:root {
    --bg: #0a1018;
    --panel: rgba(17, 27, 40, 0.86);
    --panel-solid: #111b28;
    --ink: #d9e5f2;
    --muted: #8ea0b5;
    --line: #2b3b4f;
    --accent: #3cae8e;
    --accent-2: #3f6fbd;
    --danger: #e06960;
    --warning: #3f321e;
    --deleted: #7b889a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    background: radial-gradient(circle at 12% -10%, #17384f 0, transparent 42%),
    radial-gradient(circle at 112% 12%, #352c49 0, transparent 44%),
    var(--bg);
    color: var(--ink);
}

.bg-shape {
    position: fixed;
    pointer-events: none;
    z-index: -1;
    filter: blur(80px);
    opacity: 0.34;
}

.bg-shape-a {
    width: 280px;
    height: 280px;
    background: #2a4f73;
    top: -60px;
    left: -40px;
}

.bg-shape-b {
    width: 340px;
    height: 340px;
    background: #3e3159;
    right: -90px;
    bottom: -100px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
}

.brand h1 {
    margin: 0;
    font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
    letter-spacing: 0.02em;
    font-size: 1.3rem;
}

.layout {
    display: grid;
    grid-template-columns: minmax(280px, 36%) 1fr;
    gap: 14px;
    padding: 0 24px 24px;
}

.panel {
    background: var(--panel);
    border: 1px solid rgba(92, 113, 138, 0.32);
    backdrop-filter: blur(6px);
    border-radius: 18px;
    padding: 14px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32);
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}

.panel-head h2 {
    margin: 0;
    font-size: 1.02rem;
}

.actions {
    display: flex;
    gap: 8px;
}

button {
    border: none;
    border-radius: 12px;
    padding: 8px 12px;
    font: inherit;
    cursor: pointer;
    transition: transform 0.14s ease, opacity 0.14s ease, background 0.14s ease;
}

button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

button:not(:disabled):hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #fff;
}

.btn-secondary {
    background: #1b2a3a;
    color: var(--ink);
}

.btn-danger {
    background: #4b2629;
    color: #ffd8d5;
}

.account-chip {
    border-radius: 999px;
    background: #152433;
    border: 1px solid #2f4358;
    min-width: 180px;
    color: var(--ink);
}

.toggle-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    color: var(--muted);
    margin: 0;
    white-space: nowrap;
}

.tree-container {
    min-height: 420px;
    max-height: calc(100vh - 210px);
    overflow: auto;
    background: var(--panel-solid);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 8px;
}

.tree-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    border-radius: 8px;
    user-select: none;
}

.tree-row:hover {
    background: rgba(79, 120, 183, 0.16);
}

.tree-row.selected {
    background: rgba(60, 174, 142, 0.24);
}

.tree-row.deleted {
    color: var(--deleted);
}

.tree-row.deleted .tree-title {
    text-decoration: line-through;
}

.tree-indent {
    width: 16px;
    height: 1px;
}

.tree-toggle {
    width: 18px;
    color: #8190a3;
    text-align: center;
}

.tree-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.95rem;
}

.editor-meta-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 4px 0 10px;
}

.meta-pill {
    border: 1px solid var(--line);
    background: #132335;
    color: #d2e4f7;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.88rem;
}

.editor-grid {
    display: grid;
    gap: 10px;
}

.editor-grid label {
    display: grid;
    gap: 6px;
}

.editor-grid span {
    font-size: 0.9rem;
    color: var(--muted);
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 8px 10px;
    font: inherit;
    background: var(--panel-solid);
    color: var(--ink);
}

input::placeholder,
textarea::placeholder {
    color: var(--muted);
}

textarea {
    min-height: 220px;
    resize: vertical;
}

.title-textarea {
    min-height: 82px;
}

.warning {
    margin-top: 10px;
    background: var(--warning);
    border: 1px solid #615130;
    border-radius: 10px;
    padding: 9px 10px;
    font-size: 0.9rem;
}

.details-panel {
    margin-top: 12px;
    background: var(--panel-solid);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px;
}

.details-panel h3 {
    margin: 0 0 8px;
    font-size: 0.95rem;
}

.details-meta {
    display: grid;
    gap: 4px;
    font-size: 0.9rem;
}

.details-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.status-bar {
    position: fixed;
    left: 50%;
    bottom: 16px;
    transform: translateX(-50%);
    background: #17222f;
    color: #fff;
    padding: 10px 14px;
    border-radius: 12px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    max-width: calc(100vw - 24px);
    text-align: center;
    z-index: 40;
}

.status-bar.show {
    opacity: 1;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(6, 11, 17, 0.56);
    display: grid;
    place-items: center;
    z-index: 50;
}

.modal-card {
    width: min(520px, calc(100vw - 24px));
    background: #112030;
    border-radius: 14px;
    border: 1px solid #2c3f54;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.45);
    padding: 14px;
    display: grid;
    gap: 10px;
}

.modal-card h3 {
    margin: 0;
}

.tokens-list {
    max-height: 220px;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 6px;
    background: #0f1a27;
}

.token-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 6px;
    align-items: center;
    border: 1px solid #27384b;
    border-radius: 10px;
    padding: 8px;
    margin-bottom: 6px;
    background: #172737;
}

.token-row.current {
    border-color: #3cae8e;
    background: #173333;
}

.token-meta {
    font-size: 0.9rem;
    color: var(--muted);
}

.token-actions {
    display: flex;
    gap: 6px;
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.add-token-box {
    border-top: 1px solid var(--line);
    padding-top: 10px;
    display: grid;
    gap: 8px;
}

.context-menu {
    position: fixed;
    z-index: 80;
    background: #102031;
    border: 1px solid #2e4052;
    border-radius: 10px;
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.38);
    padding: 6px;
    display: grid;
    min-width: 180px;
}

.context-menu button {
    text-align: left;
    border-radius: 8px;
    background: transparent;
    color: var(--ink);
}

.context-menu button:hover {
    background: #1d3247;
}

.hidden {
    display: none !important;
}

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

    .tree-container {
        max-height: 280px;
    }

    .actions {
        flex-wrap: wrap;
    }

    .editor-meta-line {
        flex-direction: column;
        align-items: stretch;
    }
}