/*
 * Broadcast email service ("Почта" tab).
 * Reuses the admin OS palette tokens so the module sits next to the analytics
 * and diagnostics screens without introducing a second visual language.
 */

.mail-shell {
    --mail-panel: var(--analytics-surface, var(--os-panel, #1d222c));
    --mail-panel-soft: var(--analytics-surface-soft, var(--os-panel-2, #181c25));
    --mail-panel-raised: var(--analytics-surface-raised, var(--os-panel-3, #242a36));
    --mail-line: var(--analytics-line, var(--os-border, rgba(151, 168, 195, 0.14)));
    --mail-line-strong: var(--analytics-line-strong, var(--os-border-strong, rgba(151, 168, 195, 0.26)));
    --mail-text: var(--analytics-text, var(--os-text, #e7ebf2));
    --mail-muted: var(--analytics-muted, var(--os-muted, #a7b1c2));
    --mail-faint: var(--analytics-faint, var(--os-muted-2, #7f8ba0));
    --mail-accent: #69d7d0;
    --mail-orange: #f0b36b;
    --mail-green: #7bd8a7;
    --mail-red: #ff8290;
    display: grid;
    gap: 12px;
    color: var(--mail-text);
}

.mail-head,
.mail-viewnav,
.mail-card,
.mail-state,
.mail-progress {
    border: 1px solid var(--mail-line);
    border-radius: 12px;
    background: var(--mail-panel);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.16);
}

/* ------------------------------------------------------------------ head -- */

.mail-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 17px 18px;
}

.mail-head h3 {
    margin: 3px 0 0;
    font-size: clamp(20px, 1.45vw, 25px);
    font-weight: 680;
    letter-spacing: -0.025em;
    color: var(--mail-text);
}

.mail-head p {
    max-width: 82ch;
    margin: 5px 0 0;
    color: var(--mail-muted);
    font-size: 13px;
    line-height: 1.55;
}

.mail-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--mail-accent);
    font-size: 10px;
    font-weight: 750;
    letter-spacing: 0.1em;
}

.mail-head__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.mail-shell code {
    padding: 1px 5px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.06);
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.92em;
    color: var(--mail-accent);
}

/* --------------------------------------------------------------- buttons -- */

.mail-btn,
.mail-chip,
.mail-tool,
.mail-token,
.mail-iconbtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 1px solid var(--mail-line-strong);
    border-radius: 9px;
    background: var(--mail-panel-raised);
    color: var(--mail-text);
    font: inherit;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.mail-btn {
    padding: 9px 15px;
    font-size: 12px;
    font-weight: 650;
}

.mail-btn:hover:not(:disabled),
.mail-chip:hover:not(:disabled),
.mail-tool:hover,
.mail-token:hover,
.mail-iconbtn:hover {
    border-color: var(--mail-accent);
    color: #fff;
}

.mail-btn:disabled,
.mail-chip:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mail-btn--primary {
    border-color: transparent;
    background: linear-gradient(135deg, #f0954a, #e0762a);
    color: #12151c;
    font-weight: 750;
}

.mail-btn--primary:hover:not(:disabled) {
    filter: brightness(1.08);
    color: #12151c;
}

.mail-chip {
    padding: 6px 12px;
    font-size: 11.5px;
    font-weight: 620;
    color: var(--mail-muted);
}

.mail-chip.is-active {
    border-color: var(--mail-accent);
    background: rgba(105, 215, 208, 0.14);
    color: #fff;
}

.mail-linkbtn {
    border: 0;
    background: none;
    padding: 0 2px;
    color: var(--mail-accent);
    font: inherit;
    font-size: 11.5px;
    font-weight: 650;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.mail-linkbtn:hover {
    color: #fff;
}

.mail-iconbtn {
    width: 30px;
    height: 30px;
    padding: 0;
    font-size: 12px;
    color: var(--mail-muted);
}

.mail-iconbtn.is-danger:hover {
    border-color: var(--mail-red);
    color: var(--mail-red);
}

/* -------------------------------------------------------------- view nav -- */

.mail-viewnav {
    display: flex;
    gap: 6px;
    padding: 6px;
    overflow-x: auto;
}

.mail-viewnav__item {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 0;
    min-width: 168px;
    padding: 10px 13px;
    border: 1px solid transparent;
    border-radius: 9px;
    background: none;
    color: var(--mail-muted);
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.mail-viewnav__item:hover {
    background: var(--mail-panel-soft);
    color: var(--mail-text);
}

.mail-viewnav__item.is-active {
    border-color: var(--mail-line-strong);
    background: var(--mail-panel-raised);
    color: #fff;
}

.mail-viewnav__item i {
    font-size: 14px;
    color: var(--mail-accent);
}

.mail-viewnav__copy {
    display: grid;
    min-width: 0;
}

.mail-viewnav__copy b {
    font-size: 13px;
    font-weight: 650;
}

.mail-viewnav__copy small {
    color: var(--mail-faint);
    font-size: 10.5px;
}

.mail-viewnav__count {
    margin-left: auto;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 10.5px;
    color: var(--mail-muted);
}

/* ------------------------------------------------------------- progress --- */

.mail-progress {
    display: grid;
    gap: 9px;
    padding: 14px 18px;
}

.mail-progress__bar {
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    overflow: hidden;
}

.mail-progress__bar span {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #f0954a, #69d7d0);
    transition: width 0.3s ease;
}

.mail-progress__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 12px;
    color: var(--mail-muted);
}

.mail-progress__meta .is-ok,
.mail-table .is-ok { color: var(--mail-green); }
.mail-progress__meta .is-bad,
.mail-table .is-bad { color: var(--mail-red); }

/* ----------------------------------------------------------------- cards -- */

.mail-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.mail-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 13px 16px;
    border-bottom: 1px solid var(--mail-line);
    background: var(--mail-panel-soft);
}

.mail-card__head h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 13px;
    font-weight: 680;
    letter-spacing: 0.01em;
    color: #fff;
}

.mail-card__head h4 i {
    color: var(--mail-accent);
    font-size: 12px;
}

.mail-card__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.mail-card__body {
    padding: 16px;
}

.mail-hint {
    margin: 10px 0 0;
    color: var(--mail-faint);
    font-size: 11.5px;
    line-height: 1.55;
}

.mail-card__body > .mail-hint:first-child {
    margin-top: 0;
}

/* -------------------------------------------------------------- composer -- */

.mail-compose {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(320px, 1fr);
    gap: 12px;
    align-items: start;
}

.mail-compose__editor,
.mail-compose__side {
    display: grid;
    gap: 12px;
    min-width: 0;
}

.mail-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.mail-field {
    display: grid;
    gap: 5px;
    min-width: 0;
}

.mail-field--wide {
    grid-column: 1 / -1;
}

.mail-field > span {
    display: flex;
    align-items: baseline;
    gap: 7px;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mail-muted);
}

.mail-field > span small {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--mail-faint);
}

.mail-field input,
.mail-search,
.mail-source {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--mail-line-strong);
    border-radius: 9px;
    background: var(--mail-panel-soft);
    color: var(--mail-text);
    font: inherit;
    font-size: 13px;
    outline: none;
}

.mail-field input:focus,
.mail-search:focus,
.mail-source:focus {
    border-color: var(--mail-accent);
    box-shadow: 0 0 0 3px rgba(105, 215, 208, 0.14);
}

.mail-search {
    width: auto;
    min-width: 200px;
    padding: 7px 11px;
    font-size: 12px;
}

.mail-templates {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* --------------------------------------------------------- editor & tools -- */

.mail-toolbar {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
    padding: 9px 12px;
    border-bottom: 1px solid var(--mail-line);
    background: var(--mail-panel-soft);
}

.mail-tool {
    min-width: 32px;
    height: 30px;
    padding: 0 9px;
    font-size: 12px;
    color: var(--mail-muted);
}

.mail-tool-sep {
    width: 1px;
    height: 18px;
    margin: 0 3px;
    background: var(--mail-line-strong);
}

.mail-tokens {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 8px 12px;
    border-bottom: 1px solid var(--mail-line);
    font-size: 11px;
    color: var(--mail-faint);
}

.mail-token {
    padding: 3px 8px;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 10.5px;
    color: var(--mail-accent);
}

.mail-editor {
    min-height: 340px;
    max-height: 62vh;
    padding: 20px 22px;
    overflow-y: auto;
    background: var(--mail-panel-soft);
    color: var(--mail-text);
    font-size: 14px;
    line-height: 1.65;
    outline: none;
}

.mail-editor:focus {
    box-shadow: inset 0 0 0 1px var(--mail-accent);
}

.mail-editor h1,
.mail-editor h2,
.mail-editor h3 {
    margin: 0 0 10px;
    color: #fff;
    font-weight: 680;
    line-height: 1.3;
}

.mail-editor h1 { font-size: 22px; }
.mail-editor h2 { font-size: 19px; }
.mail-editor h3 { font-size: 16px; }
.mail-editor p { margin: 0 0 14px; }
.mail-editor ul,
.mail-editor ol { margin: 0 0 14px; padding-left: 22px; }
.mail-editor li { margin: 0 0 6px; }
.mail-editor a { color: var(--mail-accent); }
.mail-editor img { max-width: 100%; height: auto; border-radius: 8px; }
.mail-editor hr { border: 0; border-top: 1px solid var(--mail-line-strong); margin: 20px 0; }

.mail-editor blockquote {
    margin: 0 0 14px;
    padding: 10px 14px;
    border-left: 3px solid var(--mail-orange);
    background: rgba(255, 255, 255, 0.04);
}

.mail-editor .fl-btn a {
    display: inline-block;
    padding: 11px 26px;
    border-radius: 9px;
    background: #ff8c2b;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
}

.mail-source {
    min-height: 340px;
    max-height: 62vh;
    border: 0;
    border-radius: 0;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 12px;
    line-height: 1.6;
    resize: vertical;
}

/* -------------------------------------------------------------- preview --- */

.mail-inbox-row {
    display: flex;
    gap: 11px;
    padding: 11px 12px;
    border: 1px solid var(--mail-line);
    border-radius: 10px;
    background: var(--mail-panel-soft);
}

.mail-inbox-avatar {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #f0954a, #e0762a);
    color: #12151c;
    font-size: 11px;
    font-weight: 800;
}

.mail-inbox-copy {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.mail-inbox-copy b { font-size: 12.5px; color: #fff; }
.mail-inbox-copy span { font-size: 12.5px; color: var(--mail-text); }
.mail-inbox-copy small { font-size: 11.5px; color: var(--mail-faint); }

.mail-inbox-copy b,
.mail-inbox-copy span,
.mail-inbox-copy small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mail-preview {
    margin-top: 12px;
    border: 1px solid var(--mail-line);
    border-radius: 10px;
    background: #0b0e14;
    overflow: hidden;
}

.mail-preview iframe {
    display: block;
    width: 100%;
    height: 460px;
    border: 0;
    background: #0b0e14;
}

.mail-preview--mobile {
    max-width: 380px;
    margin-inline: auto;
}

.mail-preview--mobile iframe {
    height: 560px;
}

/* ------------------------------------------------------------ checklist --- */

.mail-checklist {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.mail-check {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--mail-muted);
}

.mail-check i {
    margin-top: 2px;
    font-size: 12px;
}

.mail-check--ok i { color: var(--mail-green); }
.mail-check--warn i { color: var(--mail-orange); }
.mail-check--bad i { color: var(--mail-red); }
.mail-check--bad span { color: var(--mail-red); }

.mail-audience-count {
    margin: 0;
    font-size: 13px;
    color: var(--mail-muted);
}

.mail-audience-count b {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-right: 6px;
}

.mail-test {
    display: grid;
    gap: 9px;
}

/* -------------------------------------------------------------- audience -- */

.mail-audience,
.mail-suppressions {
    display: grid;
    gap: 12px;
}

.mail-filters {
    display: grid;
    gap: 14px;
}

.mail-filter-group {
    display: grid;
    gap: 7px;
}

.mail-filter-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mail-faint);
}

.mail-chips {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.mail-audience-summary {
    margin: 0;
    padding: 11px 13px;
    border: 1px solid var(--mail-line);
    border-radius: 10px;
    background: var(--mail-panel-soft);
    font-size: 12.5px;
    line-height: 1.55;
    color: var(--mail-muted);
}

.mail-audience-summary b {
    color: #fff;
    font-size: 15px;
}

/* ---------------------------------------------------------------- tables -- */

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

.mail-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
}

.mail-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    padding: 9px 12px;
    border-bottom: 1px solid var(--mail-line-strong);
    background: var(--mail-panel-soft);
    color: var(--mail-faint);
    font-size: 10px;
    font-weight: 750;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    text-align: left;
    white-space: nowrap;
}

.mail-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--mail-line);
    color: var(--mail-text);
    vertical-align: middle;
}

.mail-table tbody tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.mail-table tr.is-muted td {
    opacity: 0.55;
}

.mail-table tr.is-open td {
    background: rgba(105, 215, 208, 0.06);
}

.mail-table--compact td,
.mail-table--compact th {
    padding: 6px 10px;
}

.mail-table .is-num {
    text-align: right;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    white-space: nowrap;
}

.mail-table .is-narrow {
    width: 1%;
    white-space: nowrap;
}

.mail-table .mono,
.mail-cell-sub.mono {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 11.5px;
}

.mail-cell-main {
    font-weight: 620;
    color: #fff;
}

.mail-cell-sub {
    margin-top: 2px;
    color: var(--mail-faint);
    font-size: 11px;
    max-width: 42ch;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mail-row-actions {
    display: flex;
    gap: 5px;
}

.mail-empty {
    padding: 26px 12px !important;
    text-align: center;
    color: var(--mail-faint);
}

.mail-more-row td {
    padding: 0 !important;
}

.mail-more-row button {
    width: 100%;
    padding: 10px;
    border: 0;
    background: var(--mail-panel-soft);
    color: var(--mail-accent);
    font: inherit;
    font-size: 11.5px;
    font-weight: 650;
    cursor: pointer;
}

.mail-more-row button:hover {
    background: var(--mail-panel-raised);
    color: #fff;
}

.mail-detail-row td {
    padding: 0 !important;
    background: var(--mail-panel-soft);
}

.mail-detail {
    display: grid;
    gap: 10px;
    padding: 12px;
}

.mail-detail-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px;
    color: var(--mail-muted);
    font-size: 12px;
}

/* ------------------------------------------------------------------ tags -- */

.mail-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 9px;
    border: 1px solid var(--mail-line-strong);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    font-size: 10.5px;
    font-weight: 650;
    white-space: nowrap;
    color: var(--mail-muted);
}

.mail-tag--ok { border-color: rgba(123, 216, 167, 0.4); background: rgba(123, 216, 167, 0.12); color: var(--mail-green); }
.mail-tag--warn { border-color: rgba(240, 179, 107, 0.4); background: rgba(240, 179, 107, 0.12); color: var(--mail-orange); }
.mail-tag--bad { border-color: rgba(255, 130, 144, 0.4); background: rgba(255, 130, 144, 0.12); color: var(--mail-red); }
.mail-tag--info { border-color: rgba(105, 215, 208, 0.4); background: rgba(105, 215, 208, 0.12); color: var(--mail-accent); }

/* ---------------------------------------------------------------- states -- */

.mail-state {
    display: grid;
    justify-items: center;
    gap: 10px;
    padding: 52px 24px;
    text-align: center;
}

.mail-state i {
    font-size: 26px;
    color: var(--mail-faint);
}

.mail-state h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 680;
    color: #fff;
}

.mail-state p {
    max-width: 60ch;
    margin: 0;
    color: var(--mail-muted);
    font-size: 13px;
    line-height: 1.55;
}

.mail-state--error i {
    color: var(--mail-red);
}

/* ------------------------------------------------------------ responsive -- */

@media (max-width: 1280px) {
    .mail-compose {
        grid-template-columns: minmax(0, 1fr);
    }

    .mail-preview iframe {
        height: 420px;
    }
}

@media (max-width: 720px) {
    .mail-head,
    .mail-progress {
        flex-direction: column;
        align-items: stretch;
    }

    .mail-head__actions {
        justify-content: flex-start;
    }

    .mail-fields {
        grid-template-columns: minmax(0, 1fr);
    }

    .mail-viewnav__item {
        min-width: 140px;
    }

    .mail-editor,
    .mail-source {
        min-height: 260px;
    }

    .mail-search {
        min-width: 0;
        width: 100%;
    }
}