:root {
    --bg: #0f172a;
    --panel: #111c34;
    --panel-soft: #182544;
    --line: #273656;
    --text: #e5ecff;
    --muted: #9fb0d9;
    --primary: #ec4899;
    --primary-dark: #db2777;
    --secondary: #334155;
    --danger: #dc2626;
    --success: #16a34a;
    --shadow: 0 16px 40px rgba(15, 23, 42, 0.35);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(180deg, #09111f 0%, #0f172a 100%);
    color: var(--text);
    min-height: 100vh;
}

a {
    color: #8dc2ff;
    text-decoration: none;
    word-break: break-all;
}

button,
input,
select,
textarea {
    font: inherit;
}

.container {
    width: min(1120px, calc(100% - 24px));
    margin: 24px auto 48px;
}

.hero,
.panel,
.modal-content {
    background: rgba(17, 28, 52, 0.92);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.hero {
    padding: 24px;
    display: grid;
    gap: 16px;
    margin-bottom: 20px;
}

.hero-topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.hero h1 {
    margin: 10px 0;
    font-size: clamp(28px, 5vw, 40px);
}

.hero p,
.muted,
.helper-text,
.link-card p,
.rotator-current small {
    color: var(--muted);
}

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

.hero-stats-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-card {
    background: var(--panel-soft);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 18px;
}

.stat-card span {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
}

.stat-card strong {
    font-size: 26px;
}

.badge,
.status-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 700;
}

.badge {
    background: rgba(236, 72, 153, 0.18);
    color: #ff9dc8;
}

.status-pill {
    background: rgba(22, 163, 74, 0.15);
    color: #8cf0ad;
}

.count-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(141, 194, 255, 0.14);
    color: #9fd0ff;
    font-size: 12px;
    font-weight: 700;
}

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

.panel {
    padding: 20px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
}

.panel-header h2 {
    margin: 0;
    font-size: 20px;
}

.form-stack {
    display: grid;
    gap: 14px;
}

.form-stack label span {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    padding: 13px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #0d1629;
    color: var(--text);
}

textarea {
    resize: vertical;
}

.button-row,
.link-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn {
    border: 0;
    border-radius: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: 0.2s ease;
    font-weight: 700;
    text-decoration: none;
}

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

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

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

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

.btn-danger:hover {
    background: #b91c1c;
}

.btn-small {
    padding: 10px 12px;
    font-size: 13px;
}

.rotator-box {
    display: grid;
    gap: 14px;
    padding: 16px;
    background: var(--panel-soft);
    border-radius: 16px;
    border: 1px solid var(--line);
}

.rotator-status,
.rotator-current {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rotator-status strong,
.rotator-current strong {
    font-size: 24px;
}

.list-wrap {
    display: grid;
    gap: 14px;
}

.group-list {
    display: grid;
    gap: 18px;
}

.group-card {
    display: grid;
    gap: 18px;
    padding: 18px;
    border-radius: 18px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
}

.group-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.group-title-row {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.group-title-row h3 {
    margin: 0;
    font-size: 22px;
}

.link-card {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border-radius: 16px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
}

.link-main {
    display: flex;
    gap: 14px;
    min-width: 0;
}

.link-main h3 {
    margin: 0 0 8px;
}

.link-main p {
    margin: 8px 0 0;
}

.link-index {
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(236, 72, 153, 0.18);
    color: #ff9dc8;
    font-weight: 700;
}

.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 18px;
}

.alert-error {
    background: rgba(220, 38, 38, 0.16);
    border: 1px solid rgba(220, 38, 38, 0.45);
}

.alert-success {
    background: rgba(22, 163, 74, 0.16);
    border: 1px solid rgba(22, 163, 74, 0.45);
}

.empty-state {
    padding: 22px;
    text-align: center;
    border-radius: 16px;
    border: 1px dashed var(--line);
    background: rgba(24, 37, 68, 0.55);
}

.empty-state h3 {
    margin-top: 0;
}

.compact-state {
    padding: 18px;
}

.modal[hidden] {
    display: none;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 30;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.7);
}

.modal-content {
    position: relative;
    width: min(560px, calc(100% - 24px));
    margin: 48px auto;
    padding: 20px;
}

.icon-button {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
    cursor: pointer;
}

.admin-box,
.login-help {
    display: grid;
    gap: 6px;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(13, 22, 41, 0.6);
}

.auth-body {
    display: grid;
    place-items: center;
    padding: 16px;
}

.auth-wrap {
    width: min(100%, 460px);
}

.auth-card {
    background: rgba(17, 28, 52, 0.95);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 24px;
}

.auth-card h1 {
    margin: 14px 0 10px;
    font-size: 30px;
}

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

@media (max-width: 720px) {
    .container {
        width: min(100% - 16px, 100%);
        margin-top: 16px;
    }

    .panel,
    .hero,
    .modal-content {
        border-radius: 16px;
    }

    .hero-topbar,
    .group-header,
    .link-card,
    .panel-header {
        flex-direction: column;
    }

    .hero-stats,
    .hero-stats-3 {
        grid-template-columns: 1fr;
    }

    .link-actions .btn,
    .button-row .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}