
    background: transparent;
    border-bottom: 1px solid var(--c-border-soft);
    padding: 6px 10px;
    font-size: 10px;
}
.payout-card-table tbody td { padding: 8px 10px; }

/* ----------- Drill-down breakdown ----------- */
.tariff-breakdown {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px 16px;
    background: var(--c-bg-soft);
    border-radius: 8px;
    font-size: 13px;
    color: var(--c-text-soft);
    margin-top: 16px;
}
.tariff-breakdown b { color: var(--c-text); font-weight: 600; }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--c-text-soft);
    text-decoration: none;
    font-size: 13px;
    margin-bottom: 14px;
}
.back-link:hover { color: var(--c-accent); }

/* ----------- Profile rows ----------- */
.profile-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 12px 24px;
    font-size: 13px;
}
.profile-grid dt { color: var(--c-text-soft); }
.profile-grid dd { margin: 0; color: var(--c-text); font-weight: 500; }

@media (max-width: 600px) {
    .profile-grid { grid-template-columns: 1fr; gap: 4px 0; }
    .profile-grid dt { font-size: 11px; }
    .profile-grid dd { margin-bottom: 8px; }
}