:root {
    color-scheme: light;
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-soft: #edf3f5;
    --text: #172026;
    --muted: #6a747c;
    --line: #dce4e8;
    --brand: #0f766e;
    --brand-dark: #115e59;
    --danger: #b42318;
    --shadow: 0 18px 50px rgba(23, 32, 38, .08);
}

* {
    box-sizing: border-box;
}

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

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

button,
.small-button {
    border: 0;
    border-radius: 8px;
    background: var(--brand);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    font: inherit;
    font-weight: 750;
}

button:hover,
.small-button:hover {
    background: var(--brand-dark);
}

.ghost {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text);
}

.danger,
.danger:hover {
    color: var(--danger);
}

.login-page {
    display: grid;
    place-items: center;
    padding: 24px;
}

.auth-box {
    width: min(420px, 100%);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 32px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    padding: 18px clamp(16px, 4vw, 44px);
    background: rgba(244, 246, 248, .9);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
}

h1,
h2 {
    margin: 0;
    line-height: 1.1;
}

h1 {
    font-size: clamp(1.8rem, 4vw, 3.2rem);
}

h2 {
    font-size: 1.15rem;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--brand-dark);
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
    font-size: .78rem;
}

.admin-shell {
    width: min(1500px, 100%);
    margin: 0 auto;
    padding: 24px clamp(14px, 4vw, 44px) 52px;
}

.dashboard,
.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.compact-nav {
    position: sticky;
    top: 88px;
    z-index: 4;
}

.admin-link,
.stats article,
.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(23, 32, 38, .04);
}

.admin-link {
    display: grid;
    gap: 7px;
    padding: 18px;
}

.admin-link.active {
    border-color: rgba(15, 118, 110, .55);
    background: #f0fdfa;
}

.admin-link span,
.muted,
.search-note,
.list-item span,
.customer-row span,
.stats span {
    color: var(--muted);
}

.stats article {
    padding: 16px;
}

.stats strong {
    display: block;
    font-size: 2rem;
}

.code-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: #e0f2f1;
    color: var(--brand-dark);
    min-height: 30px;
    padding: 4px 10px;
    font-size: .84rem;
    font-weight: 800;
}

.workspace {
    display: grid;
    grid-template-columns: 310px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.panel {
    padding: 18px;
}

.panel-head,
.hero-panel,
.list-item,
.actions,
.task-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.customer-list {
    position: sticky;
    top: 98px;
}

.search-note {
    margin: 10px 0 14px;
    line-height: 1.4;
}

.customer-row {
    display: grid;
    gap: 4px;
    padding: 12px;
    border-radius: 8px;
}

.customer-row.active,
.customer-row:hover {
    background: var(--surface-soft);
}

.content,
.stack {
    display: grid;
    gap: 18px;
}

.module-block {
    display: grid;
    gap: 18px;
    margin: 26px 0;
    scroll-margin-top: 120px;
}

.section-title {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 14px;
}

.section-title h2 {
    font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.grid {
    display: grid;
    gap: 18px;
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: .9rem;
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    font: inherit;
    min-height: 42px;
    padding: 10px 12px;
}

textarea {
    min-height: 96px;
    resize: vertical;
}

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

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

.check-line {
    align-items: center;
    grid-template-columns: auto 1fr;
    min-height: 42px;
    padding: 10px 0;
}

.check-line input {
    width: 18px;
    min-height: 18px;
}

.table-list {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.list-item {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    background: #fff;
}

.list-item div:first-child {
    display: grid;
    gap: 4px;
}

.icon-button {
    min-height: 34px;
    padding: 0 10px;
    background: #edf3f5;
    color: var(--text);
    font-size: .84rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    text-decoration: none;
}

.icon-button.primary-action {
    background: var(--brand);
    color: #fff;
}

.icon-button.primary-action:hover {
    background: var(--brand-dark);
}

.upload-row,
.task-form {
    display: grid;
    grid-template-columns: minmax(120px, .7fr) minmax(180px, 1fr) auto;
    gap: 10px;
    align-items: end;
    margin-top: 14px;
}

.ftp-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
    border: 1px dashed var(--line);
    border-radius: 8px;
    padding: 12px;
    color: var(--muted);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 14px;
    margin-top: 16px;
}

.media-grid article {
    display: grid;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px;
    background: #fff;
}

.media-grid img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 6px;
    background: var(--surface-soft);
}

.inquiry {
    align-items: start;
}

.inquiry.unread {
    border-color: rgba(15, 118, 110, .45);
    background: #f0fdfa;
}

.inquiry p {
    margin: 8px 0 0;
}

.gallery-workspace {
    margin-top: 18px;
}

.dashboard-panels {
    margin-top: 18px;
}

.gallery-mail-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    padding: 14px;
}

.gallery-mail-box div {
    display: grid;
    gap: 5px;
    min-width: 0;
}

.gallery-mail-box span {
    color: var(--muted);
    overflow-wrap: anywhere;
}

button:disabled {
    cursor: not-allowed;
    opacity: .5;
}

.mail-preview {
    margin-top: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    padding: 14px;
}

.mail-preview summary {
    cursor: pointer;
    font-weight: 800;
}

.mail-preview div {
    margin-top: 12px;
    color: var(--text);
    line-height: 1.65;
}

.settings-accordion {
    padding: 0;
}

.settings-accordion summary {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    list-style: none;
    padding: 18px;
}

.settings-accordion summary::-webkit-details-marker {
    display: none;
}

.settings-accordion summary::after {
    content: "+";
    display: inline-grid;
    place-items: center;
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--brand-dark);
    font-size: 1.3rem;
    font-weight: 800;
}

.settings-accordion[open] summary::after {
    content: "-";
}

.settings-accordion summary span {
    display: grid;
    gap: 4px;
}

.settings-accordion summary strong {
    font-size: 1.15rem;
}

.settings-accordion summary small {
    color: var(--muted);
    font-size: .9rem;
}

.settings-accordion form {
    border-top: 1px solid var(--line);
    margin: 0;
    padding: 18px;
}

.security-grid {
    align-items: start;
}

.secret-box {
    display: grid;
    gap: 8px;
    margin: 16px 0;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-soft);
}

.secret-box span {
    color: var(--muted);
    font-size: .9rem;
    font-weight: 700;
}

.secret-box strong,
.code-uri {
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    overflow-wrap: anywhere;
    line-height: 1.5;
}

.task-row {
    margin-top: 10px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.task-row.done span {
    text-decoration: line-through;
    color: var(--muted);
}

.alert {
    width: min(1500px, calc(100% - 28px));
    margin: 16px auto 0;
    border-radius: 8px;
    padding: 12px 14px;
}

.alert.error {
    background: #fff1f0;
    color: #912018;
}

.alert.success {
    background: #ecfdf3;
    color: #05603a;
}

@media (max-width: 1050px) {
    .dashboard,
    .stats,
    .grid.two,
    .mini-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .customer-list {
        position: static;
    }
}

@media (max-width: 680px) {
    body {
        background: #fff;
    }

    .topbar {
        position: static;
    }

    .page-nav {
        position: static;
        display: flex;
        overflow-x: auto;
        gap: 10px;
        padding-bottom: 4px;
        scroll-snap-type: x mandatory;
    }

    .page-nav .admin-link {
        min-width: 210px;
        scroll-snap-align: start;
    }

    .topbar,
    .hero-panel,
    .panel-head,
    .list-item,
    .actions,
    .task-row,
    .section-title,
    .ftp-line,
    .gallery-mail-box {
        align-items: stretch;
        flex-direction: column;
    }

    .dashboard,
    .stats,
    .grid.two,
    .mini-grid,
    .form-grid,
    .upload-row,
    .task-form {
        grid-template-columns: 1fr;
    }

    .admin-shell {
        padding-inline: 12px;
        padding-top: 12px;
    }

    .panel,
    .auth-box {
        border-left: 0;
        border-right: 0;
        border-radius: 0;
        box-shadow: none;
        padding: 16px 12px;
        margin-left: -12px;
        margin-right: -12px;
    }

    .settings-accordion summary,
    .settings-accordion form {
        padding: 16px 12px;
    }

    .stats article,
    .admin-link {
        border-radius: 8px;
    }

    button,
    .small-button {
        width: 100%;
    }

    input,
    textarea,
    select {
        font-size: 16px;
    }
}