@font-face {
    font-family: SahebatUI;
    src: local("Tahoma");
}

:root {
    --bg: #f6f7fb;
    --ink: #172033;
    --muted: #667085;
    --line: #dfe4ee;
    --card: #ffffff;
    --primary: #176b87;
    --primary-dark: #0f4c5c;
    --accent: #f2b84b;
    --ok: #2f9e6d;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: SahebatUI, Tahoma, Arial, sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px clamp(18px, 4vw, 56px);
    background: rgba(255, 255, 255, .9);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.brand {
    font-size: 22px;
    font-weight: 900;
    color: var(--primary-dark);
}

.topbar nav {
    display: flex;
    gap: 12px;
    color: var(--muted);
    font-size: 14px;
}

.page {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 34px 0 56px;
}

.hero {
    min-height: 430px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 28px;
    align-items: center;
    padding: clamp(30px, 6vw, 70px);
    background:
        linear-gradient(135deg, rgba(23, 107, 135, .92), rgba(15, 76, 92, .82)),
        url("https://picsum.photos/seed/ad-platform-workspace/1400/760") center/cover;
    color: #fff;
    border-radius: 8px;
}

.hero h1,
.dashboard-head h1 {
    margin: 8px 0 14px;
    font-size: clamp(30px, 5vw, 56px);
    line-height: 1.2;
    letter-spacing: 0;
}

.hero p {
    max-width: 680px;
    color: rgba(255, 255, 255, .84);
    font-size: 17px;
    line-height: 2;
}

.eyebrow {
    margin: 0;
    color: var(--accent);
    font-weight: 800;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.btn {
    border: 1px solid transparent;
    border-radius: 7px;
    padding: 11px 18px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
}

.btn.primary {
    color: #fff;
    background: var(--primary);
}

.btn.ghost {
    color: var(--primary-dark);
    background: #fff;
    border-color: var(--line);
}

.btn.small {
    min-height: 34px;
    padding: 7px 11px;
    font-size: 12px;
}

.hero .btn.ghost {
    color: #fff;
    background: rgba(255, 255, 255, .12);
    border-color: rgba(255, 255, 255, .32);
}

.live-card,
.panel,
.feature,
.stats > div {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(31, 42, 68, .08);
}

.live-card {
    color: var(--ink);
    padding: 26px;
}

.live-card span,
.stats span,
.balance span,
td small,
.hint {
    color: var(--muted);
}

.live-card strong {
    display: block;
    font-size: 62px;
    color: var(--primary-dark);
    margin: 8px 0 0;
}

.mini-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 20px;
}

.mini-grid b {
    padding: 14px;
    background: #eef7f7;
    border-radius: 7px;
    color: var(--primary-dark);
}

.mini-grid small,
td small {
    display: block;
    margin-top: 4px;
    font-weight: 400;
}

.grid.three {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 22px;
}

.feature,
.panel {
    padding: 22px;
}

.feature h2,
.panel h2 {
    margin: 0 0 10px;
    font-size: 20px;
}

.feature p {
    margin: 0;
    color: var(--muted);
    line-height: 1.9;
}

.auth {
    min-height: 62vh;
    display: grid;
    place-items: center;
}

.auth .panel {
    width: min(430px, 100%);
}

.auth.wide-auth .panel {
    width: min(620px, 100%);
}

.role-switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 14px 0 18px;
}

.role-switch label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #f8fafc;
    cursor: pointer;
}

.role-switch input {
    width: auto;
}

.publisher-fields {
    margin: 16px 0;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
}

.preview-box {
    display: grid;
    place-items: center;
    min-height: 120px;
    margin-top: 18px;
    border: 1px dashed var(--primary);
    border-radius: 8px;
    color: var(--primary-dark);
    background: #eef7f7;
}

.preview-box strong {
    font-size: 34px;
}

label {
    display: grid;
    gap: 7px;
    margin-bottom: 13px;
    color: #344054;
    font-size: 14px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 7px;
    padding: 11px 12px;
    font: inherit;
    background: #fff;
    color: var(--ink);
}

textarea {
    min-height: 72px;
    direction: ltr;
    resize: vertical;
}

.alert {
    padding: 12px;
    margin-bottom: 14px;
    border-radius: 7px;
    background: #fff2f2;
    color: #b42318;
    border: 1px solid #ffd6d6;
}

.alert.ok {
    background: #edf8f2;
    color: #087443;
    border-color: #c7eed8;
}

.inline-form {
    display: inline;
}

.inline-form .btn {
    white-space: nowrap;
}

.dashboard-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
}

.dashboard-head h1 {
    font-size: clamp(28px, 4vw, 44px);
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.stats > div {
    padding: 18px;
}

.stats strong {
    display: block;
    margin-top: 8px;
    font-size: 26px;
    color: var(--primary-dark);
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: start;
}

.admin-menu {
    position: sticky;
    top: 65px;
    z-index: 8;
    display: flex;
    gap: 6px;
    align-items: center;
    overflow-x: auto;
    margin-bottom: 18px;
    padding: 10px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(31, 42, 68, .08);
}

.admin-menu strong {
    flex: 0 0 auto;
    padding: 8px 12px;
    color: var(--primary-dark);
    border-left: 1px solid var(--line);
    white-space: nowrap;
}

.admin-menu a {
    flex: 0 0 auto;
    padding: 10px 11px;
    border-radius: 7px;
    color: #475569;
    font-weight: 800;
    white-space: nowrap;
}

.admin-menu a.active,
.admin-menu a:hover {
    color: #fff;
    background: var(--primary);
}

.subtabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0 0 16px;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
}

.subtabs a {
    padding: 9px 14px;
    border-radius: 7px;
    color: #475569;
    font-weight: 800;
}

.subtabs a.active {
    color: #fff;
    background: var(--primary-dark);
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.table-panel {
    margin-top: 18px;
    overflow-x: auto;
}

.section-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.section-toolbar h2 {
    margin: 0;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 18px;
}

.modal.open {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, .5);
}

.modal-panel {
    position: relative;
    z-index: 1;
    width: min(720px, 100%);
    max-height: min(760px, calc(100vh - 36px));
    overflow: auto;
    padding: 22px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 30px 80px rgba(15, 23, 42, .25);
}

.modal-head,
.modal-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.modal-head {
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

.modal-head h2 {
    margin: 0;
}

.modal-close {
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #f8fafc;
    color: var(--ink);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.modal-actions {
    justify-content: flex-end;
    margin-top: 12px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.settings-grid > div {
    min-height: 130px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
}

.settings-grid span,
.settings-grid small {
    display: block;
    color: var(--muted);
}

.settings-grid strong {
    display: block;
    margin: 9px 0;
    color: var(--primary-dark);
    font-size: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 740px;
}

th,
td {
    padding: 13px 10px;
    border-bottom: 1px solid var(--line);
    text-align: right;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
}

.badge {
    display: inline-flex;
    padding: 5px 9px;
    border-radius: 999px;
    background: #edf8f2;
    color: var(--ok);
    font-size: 12px;
    font-weight: 800;
}

.balance {
    background: var(--primary-dark);
    color: #fff;
    border-radius: 8px;
    padding: 16px 20px;
    font-size: 24px;
    font-weight: 900;
}

.balance span {
    display: block;
    color: rgba(255, 255, 255, .72);
    font-size: 13px;
    margin-top: 6px;
}

.footer {
    border-top: 1px solid var(--line);
    padding: 18px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 840px) {
    .hero,
    .split,
    .grid.three,
    .stats,
    .settings-grid {
        grid-template-columns: 1fr;
    }

    .admin-menu {
        position: static;
    }

    .dashboard-head {
        align-items: stretch;
        flex-direction: column;
    }

    .row {
        grid-template-columns: 1fr;
    }
}