:root {
    --bg: #0b0b0d;
    --bg-soft: #121216;
    --card: #17171c;
    --card-hover: #1e1e25;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #f5f7fa;
    --text-soft: #a8afb8;
    --text-muted: #7f8791;
    --success-bg: rgba(28, 186, 120, 0.15);
    --success-border: rgba(28, 186, 120, 0.35);
    --danger-bg: rgba(220, 53, 69, 0.15);
    --danger-border: rgba(220, 53, 69, 0.35);
    --warning-bg: rgba(255, 193, 7, 0.12);
    --warning-border: rgba(255, 193, 7, 0.35);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 14px;
    --transition: 0.22s ease;
    --container: 1280px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
}

body {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.05), transparent 28%),
        radial-gradient(circle at top right, rgba(255,255,255,0.03), transparent 22%),
        linear-gradient(180deg, #09090b 0%, #0d0d11 100%);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    min-height: 100vh;
    line-height: 1.5;
}

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

.app-shell {
    width: 100%;
    min-height: 100vh;
}

.topbar {
    max-width: var(--container);
    margin: 0 auto;
    padding: 28px 20px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-badge {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: linear-gradient(135deg, #ffffff 0%, #d7dbe0 100%);
    color: #0b0b0d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    box-shadow: var(--shadow);
}

.brand-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.brand-subtitle {
    color: var(--text-soft);
    font-size: 14px;
    margin-top: 2px;
}

.main-content {
    max-width: var(--container);
    margin: 0 auto;
    padding: 10px 20px 30px;
}

.page-hero {
    padding: 26px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.page-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: #0b0b0d;
    background: #ffffff;
    padding: 7px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.page-title {
    font-size: 30px;
    line-height: 1.2;
    margin-bottom: 10px;
}

.page-description {
    color: var(--text-soft);
    max-width: 850px;
    font-size: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition), background var(--transition), border var(--transition), color var(--transition);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: #ffffff;
    color: #0b0b0d;
    border-color: #ffffff;
}

.btn-primary:hover {
    background: #e8ebee;
}

.btn-outline {
    background: rgba(255,255,255,0.03);
    color: #ffffff;
    border-color: var(--border-strong);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.08);
}

.btn-danger {
    background: rgba(220, 53, 69, 0.18);
    color: #ffffff;
    border-color: rgba(220, 53, 69, 0.35);
}

.btn-danger:hover {
    background: rgba(220, 53, 69, 0.28);
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
}

.card {
    grid-column: span 4;
    background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.015));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), border var(--transition), background var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    background: var(--card-hover);
}

.card::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -60px;
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(255,255,255,0.10) 0%, transparent 70%);
    pointer-events: none;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.card-text {
    color: var(--text-soft);
    font-size: 14px;
    margin-bottom: 18px;
    min-height: 66px;
}

.card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.content-card,
.data-card,
.form-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.015));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}

.content-card h3,
.data-card h3,
.form-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.content-card p,
.data-card p,
.form-card p {
    color: var(--text-soft);
    font-size: 15px;
    margin-bottom: 12px;
}

.info-list {
    margin-top: 18px;
    display: grid;
    gap: 12px;
}

.info-item {
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-md);
    padding: 16px;
}

.info-item strong {
    display: block;
    margin-bottom: 6px;
    color: var(--text);
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.search-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    width: 100%;
}

.search-form input {
    flex: 1;
    min-width: 240px;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
    background: rgba(255,255,255,0.01);
}

.table thead th {
    background: rgba(255,255,255,0.05);
    color: var(--text);
    text-align: left;
    padding: 14px 12px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
}

.table tbody td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-soft);
    vertical-align: top;
    font-size: 14px;
}

.table tbody tr:hover {
    background: rgba(255,255,255,0.03);
}

.empty-state {
    padding: 20px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    color: var(--text-soft);
    text-align: center;
}

.actions-inline {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

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

.field {
    grid-column: span 12;
}

.field.col-6 {
    grid-column: span 6;
}

.field.col-4 {
    grid-column: span 4;
}

.field.col-3 {
    grid-column: span 3;
}

.field label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text);
    font-weight: 700;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    background: rgba(255,255,255,0.03);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    padding: 12px 14px;
    outline: none;
    font-size: 14px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: rgba(255,255,255,0.35);
    background: rgba(255,255,255,0.06);
}

.field textarea {
    min-height: 120px;
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.alert {
    margin-bottom: 20px;
    padding: 14px 18px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 700;
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
}

.alert-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
}

.alert-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
    margin-bottom: 22px;
}

.stat-card {
    grid-column: span 3;
    background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.015));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-label {
    color: var(--text-soft);
    font-size: 13px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
}

.footer {
    margin-top: 28px;
    padding: 18px 4px 8px;
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

@media (max-width: 1100px) {
    .card,
    .stat-card {
        grid-column: span 6;
    }
}

@media (max-width: 820px) {
    .field.col-6,
    .field.col-4,
    .field.col-3,
    .stat-card {
        grid-column: span 12;
    }
}

@media (max-width: 720px) {
    .topbar {
        padding-top: 20px;
    }

    .page-hero {
        padding: 22px 18px;
    }

    .page-title {
        font-size: 25px;
    }

    .card {
        grid-column: span 12;
    }

    .brand-title {
        font-size: 20px;
    }

    .brand-subtitle {
        font-size: 13px;
    }
}