:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --text: #17202a;
    --muted: #687386;
    --line: #dce3ee;
    --primary: #146c94;
    --primary-dark: #0e506f;
    --green: #1e8a58;
    --amber: #b87512;
    --red: #b13b45;
    --shadow: 0 16px 40px rgba(21, 31, 46, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
}

a {
    color: inherit;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px clamp(18px, 4vw, 48px);
    background: #ffffff;
    border-bottom: 1px solid var(--line);
}

.top-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.topbar h1,
.panel h2 {
    margin: 0;
    line-height: 1.15;
}

.topbar h1 {
    font-size: clamp(28px, 4vw, 46px);
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.layout,
.detail-layout {
    display: grid;
    gap: 22px;
    padding: 24px clamp(18px, 4vw, 48px) 48px;
}

.layout {
    grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
    align-items: start;
}

.detail-layout {
    grid-template-columns: minmax(260px, 420px) minmax(280px, 1fr);
}

.content.solo {
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px clamp(18px, 4vw, 48px) 48px;
}

.sidebar,
.content {
    display: grid;
    gap: 18px;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px;
    box-shadow: var(--shadow);
}

.wide {
    grid-column: 1 / -1;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #ffffff;
    color: var(--text);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.button-primary {
    border-color: var(--primary);
    background: var(--primary);
    color: #ffffff;
}

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

.button-ghost {
    background: transparent;
}

.button.small {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 13px;
}

.progress-ring {
    display: grid;
    place-items: center;
    width: 124px;
    height: 124px;
    margin: 18px auto;
    border-radius: 50%;
    background: conic-gradient(var(--primary) var(--progress), #e7edf5 0);
    border: 10px solid #e7edf5;
}

.progress-ring span {
    display: grid;
    place-items: center;
    width: 82px;
    height: 82px;
    border-radius: 50%;
    background: #ffffff;
    color: var(--primary);
    font-size: 24px;
    font-weight: 800;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.stat-grid div {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f9fbfe;
}

.stat-grid strong,
.stat-grid span {
    display: block;
}

.stat-grid strong {
    font-size: 24px;
}

.stat-grid span {
    color: var(--muted);
    font-size: 12px;
}

.series-list {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.series-link {
    position: relative;
    display: grid;
    gap: 5px;
    padding: 11px 12px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    text-decoration: none;
    background: #fbfdff;
}

.series-link.active {
    border-color: var(--primary);
}

.series-link span,
.series-link small {
    position: relative;
    z-index: 1;
}

.series-link small {
    color: var(--muted);
}

.series-link i {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4px;
    background: var(--primary);
}

.filters,
.bulk-actions,
.variant-form {
    display: grid;
    grid-template-columns: repeat(4, minmax(140px, 1fr)) auto auto;
    gap: 12px;
    align-items: end;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
}

.bulk-actions {
    grid-template-columns: minmax(170px, 240px) 90px auto;
}

label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    min-height: 38px;
    border: 1px solid var(--line);
    border-radius: 7px;
    padding: 8px 10px;
    background: #ffffff;
    color: var(--text);
    font: inherit;
}

input[type="checkbox"] {
    width: auto;
    min-height: 0;
}

textarea {
    resize: vertical;
}

.table-wrap {
    overflow-x: auto;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

tr:last-child td {
    border-bottom: 0;
}

.thumb,
.thumb-placeholder {
    display: block;
    width: 54px;
    height: 74px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--line);
    background: #eef3f8;
}

.thumb-placeholder {
    display: grid;
    place-items: center;
    color: var(--muted);
    font-size: 20px;
    font-weight: 700;
}

.file-input {
    width: 54px;
    min-height: 0;
    margin-top: 6px;
    padding: 0;
    border: 0;
    font-size: 10px;
}

.card-link {
    display: grid;
    gap: 3px;
    text-decoration: none;
}

.card-link span {
    color: var(--muted);
}

.status-owned {
    border-color: rgba(30, 138, 88, 0.4);
    background: #eef8f2;
}

.status-missing {
    border-color: rgba(177, 59, 69, 0.4);
    background: #fff1f2;
}

.status-wishlist {
    border-color: rgba(184, 117, 18, 0.4);
    background: #fff8e9;
}

.qty {
    max-width: 74px;
}

.empty {
    color: var(--muted);
    text-align: center;
}

.muted {
    color: var(--muted);
    line-height: 1.5;
}

.alert {
    margin: 14px 0;
    padding: 12px;
    border: 1px solid rgba(177, 59, 69, 0.35);
    border-radius: 8px;
    background: #fff1f2;
    color: var(--red);
    font-weight: 700;
}

.alert-success {
    border-color: rgba(30, 138, 88, 0.35);
    background: #eef8f2;
    color: var(--green);
}

.auth-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
}

.auth-card,
.auth-card-inline {
    width: min(100%, 430px);
}

.auth-card {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: var(--shadow);
}

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

.auth-card-inline {
    margin: 0 auto;
}

.detail-photo img,
.photo-empty {
    width: 100%;
    border-radius: 8px;
}

.detail-photo img {
    display: block;
}

.photo-empty {
    display: grid;
    place-items: center;
    min-height: 460px;
    border: 1px dashed var(--line);
    color: var(--muted);
}

.stack-form {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.variant-form {
    grid-template-columns: repeat(4, minmax(140px, 1fr));
    margin-top: 14px;
}

.wide-field {
    grid-column: span 2;
}

.variant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.variant-card {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 12px;
    min-height: 92px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfdff;
}

.variant-card img,
.variant-placeholder {
    width: 64px;
    height: 88px;
    border-radius: 6px;
}

.variant-card img {
    object-fit: cover;
}

.variant-placeholder {
    display: block;
    border: 1px dashed var(--line);
    background: #eef3f8;
}

.variant-card div {
    display: grid;
    gap: 4px;
    align-content: start;
}

.variant-card span,
.variant-card small {
    color: var(--muted);
}

@media (max-width: 980px) {
    .layout,
    .detail-layout {
        grid-template-columns: 1fr;
    }

    .filters,
    .bulk-actions,
    .variant-form {
        grid-template-columns: repeat(2, minmax(140px, 1fr));
    }
}

@media (max-width: 620px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .filters,
    .bulk-actions,
    .variant-form {
        grid-template-columns: 1fr;
    }

    .wide-field {
        grid-column: auto;
    }
}