:root {
    --bg: #f4f7fb;
    --sidebar: #0f172a;
    --sidebar-2: #111c35;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --border: #e5e7eb;
    --danger: #dc2626;
    --danger-dark: #b91c1c;
    --danger-bg: #fef2f2;
    --danger-text: #991b1b;
    --ok-bg: #ecfdf5;
    --ok-text: #065f46;
    --shadow: 0 18px 55px rgba(31, 41, 55, 0.08);
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

h1, h2, h3 { margin-top: 0; line-height: 1.15; }
h1 { font-size: clamp(28px, 3vw, 42px); }
h2 { font-size: 24px; }
h3 { font-size: 18px; }
.muted { color: var(--muted); }
.small-note { font-size: 14px; line-height: 1.5; }

.login-layout {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 30px 16px;
}
.login-brand,
.brand {
    display: flex;
    gap: 12px;
    align-items: center;
}
.login-brand { margin-bottom: 22px; }
.login-brand strong,
.brand strong { display: block; font-size: 19px; }
.login-brand span,
.brand span { color: var(--muted); font-size: 13px; }
.auth-alert { max-width: 620px; width: 100%; margin-bottom: 12px; }

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 292px minmax(0, 1fr);
}
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 22px;
    background: linear-gradient(180deg, var(--sidebar), var(--sidebar-2));
    color: #e5e7eb;
    overflow-y: auto;
}
.sidebar-brand span { color: #9ca3af; }
.sidebar-email {
    padding: 14px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px;
    background: rgba(255,255,255,.06);
    overflow-wrap: anywhere;
}
.sidebar-email span { display: block; color: #93a4bd; font-size: 12px; margin-bottom: 4px; }
.sidebar-email b { font-size: 14px; }
.sidebar-nav {
    display: grid;
    gap: 8px;
}
.nav-link {
    width: 100%;
    justify-content: flex-start;
    background: transparent;
    color: #d1d5db;
    border: 1px solid transparent;
    border-radius: 13px;
    padding: 12px 13px;
}
.nav-link:hover,
.nav-link.active {
    color: #fff;
    background: rgba(37, 99, 235, .28);
    border-color: rgba(147, 197, 253, .22);
}
.sidebar-actions {
    margin-top: auto;
    display: grid;
    gap: 10px;
}
.full-width { width: 100%; }

.content {
    width: 100%;
    padding: clamp(18px, 2.6vw, 38px);
}
.page-section { display: none; }
.page-section.active { display: block; }
.section-title,
.section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: clamp(18px, 2.4vw, 30px);
    margin-bottom: 22px;
}
.auth-card { max-width: 620px; width: 100%; }
.compact-card { padding: 18px; }
.import-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 22px; align-items: start; }
.helper-card li { margin-bottom: 8px; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.full { grid-column: 1 / -1; }
label span,
.filter-block > span { display: block; font-weight: 700; margin-bottom: 7px; }
input, select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 13px;
    font: inherit;
    background: #fff;
    color: var(--text);
}
input:focus, select:focus { outline: 3px solid rgba(37, 99, 235, 0.16); border-color: var(--primary); }

button, .primary, .secondary, .danger, .logout-button {
    border: 0;
    border-radius: 12px;
    padding: 12px 16px;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: .18s ease;
}
button:disabled { opacity: .65; cursor: not-allowed; }
.primary { background: var(--primary); color: #fff; font-weight: 800; }
.primary:hover { background: var(--primary-dark); }
.secondary, .preset-buttons button {
    background: #eef2ff;
    color: var(--primary-dark);
    border: 1px solid #dbe4ff;
}
.secondary:hover, .preset-buttons button:hover { background: #e0e7ff; }
.danger { background: rgba(220, 38, 38, .12); color: #fecaca; border: 1px solid rgba(252, 165, 165, .24); }
.danger:hover { background: rgba(220, 38, 38, .22); color: #fff; }
.logout-button { background: #fff; color: var(--sidebar); font-weight: 800; }
.logout-button:hover { transform: translateY(-1px); }
.preset-buttons { display: flex; gap: 10px; flex-wrap: wrap; }

.alert {
    border-radius: 14px;
    padding: 12px 14px;
    margin: 14px 0;
    background: var(--ok-bg);
    color: var(--ok-text);
    border: 1px solid rgba(6, 95, 70, .1);
}
.alert-error {
    background: var(--danger-bg);
    color: var(--danger-text);
    border-color: rgba(153, 27, 27, .12);
}
.floating-message {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 50;
    max-width: min(520px, calc(100vw - 32px));
    box-shadow: var(--shadow);
}
.progress-wrap { margin-top: 18px; }
.progress-bar { height: 12px; background: #e5e7eb; border-radius: 999px; overflow: hidden; }
.progress-bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #60a5fa, #2563eb); transition: width .25s ease; }

.filters {
    display: grid;
    grid-template-columns: 150px 150px minmax(240px, 1.15fr) minmax(230px, 1.3fr) 130px;
    gap: 14px;
    align-items: end;
    margin: 0 0 22px;
}
.filters-wide {
    grid-template-columns: 150px 150px minmax(240px, 1.1fr) 150px minmax(230px, 1.25fr) 130px;
}
.search-field { min-width: 220px; }
.switcher {
    display: inline-flex;
    width: 100%;
    padding: 4px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: #f8fafc;
}
.switcher label {
    flex: 1;
    margin: 0;
    cursor: pointer;
}
.switcher input { position: absolute; opacity: 0; pointer-events: none; }
.switcher span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    margin: 0;
    border-radius: 11px;
    font-weight: 700;
    color: #64748b;
    white-space: nowrap;
}
.switcher input:checked + span {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 18px rgba(37, 99, 235, .18);
}

.counter {
    display: inline-flex;
    padding: 10px 14px;
    border-radius: 999px;
    background: #e0f2fe;
    color: #0369a1;
    font-weight: 800;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}
.kpi-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 18px;
    box-shadow: var(--shadow);
}
.kpi-card span { display: block; color: var(--muted); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.kpi-card strong { display: block; font-size: clamp(28px, 3vw, 44px); margin: 8px 0; }
.kpi-card small { color: var(--muted); }
.kpi-card-main {
    grid-column: span 2;
    border-color: rgba(37, 99, 235, 0.28);
    background: linear-gradient(135deg, #eff6ff, #ffffff 55%, #ecfdf5);
    box-shadow: 0 24px 70px rgba(37, 99, 235, 0.16);
}
.kpi-card-main span { color: var(--primary-dark); }
.kpi-card-main strong {
    font-size: clamp(42px, 5vw, 72px);
    color: #0f172a;
    letter-spacing: -0.04em;
}
.kpi-card-main small {
    display: block;
    font-weight: 800;
    color: #2563eb;
}
.avg-cell b {
    font-size: 20px;
    color: var(--primary-dark);
}

.charts { display: grid; grid-template-columns: minmax(320px, .8fr) minmax(0, 1.4fr); gap: 18px; margin-bottom: 22px; }
.chart-box {
    min-height: 360px;
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 18px;
    background: #fbfdff;
    box-shadow: var(--shadow);
}
.chart-box canvas { width: 100% !important; height: 280px !important; }
.analytics-bottom-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 18px; }
.table-card { margin-bottom: 0; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; margin-bottom: 0; }
.table-wrap.roomy { margin-top: 8px; }
table { width: 100%; border-collapse: collapse; min-width: 720px; background: #fff; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: #f9fafb; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: #4b5563; }
tr:last-child td { border-bottom: 0; }
small { color: var(--muted); }
.badge { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: #f3f4f6; font-size: 13px; font-weight: 700; }
.badge-order { background: #dcfce7; color: #166534; }
.badge-offer { background: #dbeafe; color: #1d4ed8; }
.badge-request { background: #fef3c7; color: #92400e; }
.badge-spam { background: #fee2e2; color: #991b1b; }

@media (max-width: 1180px) {
    .app-shell { grid-template-columns: 248px minmax(0, 1fr); }
    .filters,
    .filters-wide { grid-template-columns: 1fr 1fr; }
    .filter-block,
    .search-field { grid-column: span 2; }
    .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kpi-card-main { grid-column: 1 / -1; }
}

@media (max-width: 920px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar {
        position: relative;
        height: auto;
        border-radius: 0 0 24px 24px;
    }
    .sidebar-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sidebar-actions { margin-top: 0; grid-template-columns: 1fr; }
    .import-grid,
    .charts,
    .analytics-bottom-grid { grid-template-columns: 1fr; }
    .chart-box canvas { height: 260px !important; }
}

@media (max-width: 620px) {
    .content { padding: 16px; }
    .form-grid,
    .filters,
    .filters-wide { grid-template-columns: 1fr; }
    .filter-block,
    .search-field { grid-column: auto; }
    .preset-buttons button { width: 100%; }
    .section-head,
    .section-title { flex-direction: column; }
    .kpi-grid { grid-template-columns: 1fr; }
    .kpi-card-main { grid-column: auto; }
    .sidebar-nav { grid-template-columns: 1fr; }
}

.actions-cell {
    min-width: 130px;
    white-space: nowrap;
}

.table-action {
    border: 1px solid rgba(37, 99, 235, 0.22);
    background: #eef4ff;
    color: #1d4ed8;
    border-radius: 10px;
    padding: 8px 12px;
    font-weight: 700;
    cursor: pointer;
}

.table-action:hover {
    background: #dbeafe;
}

.table-action:disabled {
    cursor: wait;
    opacity: 0.65;
}

.table-action.danger-light {
    border-color: rgba(220, 38, 38, 0.22);
    background: #fff1f2;
    color: #be123c;
}

.table-action.danger-light:hover {
    background: #ffe4e6;
}

.manual-note {
    display: block;
    margin-bottom: 6px;
    color: #64748b;
    font-size: 11px;
}


.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(9px);
}

.modal-overlay[hidden] {
    display: none !important;
}

.modal-card {
    width: min(520px, 100%);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.28);
    padding: 30px;
    text-align: center;
}

.modal-spinner {
    width: 54px;
    height: 54px;
    border-radius: 999px;
    border: 5px solid #dbeafe;
    border-top-color: var(--primary);
    margin: 0 auto 18px;
    animation: spin 0.8s linear infinite;
}

.modal-progress {
    text-align: left;
}

.modal-open {
    overflow: hidden;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

textarea {
    width: 100%;
    min-height: 260px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    font: inherit;
    line-height: 1.45;
    resize: vertical;
    color: var(--text);
    background: #fff;
}
textarea:focus {
    outline: 3px solid rgba(37, 99, 235, 0.16);
    border-color: var(--primary);
}

.settings-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 22px;
    align-items: start;
}
.settings-card {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}
.textarea-label small {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    line-height: 1.45;
}
.settings-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.settings-help ol {
    margin: 0;
    padding-left: 20px;
}
.settings-help li {
    margin-bottom: 10px;
}

.subject-link {
    padding: 0;
    display: inline;
    border: 0;
    background: transparent;
    color: var(--primary-dark);
    font-weight: 800;
    text-align: left;
    cursor: pointer;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
.subject-link:hover {
    color: var(--primary);
}

.email-modal-card {
    width: min(1120px, calc(100vw - 32px));
    max-height: min(820px, calc(100vh - 32px));
    display: grid;
    grid-template-columns: minmax(0, 1fr) 250px;
    overflow: hidden;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(255,255,255,0.65);
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.30);
}
.email-modal-main {
    position: relative;
    padding: clamp(18px, 2.3vw, 32px);
    overflow: auto;
    min-height: 420px;
}
.email-modal-actions {
    display: flex;
    position: sticky;
    top: 0;
    height: 100%;
    min-height: 420px;
    flex-direction: column;
    gap: 14px;
    padding: 28px 22px;
    border-left: 1px solid var(--border);
    background: #f8fafc;
}
.email-modal-actions .table-action {
    width: 100%;
    justify-content: center;
}
.modal-close {
    position: absolute;
    top: 16px;
    right: 18px;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    background: #eef2ff;
    color: var(--primary-dark);
    font-size: 24px;
    line-height: 1;
    padding: 0;
}
.email-modal-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px;
    margin: 0 48px 10px 0;
}
.email-body-text {
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 18px 0 0;
    padding: 18px;
    min-height: 290px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: #f8fafc;
    font: 15px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    color: #111827;
}
.modal-category {
    margin-top: 8px;
}

@media (max-width: 1040px) {
    .settings-grid,
    .settings-card,
    .email-modal-card {
        grid-template-columns: 1fr;
    }
    .email-modal-actions {
        position: relative;
        min-height: auto;
        border-left: 0;
        border-top: 1px solid var(--border);
    }
}