:root {
    --primary: #198754;
    --primary-rgb: 25, 135, 84;
    --primary-soft: rgba(25, 135, 84, 0.12);
    --body-bg: #f4f7fb;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: rgba(15, 23, 42, 0.1);
    --danger: #dc3545;
    --danger-soft: rgba(220, 53, 69, 0.1);
    --success-soft: rgba(25, 135, 84, 0.12);
    --info-soft: rgba(13, 110, 253, 0.1);
    --radius: 14px;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--body-bg);
    color: var(--text);
    line-height: 1.5;
}

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

.admin-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.admin-header-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 140px;
    flex-shrink: 0;
}

.admin-brand-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.admin-brand > div {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.admin-brand strong {
    font-size: 0.95rem;
    color: var(--primary);
}

.admin-brand span {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.admin-nav {
    display: flex;
    gap: 0.35rem;
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.admin-nav::-webkit-scrollbar {
    display: none;
}

.admin-nav a {
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.admin-nav a:hover,
.admin-nav a.is-active {
    background: var(--primary-soft);
    color: var(--primary);
}

.admin-header-actions {
    display: flex;
    gap: 0.45rem;
    margin-inline-start: auto;
    flex-wrap: wrap;
}

.admin-main {
    padding: 1.75rem 0 2.5rem;
}

.admin-container {
    width: min(1080px, calc(100% - 2rem));
    margin: 0 auto;
}

.admin-page-title {
    margin: 0 0 1.25rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.admin-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
}

.admin-card + .admin-card {
    margin-top: 1rem;
}

.admin-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.admin-card-head--tight {
    margin-bottom: 0.75rem;
}

.admin-card-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
}

.admin-card-sub {
    margin: 0.35rem 0 0;
    color: var(--text-muted);
    font-size: 0.86rem;
    line-height: 1.5;
}

.admin-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.admin-toolbar .admin-search {
    flex: 1 1 280px;
    margin-bottom: 0;
}

.admin-alert {
    padding: 0.85rem 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.admin-alert--success {
    background: var(--success-soft);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    color: #0f5132;
}

.admin-alert--error {
    background: var(--danger-soft);
    border: 1px solid rgba(220, 53, 69, 0.25);
    color: #842029;
}

.admin-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 0.65rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.admin-table th {
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    font-weight: 700;
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-table tbody tr:hover {
    background: var(--surface-2);
}

.admin-table td.admin-table-actions {
    min-width: 11rem;
    white-space: nowrap;
}

.admin-empty {
    color: var(--text-muted);
    padding: 0.5rem 0;
}

.status-pill {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-pill--active {
    background: var(--success-soft);
    color: var(--primary);
}

.status-pill--inactive {
    background: var(--danger-soft);
    color: var(--danger);
}

.status-pill--answered {
    background: var(--info-soft);
    color: #0a58ca;
}

.admin-form {
    display: grid;
    gap: 1rem;
    max-width: 720px;
}

.admin-form--wide {
    max-width: none;
}

.admin-form--spaced {
    margin-top: 1.25rem;
}

.admin-field {
    display: block;
}

.admin-field label,
.admin-field > span:first-child {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.84rem;
    font-weight: 600;
}

.admin-field input,
.admin-field textarea,
.admin-field select {
    width: 100%;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
    background: var(--surface);
    color: var(--text);
}

.admin-field textarea {
    resize: vertical;
    min-height: 6rem;
}

.admin-field input:focus,
.admin-field textarea:focus,
.admin-field select:focus {
    outline: 2px solid rgba(var(--primary-rgb), 0.25);
    border-color: rgba(var(--primary-rgb), 0.45);
}

.admin-field small,
.admin-field-hint {
    display: block;
    margin-top: 0.3rem;
    color: var(--text-muted);
    font-size: 0.78rem;
    line-height: 1.45;
}

.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.admin-check {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    font-size: 0.88rem;
    cursor: pointer;
}

.admin-check input {
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.admin-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.admin-actions--inline {
    margin-top: 0;
}

.admin-row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
}

.admin-inline-form {
    display: inline;
    margin: 0;
}

.admin-nav-badge,
.admin-inbox-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.1rem;
    height: 1.1rem;
    margin-inline-start: 0.35rem;
    padding: 0 0.3rem;
    border-radius: 999px;
    background: var(--danger);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1;
}

.admin-inbox-link {
    position: relative;
    gap: 0.35rem;
}

.admin-inbox-icon {
    font-size: 0.95rem;
    line-height: 1;
}

.priority-pill {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: capitalize;
}

.priority-pill--mandatory {
    background: var(--danger-soft);
    color: var(--danger);
}

.priority-pill--important {
    background: rgba(253, 126, 20, 0.12);
    color: #c05600;
}

.priority-pill--normal {
    background: var(--surface-2);
    color: var(--text-muted);
}

.admin-thread {
    display: grid;
    gap: 0.85rem;
}

.admin-thread-item {
    padding: 0.85rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface-2);
}

.admin-thread-item--saas_support {
    border-color: rgba(var(--primary-rgb), 0.25);
    background: var(--success-soft);
}

.admin-thread-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.45rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.admin-thread-body {
    font-size: 0.9rem;
    line-height: 1.6;
}

.admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 1rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.86rem;
    font-weight: 600;
    font-family: inherit;
    line-height: 1.2;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    white-space: nowrap;
}

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

.admin-btn--primary:hover {
    background: #157347;
    color: #fff;
}

.admin-btn--ghost {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

.admin-btn--ghost:hover {
    background: var(--surface);
    border-color: rgba(var(--primary-rgb), 0.35);
    color: var(--primary);
}

.admin-btn--small {
    min-height: 32px;
    padding: 0 0.7rem;
    font-size: 0.78rem;
}

.admin-btn.is-copied {
    border-color: rgba(var(--primary-rgb), 0.45);
    color: var(--primary);
}

.admin-search {
    margin-bottom: 0;
    flex: 1 1 320px;
}

.admin-search-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.84rem;
    font-weight: 600;
}

.admin-search-box {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.admin-search-box:focus-within {
    border-color: rgba(var(--primary-rgb), 0.45);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}

.admin-search-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
}

.admin-search-box input[type="search"] {
    flex: 1 1 auto;
    min-width: 0;
    padding: 0.65rem 0.25rem 0.65rem 0;
    border: none;
    background: transparent;
    font: inherit;
    color: var(--text);
}

.admin-search-box input[type="search"]:focus {
    outline: none;
}

.admin-search-box input[type="search"]::-webkit-search-cancel-button {
    -webkit-appearance: none;
}

.admin-search-actions {
    display: flex;
    align-items: stretch;
    flex-shrink: 0;
    border-inline-start: 1px solid var(--border);
}

.admin-search-actions .admin-btn {
    border-radius: 0;
    min-height: 42px;
    border: none;
    box-shadow: none;
}

.admin-search-actions .admin-btn--primary {
    padding-inline: 1.1rem;
}

.admin-search-actions .admin-btn--ghost {
    border-inline-start: 1px solid var(--border);
}

.admin-search-actions .admin-btn--ghost:hover {
    background: var(--surface-2);
}

.admin-muted {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.admin-user-meta {
    color: var(--text-muted);
    font-size: 0.82em;
}

.credential-box {
    margin-top: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    background: var(--surface-2);
    border: 1px dashed var(--border);
    font-family: Consolas, 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
}

.login-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.login-card {
    width: min(400px, 100%);
}

.login-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    margin-bottom: 0.75rem;
    object-fit: cover;
}

.login-card h1 {
    margin: 0 0 0.35rem;
    font-size: 1.35rem;
}

.login-card p {
    margin: 0 0 1.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.admin-preview-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}

.admin-preview-overlay[hidden] {
    display: none;
}

.admin-preview-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
}

.admin-preview-dialog {
    position: relative;
    width: min(520px, 100%);
    max-height: calc(100vh - 2.5rem);
    overflow: auto;
}

.admin-preview-panel {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.2);
    padding: 1rem 1.15rem 1.15rem;
}

.admin-preview-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.65rem;
}

.admin-preview-mode {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.admin-preview-close {
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--text-muted);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.admin-preview-close:hover {
    background: var(--danger-soft);
    color: var(--danger);
}

.admin-preview-app-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.admin-preview-login-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
    padding: 1.1rem 1.15rem 1rem;
}

.admin-preview-priority {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.admin-preview-priority--mandatory {
    background: #dc3545;
}

.admin-preview-priority--important {
    background: #fd7e14;
}

.admin-preview-priority--normal {
    background: var(--text-muted);
}

.admin-preview-title {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.35;
}

.admin-preview-body {
    white-space: pre-wrap;
    line-height: 1.7;
    font-size: 0.92rem;
    color: var(--text);
    margin-bottom: 1rem;
}

.admin-preview-footer {
    display: flex;
    justify-content: flex-end;
}

.admin-preview-ack {
    min-height: 38px;
    padding: 0 1.25rem;
    border: none;
    border-radius: 8px;
    background: #198754;
    color: #fff;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    opacity: 0.85;
    cursor: default;
}

.admin-preview-inbox-shell {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
    overflow: hidden;
}

.admin-preview-inbox-header {
    padding: 0.65rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
}

.admin-preview-inbox-item {
    padding: 0.75rem 0.85rem;
    background: rgba(15, 23, 42, 0.04);
}

.admin-preview-inbox-title {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
    line-height: 1.35;
}

.admin-preview-inbox-meta {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.admin-preview-hint {
    margin: 0.85rem 0 0;
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.45;
}

@media (max-width: 720px) {
    .admin-header-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-nav {
        order: 3;
        width: 100%;
    }

    .admin-header-actions {
        margin-inline-start: 0;
        justify-content: flex-start;
        width: 100%;
    }

    .admin-header-actions .admin-btn {
        flex: 1 1 auto;
        min-width: 0;
    }

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

    .admin-card-head .admin-btn {
        align-self: flex-start;
    }

    .admin-form-grid {
        grid-template-columns: 1fr;
    }

    .admin-table td.admin-table-actions {
        min-width: 8rem;
    }

    .admin-row-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-search-box {
        flex-direction: column;
        border-radius: var(--radius);
    }

    .admin-search-icon {
        display: none;
    }

    .admin-search-box input[type="search"] {
        padding: 0.75rem 0.85rem;
        border-bottom: 1px solid var(--border);
    }

    .admin-search-actions {
        border-inline-start: none;
        width: 100%;
    }

    .admin-search-actions .admin-btn {
        flex: 1 1 50%;
        border-radius: 0;
    }

    .admin-search-actions .admin-btn--ghost {
        border-inline-start: 1px solid var(--border);
    }
}