:root {
    --bg: rgba(10, 12, 18, 0.72);
    --card: rgba(18, 22, 30, 0.70);
    --stroke: rgba(255, 255, 255, 0.10);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.62);
    --accent: #7dd3fc;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    color: var(--text);
    font-family: system-ui, -apple-system, "Noto Sans KR", Segoe UI, Roboto, Arial;
    background: #05070c;
}

.bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(1200px 600px at 20% 10%, rgba(125, 211, 252, .15), transparent 60%),
        linear-gradient(to bottom, rgba(0, 0, 0, .35), rgba(0, 0, 0, .85));
}

/* Top bar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: rgba(6, 8, 12, .75);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--stroke);
}

.brand {
    cursor: pointer;
    user-select: none;
}

.brand-big {
    font-weight: 900;
    font-size: 22px;
}

.brand-small {
    opacity: .85;
    margin: 0 6px;
    font-weight: 600;
    font-size: 14px;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.online {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--stroke);
    border-radius: 12px;
    background: rgba(0, 0, 0, .25);
    font-size: 13px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 18px rgba(125, 211, 252, .55);
}

/* A안: 레이아웃 폭 확장 */
.layout {
    display: grid;
    grid-template-columns: 320px minmax(560px, 1fr) 360px;
    gap: 16px;
    padding: 18px;
    width: min(1600px, calc(100vw - 48px));
    margin: 0 auto;
    align-items: start;
}

@media (min-width: 1700px) {
    .layout {
        grid-template-columns: 360px minmax(720px, 1fr) 420px;
        width: min(1760px, calc(100vw - 64px));
    }
}

.panel {
    background: var(--bg);
    border: 1px solid var(--stroke);
    border-radius: 16px;
    padding: 14px;
    backdrop-filter: blur(10px);
    height: fit-content;
}

.panel-title {
    font-weight: 800;
    margin-bottom: 12px;
    font-size: 14px;
}

.center-header {
    background: var(--bg);
    border: 1px solid var(--stroke);
    border-radius: 16px;
    padding: 16px;
    backdrop-filter: blur(10px);
    margin-bottom: 12px;
}

.center-header h1 {
    margin: 0;
    font-size: 22px;
}

.sub {
    margin-top: 6px;
    color: var(--muted);
    font-size: 13px;
}

.center-actions {
    margin-top: 12px;
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.selected-path {
    color: rgba(255, 255, 255, .65);
    font-size: 13px;
    padding: 8px 10px;
    border: 1px solid var(--stroke);
    border-radius: 12px;
    background: rgba(0, 0, 0, .20);
}

/* Fields */
.field {
    display: block;
    margin: 10px 0;
}

.field span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 6px;
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--stroke);
    background: rgba(0, 0, 0, .25);
    color: var(--text);
    padding: 10px 10px;
    border-radius: 12px;
    outline: none;
}

textarea {
    resize: none;
}

button {
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 10px 12px;
    cursor: pointer;
    font-weight: 700;
    color: var(--text);
}

button:disabled {
    opacity: .35;
    cursor: not-allowed;
    filter: grayscale(.2);
}

.primary {
    background: rgba(125, 211, 252, .28);
    border-color: rgba(255, 255, 255, .12);
}

.ghost {
    background: rgba(0, 0, 0, .20);
    border-color: var(--stroke);
}

.wide {
    width: 100%;
}

.hint {
    margin-top: 12px;
    padding: 10px;
    border: 1px dashed rgba(255, 255, 255, 0.16);
    border-radius: 12px;
    color: var(--muted);
    font-size: 12px;
}

/* Party list */
.party-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.party-card {
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 16px;
    padding: 14px;
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: transform .08s ease;
}

.party-card:hover {
    transform: translateY(-2px);
}

.party-title {
    font-weight: 800;
    font-size: 15px;
}

.party-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
    color: var(--muted);
    font-size: 12px;
}

.badge {
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, .18);
    border-radius: 999px;
    padding: 4px 8px;
}

.detail {
    min-height: 180px;
}

.detail.empty {
    color: var(--muted);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
}

.modal.hidden {
    display: none;
}

.modal-card {
    width: min(680px, 100%);
    background: rgba(12, 16, 24, .92);
    border: 1px solid var(--stroke);
    border-radius: 18px;
    padding: 16px;
    backdrop-filter: blur(12px);
}

.modal-title {
    font-weight: 900;
    font-size: 16px;
    margin-bottom: 12px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 12px;
}

.hidden {
    display: none !important;
}

/* Category UI */
.left-block {
    margin-bottom: 10px;
}

.category-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.cat-btn {
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.22);
    color: rgba(255, 255, 255, 0.92);
    padding: 12px 10px;
    border-radius: 14px;
    font-weight: 900;
    cursor: pointer;
}

.cat-btn:hover {
    border-color: rgba(125, 211, 252, .35);
    box-shadow: 0 0 0 3px rgba(125, 211, 252, .10);
}

.sub-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.sub-title {
    font-weight: 900;
    font-size: 14px;
    opacity: .95;
}

.sub-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sub-btn {
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.18);
    color: rgba(255, 255, 255, 0.92);
    padding: 11px 12px;
    border-radius: 14px;
    cursor: pointer;
    font-weight: 800;
}

.sub-btn:hover {
    border-color: rgba(167, 139, 250, .35);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, .10);
}

.sub-btn.active {
    border-color: rgba(167, 139, 250, .55);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, .14);
}

/* Responsive */
@media (max-width: 1020px) {
    .layout {
        grid-template-columns: 1fr;
    }
}