:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #d9e2ec;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --red: #dc2626;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
    color: var(--text);
}

.container {
    width: min(100%, 980px);
    margin: 0 auto;
    padding: 24px 16px 40px;
}

.hero {
    text-align: center;
    margin-bottom: 20px;
}

.hero h1 {
    margin: 0 0 10px;
    font-size: clamp(30px, 5vw, 44px);
    line-height: 1.1;
}

.hero p {
    margin: 0;
    color: var(--muted);
    font-size: 16px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 18px;
}

.card h2 {
    margin: 0 0 8px;
    font-size: 24px;
}

.subtext {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.45;
}

.field-grid {
    display: grid;
    gap: 12px;
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 720px) {
    .row {
        grid-template-columns: 1fr;
    }
}

.field {
    display: grid;
    gap: 6px;
}

.field label {
    font-size: 13px;
    color: var(--muted);
    font-weight: 700;
}

input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 14px;
    outline: none;
    transition: .18s ease;
    background: #fff;
    color: var(--text);
}

input:focus {
    border-color: #93c5fd;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

button {
    border: none;
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: .18s ease;
}

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

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

.btn-secondary {
    background: #e8f0ff;
    color: var(--primary);
}

.btn-secondary:hover {
    background: #dbeafe;
}

.btn-danger {
    background: var(--red);
    color: white;
}

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

.btn-disabled {
    background: #d1d5db;
    color: #6b7280;
    cursor: not-allowed;
}

.status {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: #f8fafc;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 14px;
    line-height: 1.5;
}

.status.success {
    background: #ecfdf5;
    color: #166534;
    border-color: #bbf7d0;
}

.status.error {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}

.status.info {
    background: #eff6ff;
    color: #1e3a8a;
    border-color: #bfdbfe;
}

.auth-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 14px;
}

.auth-chip.off {
    background: #fef3c7;
    color: #92400e;
}

.auth-chip.on {
    background: #dcfce7;
    color: #166534;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.tab-btn {
    background: #eef2ff;
    color: #3730a3;
    padding: 10px 14px;
}

.tab-btn.active {
    background: var(--primary);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.carousel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}

.carousel-title-wrap {
    min-width: 0;
}

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

.carousel-title-row h2 {
    margin: 0;
}

.carousel-nav {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.nav-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #e8f0ff;
    color: #3730a3;
    font-size: 20px;
    padding: 0;
}

.nav-btn:hover {
    background: #dbeafe;
}

.lock-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.lock-badge.open {
    background: #dcfce7;
    color: #166534;
}

.lock-badge.closed {
    background: #f3f4f6;
    color: #6b7280;
}

.meta-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.pill.get { background: #dbeafe; color: #1d4ed8; }
.pill.post { background: #dcfce7; color: #15803d; }
.pill.put { background: #fef3c7; color: #b45309; }
.pill.delete { background: #fee2e2; color: #b91c1c; }

.pill.public {
    background: #ecfeff;
    color: #0f766e;
}

.pill.private {
    background: #f3f4f6;
    color: #4b5563;
}

.slide {
    display: none;
}

.slide.active {
    display: block;
}

.created-link-card {
    margin-top: 16px;
    padding: 18px;
    border-radius: 16px;
    border: 1px solid #bfdbfe;
    background: linear-gradient(180deg, #eff6ff 0%, #f8fbff 100%);
}

.created-link-label {
    font-size: 13px;
    font-weight: 800;
    color: #1d4ed8;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.created-link-anchor {
    display: block;
    font-size: clamp(20px, 3vw, 28px);
    line-height: 1.3;
    font-weight: 800;
    color: #1d4ed8;
    text-decoration: none;
    word-break: break-all;
    margin-bottom: 14px;
}

.created-link-anchor:hover {
    text-decoration: underline;
}

.copy-btn {
    min-width: 140px;
}

.hidden {
    display: none;
}