* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
    min-height: 100%;
    height: 100%;
    background: #12140f;
    color: #f4f1ea;
    font-family: "Yu Gothic UI", "Segoe UI", Meiryo, sans-serif;
}
.hidden { display: none !important; }
.login-view {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: radial-gradient(900px 420px at 10% -10%, rgba(212, 197, 106, 0.12), transparent 50%);
}
.login-card {
    width: min(420px, 100%);
    background: #14160f;
    border: 1px solid rgba(212, 197, 106, 0.25);
    border-radius: 18px;
    padding: 28px;
}
.kicker { color: #d4c56a; font-size: 12px; letter-spacing: 0.12em; }
.login-card h1 { margin: 8px 0 10px; font-size: 28px; }
.lead { color: rgba(244, 241, 234, 0.62); font-size: 14px; line-height: 1.5; }
.login-card label { display: grid; gap: 6px; margin: 14px 0; font-size: 13px; color: rgba(255,255,255,0.55); }
.login-card input {
    height: 44px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    background: #0e100b;
    color: #f4f1ea;
    padding: 0 12px;
    font: inherit;
}
.login-card button.primary {
    width: 100%;
    background: linear-gradient(180deg, #d4c56a, #b9a74a);
    color: #16140c;
    font-weight: 700;
    border: 0;
    border-radius: 10px;
    padding: 11px 14px;
    font: inherit;
    cursor: pointer;
}
.error { color: #fca5a5; margin-top: 10px; font-size: 13px; }

.item-settings-root {
    --ems-bg: #14160f;
    --ems-side: #0e100b;
    --ems-panel: #171a12;
    --ems-line: rgba(212, 197, 106, 0.22);
    --ems-line-soft: rgba(255, 255, 255, 0.08);
    --ems-text: #f4f1ea;
    --ems-muted: rgba(244, 241, 234, 0.55);
    --ems-accent: #d4c56a;
    --ems-accent-text: #16140c;
    --ems-danger: #fca5a5;
    --ems-ok: #9fe0b4;
    position: relative;
    inset: auto;
    z-index: 1;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: 16px;
    min-height: 100vh;
    background: transparent;
    color: var(--ems-text);
    font-family: "Yu Gothic UI", "Segoe UI", Meiryo, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
}

.item-settings-root *,
.item-settings-root *::before,
.item-settings-root *::after {
    box-sizing: border-box;
}

.item-settings-root h1,
.item-settings-root h2,
.item-settings-root h3,
.item-settings-root p,
.item-settings-root small {
    margin: 0;
    padding: 0;
    font-weight: inherit;
    color: inherit;
}

.item-settings-root button,
.item-settings-root input {
    font: inherit;
    color: inherit;
}

.item-settings-root button {
    cursor: pointer;
}

.item-settings-root .is-hidden {
    display: none !important;
}

.item-settings-window {
    width: min(1280px, calc(100vw - 32px));
    height: min(860px, calc(100vh - 32px));
    display: grid;
    grid-template-columns: 280px 1fr;
    background: var(--ems-bg);
    border: 1px solid var(--ems-line);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.item-settings-sidebar {
    background: var(--ems-side);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 12px;
    min-height: 0;
}

.item-settings-brand {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 6px 8px 10px;
}

.item-settings-brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(212, 197, 106, 0.15);
    color: var(--ems-accent);
    font-size: 22px;
    font-weight: 800;
}

.item-settings-brand strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
}

.item-settings-brand span {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.item-settings-search input {
    width: 100%;
    height: 42px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #161912;
    color: var(--ems-text);
    padding: 0 12px;
    outline: none;
}

.item-settings-search input:focus {
    border-color: rgba(212, 197, 106, 0.55);
}

.item-settings-filters {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-settings-filters button {
    text-align: left;
    padding: 9px 12px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: rgba(255, 255, 255, 0.55);
    font-size: 14px;
}

.item-settings-filters button:hover,
.item-settings-filters button.is-active {
    background: rgba(212, 197, 106, 0.14);
    color: #f3e7a8;
}

.item-settings-filters button b {
    float: right;
    color: var(--ems-accent);
    font-weight: 700;
}

.item-settings-list {
    flex: 1;
    min-height: 0;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-right: 2px;
}

.item-settings-list::-webkit-scrollbar,
.item-settings-main::-webkit-scrollbar {
    width: 8px;
}

.item-settings-list::-webkit-scrollbar-thumb,
.item-settings-main::-webkit-scrollbar-thumb {
    background: rgba(212, 197, 106, 0.28);
    border-radius: 999px;
}

.item-settings-row {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 10px;
    align-items: center;
    width: 100%;
    text-align: left;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: rgba(255, 255, 255, 0.86);
}

.item-settings-row:hover,
.item-settings-row.is-active {
    background: rgba(212, 197, 106, 0.12);
    border-color: rgba(212, 197, 106, 0.28);
    color: #fff;
}

.item-settings-row.is-dirty {
    border-color: rgba(241, 229, 66, 0.45);
}

.item-settings-thumb {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #0b0c08;
    border: 1px solid var(--ems-line-soft);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.item-settings-thumb img {
    width: 78%;
    height: 78%;
    object-fit: contain;
}

.item-settings-thumb.is-missing::after {
    content: "?";
    color: rgba(255, 255, 255, 0.28);
    font-size: 14px;
}

.item-settings-row strong,
.item-settings-row small {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-settings-row strong {
    font-size: 14px;
    font-weight: 700;
}

.item-settings-row small {
    margin-top: 2px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.42);
}

.item-settings-ghost {
    margin-top: auto;
    padding: 10px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: transparent;
    text-decoration: none;
    text-align: center;
}

.item-settings-ghost:hover {
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
}

.item-settings-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.item-settings-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    padding: 18px 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.item-settings-crumb {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35);
    letter-spacing: 0.08em;
}

.item-settings-head h1 {
    margin-top: 4px;
    font-size: 24px;
    font-weight: 700;
}

.item-settings-head-right {
    display: flex;
    gap: 8px;
    align-items: center;
}

.item-settings-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 13px;
    color: var(--ems-muted);
}

.item-settings-pill b {
    color: #f3e7a8;
    margin: 0 4px 0 0;
    font-weight: 700;
}

.item-settings-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 18px;
}

.item-settings-icon:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
}

.item-settings-empty {
    margin: auto;
    padding: 40px 24px;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 15px;
}

.item-settings-detail {
    padding: 20px 26px 26px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
    min-height: 0;
    overflow: auto;
}

.item-settings-hero,
.item-settings-card {
    background: var(--ems-panel);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 18px;
}

.item-settings-hero {
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 18px;
    align-items: center;
}

.item-settings-thumb-lg {
    width: 112px;
    height: 112px;
    border-radius: 14px;
    background: #0b0c08;
    border: 1px solid var(--ems-line-soft);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.item-settings-thumb-lg img {
    width: 78%;
    height: 78%;
    object-fit: contain;
}

.item-settings-thumb-lg.is-missing::after {
    content: "画像なし";
    color: rgba(255, 255, 255, 0.28);
    font-size: 12px;
}

.item-settings-hero-copy h2 {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.2;
}

.item-settings-hero-copy p {
    margin-top: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}

.item-settings-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.item-settings-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.72);
    font-size: 12px;
}

.item-settings-tag.is-warn {
    background: rgba(239, 68, 68, 0.16);
    color: var(--ems-danger);
}

.item-settings-check {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 14px;
    color: #eee;
    font-size: 15px;
}

.item-settings-check input {
    width: 20px;
    height: 20px;
    accent-color: var(--ems-accent);
}

.item-settings-card h3 {
    font-size: 15px;
    margin-bottom: 14px;
    color: var(--ems-accent);
    font-weight: 700;
}

.item-settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 16px;
}

.item-settings-grid label {
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
}

.item-settings-grid input {
    width: 100%;
    height: 48px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #1a1d16;
    color: var(--ems-text);
    padding: 0 14px;
    font-size: 20px;
    font-weight: 700;
    outline: none;
}

.item-settings-grid input:focus {
    border-color: rgba(212, 197, 106, 0.55);
}

.item-settings-grid small {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.item-settings-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 18px;
}

.item-settings-status {
    min-height: 20px;
    font-size: 13px;
    color: var(--ems-ok);
}

.item-settings-status.is-error {
    color: var(--ems-danger);
}

.item-settings-primary {
    min-width: 140px;
    padding: 11px 18px;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(180deg, #d4c56a, #b9a74a);
    color: var(--ems-accent-text);
    font-weight: 700;
}

.item-settings-primary:hover:not(:disabled) {
    filter: brightness(1.05);
}

.item-settings-primary:disabled {
    opacity: 0.55;
    cursor: default;
}

.item-settings-primary.is-dirty {
    filter: none;
}

@media (max-width: 980px) {
    .item-settings-window {
        grid-template-columns: 1fr;
        height: min(920px, calc(100vh - 24px));
    }

    .item-settings-sidebar {
        max-height: 38vh;
    }

    .item-settings-hero,
    .item-settings-grid {
        grid-template-columns: 1fr;
    }
}