:root {
    --bg: #f4f0e8;
    --bg-strong: #e4d8c7;
    --panel: rgba(255, 251, 245, 0.92);
    --panel-strong: #fffaf3;
    --line: #d8c9b3;
    --ink: #231b14;
    --ink-soft: #6f6255;
    --accent: #b6502a;
    --accent-strong: #8d3414;
    --accent-soft: #f2c5a9;
    --danger: #a5332a;
    --success: #2c7a54;
    --shadow: 0 18px 40px rgba(69, 39, 21, 0.14);
    --radius: 22px;
    --radius-small: 14px;
    --mono: "SF Mono", "Menlo", "Consolas", monospace;
    --sans: "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(circle at top left, rgba(182, 80, 42, 0.15), transparent 35%),
        radial-gradient(circle at bottom right, rgba(86, 132, 101, 0.16), transparent 30%),
        linear-gradient(180deg, #f7f2ea 0%, #efe4d4 100%);
    color: var(--ink);
    font-family: var(--sans);
}

body {
    padding: 20px;
}

.page-shell {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
}

.sidebar,
.panel-card,
.topbar {
    border: 1px solid rgba(126, 100, 79, 0.18);
    background: var(--panel);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
}

.sidebar {
    position: sticky;
    top: 20px;
    align-self: start;
    border-radius: 28px;
    padding: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.brand-mark {
    width: 54px;
    height: 54px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: white;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.brand-title {
    font-size: 1.08rem;
    font-weight: 800;
}

.brand-subtitle {
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.token-panel {
    padding: 18px;
    border-radius: 20px;
    background: rgba(255, 246, 236, 0.95);
    border: 1px solid rgba(182, 80, 42, 0.14);
}

.token-input,
.text-input,
.large-textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: white;
    color: var(--ink);
    border-radius: var(--radius-small);
    padding: 12px 14px;
    font: inherit;
}

.token-input,
.large-textarea {
    resize: vertical;
    min-height: 110px;
}

.token-input {
    min-height: 96px;
}

.field-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--ink-soft);
}

.muted-text,
.panel-meta,
.entity-subtitle {
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.nav-list {
    display: grid;
    gap: 10px;
    margin-top: 24px;
}

.nav-item,
.button {
    border: 0;
    cursor: pointer;
    font: inherit;
}

.nav-item {
    text-align: left;
    padding: 14px 16px;
    border-radius: 16px;
    background: transparent;
    color: var(--ink);
    transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.nav-item:hover,
.nav-item.active {
    background: linear-gradient(135deg, rgba(182, 80, 42, 0.14), rgba(182, 80, 42, 0.04));
    color: var(--accent-strong);
    transform: translateX(4px);
}

.main-panel {
    display: grid;
    gap: 18px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    border-radius: 28px;
    padding: 28px;
}

.page-title {
    margin: 0 0 8px;
    font-size: clamp(1.7rem, 2vw, 2.4rem);
}

.page-subtitle {
    margin: 0;
    color: var(--ink-soft);
}

.tab-panel {
    display: none;
    gap: 18px;
}

.tab-panel.active {
    display: grid;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.metric-card,
.panel-card {
    border-radius: 24px;
}

.metric-card {
    padding: 22px;
    background: linear-gradient(180deg, rgba(255, 251, 245, 0.95), rgba(247, 238, 226, 0.92));
    border: 1px solid rgba(126, 100, 79, 0.18);
    box-shadow: var(--shadow);
}

.metric-label {
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.metric-value {
    margin-top: 8px;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
}

.metric-small {
    font-size: 1.15rem;
}

.panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.panel-card {
    padding: 22px;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: baseline;
    margin-bottom: 18px;
}

.panel-head h2 {
    margin: 0;
    font-size: 1.14rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-stack {
    display: grid;
    gap: 16px;
}

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

.checkbox-field {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: white;
}

.checkbox-field input {
    margin: 0;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.button {
    padding: 12px 16px;
    border-radius: 14px;
    transition: transform 140ms ease, opacity 140ms ease, background 140ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
    transform: none;
}

.button-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: white;
}

.button-ghost {
    background: rgba(182, 80, 42, 0.08);
    color: var(--accent-strong);
}

.button-danger {
    background: rgba(165, 51, 42, 0.12);
    color: var(--danger);
}

a.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.is-disabled-link {
    pointer-events: none;
    opacity: 0.45;
}

.card-list {
    display: grid;
    gap: 14px;
}

.entity-card {
    padding: 18px;
    border-radius: 20px;
    background: var(--panel-strong);
    border: 1px solid rgba(126, 100, 79, 0.14);
}

.entity-card-head {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: flex-start;
}

.message-card-head-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.entity-title {
    margin: 0 0 6px;
    font-size: 1.05rem;
}

.entity-badge {
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(44, 122, 84, 0.12);
    color: var(--success);
    font-size: 0.86rem;
    font-weight: 700;
}

.entity-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 16px;
    margin-top: 14px;
}

.entity-meta-item {
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(244, 240, 232, 0.9);
}

.entity-meta-label {
    display: block;
    color: var(--ink-soft);
    font-size: 0.8rem;
}

.entity-meta-value {
    display: block;
    margin-top: 4px;
    word-break: break-word;
    font-size: 0.92rem;
}

.inline-form {
    display: grid;
    gap: 14px;
    margin-top: 16px;
}

.details-box {
    margin-top: 14px;
    border-radius: 14px;
    background: rgba(243, 236, 227, 0.75);
    padding: 12px 14px;
}

.details-box summary {
    cursor: pointer;
    font-weight: 700;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.code-block,
.code-inline {
    margin: 0;
    padding: 12px;
    border-radius: 12px;
    background: #201a16;
    color: #efe6d8;
    font-family: var(--mono);
    font-size: 0.82rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.message-body {
    margin-top: 14px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(182, 80, 42, 0.06);
    line-height: 1.65;
    white-space: pre-wrap;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.tag {
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(182, 80, 42, 0.12);
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
}

.banner {
    margin-bottom: 14px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(44, 122, 84, 0.18);
    background: rgba(44, 122, 84, 0.08);
}

.result-actions {
    margin-bottom: 14px;
    align-items: center;
}

.card-select {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(182, 80, 42, 0.08);
    color: var(--accent-strong);
    font-size: 0.84rem;
    font-weight: 700;
}

.card-select input {
    margin: 0;
    accent-color: var(--accent);
}

.empty-state {
    padding: 26px;
    border: 1px dashed rgba(126, 100, 79, 0.3);
    border-radius: 18px;
    text-align: center;
    color: var(--ink-soft);
}

.toast {
    position: fixed;
    right: 22px;
    bottom: 22px;
    max-width: 340px;
    padding: 14px 16px;
    border-radius: 16px;
    color: white;
    background: rgba(35, 27, 20, 0.92);
    box-shadow: var(--shadow);
    z-index: 1000;
}

.hidden {
    display: none !important;
}

@media (max-width: 1200px) {
    .page-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .overview-grid,
    .panel-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    body {
        padding: 12px;
    }

    .sidebar,
    .topbar,
    .panel-card,
    .metric-card {
        border-radius: 20px;
    }

    .overview-grid,
    .panel-grid,
    .form-grid,
    .details-grid,
    .entity-meta-grid {
        grid-template-columns: 1fr;
    }

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

    .topbar {
        align-items: stretch;
    }

    .topbar-actions {
        width: 100%;
    }

    .topbar-actions .button {
        width: 100%;
    }
}