:root {
    --bg: #f4f6f2;
    --surface: #ffffff;
    --line: #d8dfd6;
    --ink: #213138;
    --ink-soft: #5a6b73;
    --brand: #0f6d6a;
    --brand-dark: #0b4f4d;
    --danger: #c0392b;
    --success: #1f9d5b;
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

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

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 18px;
    background: radial-gradient(circle at top left, #dbe7e1, #f4f6f2 42%);
}

.login-card {
    width: min(430px, 92vw);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 18px 30px rgba(24, 34, 39, 0.08);
}

.login-card h1 {
    margin-top: 0;
    margin-bottom: 8px;
}

.login-card p {
    margin-top: 0;
    color: var(--ink-soft);
}

.login-card form {
    display: grid;
    gap: 10px;
    margin-bottom: 8px;
}

.login-card label {
    display: grid;
    gap: 6px;
    font-weight: 600;
}

.login-card input,
.login-card button {
    width: 100%;
    padding: 11px;
    border-radius: 10px;
    border: 1px solid var(--line);
    font: inherit;
}

.login-card button {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    font-weight: 700;
}

.login-card button:hover {
    background: var(--brand-dark);
}

.admin-layout {
    display: grid;
    grid-template-columns: 265px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: #132129;
    color: #e8eef2;
    padding: 20px;
    border-right: 1px solid #223840;
}

.brand strong {
    display: block;
    font-size: 22px;
}

.brand small {
    color: #9fb2bc;
}

.sidebar nav {
    margin-top: 20px;
    display: grid;
    gap: 6px;
}

.sidebar nav a {
    padding: 10px 12px;
    border-radius: 10px;
    color: #d8e2e7;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    background: #1f3742;
    color: #fff;
}

.content-wrap {
    display: flex;
    flex-direction: column;
}

.content-top {
    padding: 18px 24px;
    border-bottom: 1px solid var(--line);
    background: #f7faf8;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.content-top h1 {
    margin: 0;
    font-size: 26px;
}

.admin-user {
    text-align: right;
}

.admin-user strong {
    display: block;
}

.admin-user small {
    color: var(--ink-soft);
}

.content {
    padding: 20px;
    display: grid;
    gap: 16px;
}

.notice {
    padding: 11px 12px;
    border-radius: 10px;
    font-weight: 600;
}

.notice.success {
    background: #e7f8ef;
    color: var(--success);
}

.notice.error {
    background: #fdecea;
    color: var(--danger);
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.grid-cards article {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
}

.grid-cards h3 {
    margin: 0 0 8px;
    font-size: 14px;
    color: var(--ink-soft);
}

.grid-cards strong {
    font-size: 30px;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
}

.panel h2 {
    margin-top: 0;
}

.two-col {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 16px;
}

.quick-links {
    display: grid;
    gap: 8px;
}

.quick-links a {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px;
    font-weight: 600;
    background: #fcfdfc;
}

.quick-links a:hover {
    border-color: var(--brand);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    border-bottom: 1px solid var(--line);
    text-align: left;
    padding: 9px 8px;
    font-size: 14px;
}

.filter-grid,
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.filter-grid input,
.filter-grid select,
.filter-grid button,
.form-grid input,
.form-grid select,
.form-grid textarea,
.form-grid button {
    width: 100%;
    font: inherit;
    border-radius: 10px;
    border: 1px solid var(--line);
    padding: 10px;
}

.form-grid textarea {
    resize: vertical;
}

.filter-grid button,
.form-grid button,
.lead-update-form button {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    font-weight: 700;
    cursor: pointer;
}

.filter-grid button:hover,
.form-grid button:hover,
.lead-update-form button:hover {
    background: var(--brand-dark);
}

.btn-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid var(--line);
    font-weight: 700;
    background: #fff;
}

.btn-inline:hover {
    border-color: var(--brand);
}

.lead-list {
    display: grid;
    gap: 10px;
}

.lead-item {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 12px;
}

.lead-main {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 12px;
}

.lead-main h3 {
    margin: 0;
}

.lead-main p {
    margin: 6px 0;
    color: var(--ink-soft);
}

.lead-update-form {
    display: grid;
    gap: 8px;
}

.lead-update-form label,
.form-grid label {
    display: grid;
    gap: 5px;
    font-size: 14px;
    font-weight: 600;
}

.checkbox-inline {
    display: flex !important;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.checkbox-inline input {
    width: auto !important;
}

.pagination {
    margin-top: 12px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.pagination a {
    min-width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    border: 1px solid var(--line);
}

.pagination a.active {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
}

.stack-list {
    display: grid;
    gap: 10px;
}

details {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px;
}

details summary {
    cursor: pointer;
    font-weight: 700;
    margin-bottom: 10px;
}

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

.delete-form {
    margin-top: 10px;
}

button.danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
    border-radius: 10px;
    padding: 8px 10px;
    font-weight: 700;
    cursor: pointer;
}

.update-actions-row {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.update-info-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.update-info-grid article {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 12px;
    background: #fcfdfc;
}

.update-info-grid h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

.update-info-grid pre {
    margin: 0;
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    color: #33456a;
}

@media (max-width: 1080px) {
    .grid-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .two-col,
    .lead-main,
    .filter-grid,
    .form-grid,
    .form-grid.compact,
    .update-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        padding: 14px;
    }

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

    .content-top {
        padding: 14px;
        flex-direction: column;
        align-items: flex-start;
    }
}