html,
body {
    height: 100%;
    overflow: hidden;
}

.web-shell {
    width: min(1440px, 100vw);
    height: 100vh;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.tui-header,
.tui-footer {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.tui-header {
    position: relative;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 52px;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--accent-purple);
    background: var(--bg-secondary);
}

.tui-header-subtitle {
    color: var(--text-secondary);
    margin-left: 0.75rem;
}

.tui-header-actions {
    display: flex;
    gap: 0.5rem;
}

.tui-button {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.35rem 0.7rem;
}

.tui-button:hover,
.tui-button:focus {
    border-color: var(--accent-purple);
    outline: none;
}

a.tui-header-link {
    text-decoration: none;
    color: inherit;
    display: inline-flex;
    align-items: center;
    box-sizing: border-box;
}

a.tui-header-link:hover,
a.tui-header-link:focus {
    border-color: var(--accent-purple);
    outline: none;
}

.tui-footer-link {
    color: var(--accent-blue);
    text-decoration: none;
    word-break: break-all;
}

.tui-footer-link:hover,
.tui-footer-link:focus {
    text-decoration: underline;
    outline: none;
}

.tui-main {
    position: relative;
    z-index: 0;
    flex: 1 1 auto;
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    min-height: 0;
    overflow: hidden;
}

.tui-sidebar {
    min-height: 0;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: #0b0b1f;
    border-right: 1px solid var(--border-color);
    overflow: auto;
}

[data-theme="light"] .tui-sidebar {
    background: var(--bg-secondary);
}

.tui-panel {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    padding: 0.75rem;
}

.tui-panel h2 {
    margin: 0 0 0.5rem;
    color: var(--text-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.tui-room-panel {
    flex: 1;
    overflow: auto;
}

.tui-content {
    position: relative;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.tui-log {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    min-height: 0;
    margin: 0;
    padding: 1rem;
    border: 0;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.45;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.tui-input-row {
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 48px;
    margin: 0;
    padding: 0.6rem 0.75rem;
    border-top: 1px solid var(--border-color);
    background: #0b0b1f;
}

[data-theme="light"] .tui-input-row {
    background: var(--bg-secondary);
}

.tui-prompt {
    color: var(--accent-blue);
    font-family: var(--font-mono);
    font-weight: 700;
    white-space: nowrap;
    min-width: 0;
    flex: 0 1 auto;
    max-width: min(50vw, 22rem);
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 600px) {
    .tui-prompt {
        white-space: normal;
        word-break: break-all;
        max-width: 45%;
    }
}

.tui-input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: var(--font-mono);
    padding: 0.45rem 0.65rem;
}

.tui-input:focus {
    border-color: var(--accent-purple);
    outline: none;
}

.tui-footer {
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.55rem 0.75rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.kind-error { color: var(--accent-red); }
.kind-success { color: var(--accent-green); }
.kind-info { color: var(--accent-blue); }
.kind-magic { color: var(--accent-yellow); }
.kind-dim { color: var(--text-secondary); }
.kind-output { color: var(--text-primary); }
.kind-art {
    color: var(--accent-purple);
    white-space: pre;
    word-break: normal;
    font-family: var(--font-mono);
    text-shadow: 0 0 6px rgba(192, 132, 252, 0.25);
}
.kind-banner {
    color: var(--accent-yellow);
    white-space: pre;
    word-break: normal;
    font-family: var(--font-mono);
    text-shadow: 0 0 8px rgba(251, 191, 36, 0.45);
}

@keyframes bc-sparkle {
    0%, 100% { box-shadow: 0 0 0 0 rgba(192, 132, 252, 0.0); transform: translateY(0); }
    25%      { box-shadow: 0 0 18px 4px rgba(251, 191, 36, 0.55); transform: translateY(-1px); }
    60%      { box-shadow: 0 0 12px 3px rgba(192, 132, 252, 0.55); transform: translateY(0); }
}
.fx-sparkle {
    animation: bc-sparkle 900ms ease-out;
    border-color: var(--accent-yellow) !important;
}

@keyframes bc-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(5px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(2px); }
}
.fx-shake { animation: bc-shake 320ms ease-in-out; }

@keyframes bc-pop {
    0% { transform: scale(1); color: var(--accent-yellow); }
    50% { transform: scale(1.18); color: var(--accent-green); }
    100% { transform: scale(1); }
}
.fx-pop {
    display: inline-block;
    animation: bc-pop 600ms ease-out;
}

@keyframes bc-fadein {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}
.tui-log span { animation: bc-fadein 140ms ease-out both; }

.tui-log .kind-magic, .tui-log .kind-success {
    text-shadow: 0 0 4px currentColor;
}

.docs-drawer {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(480px, 100vw);
    transform: translateX(100%);
    transition: transform 160ms ease;
    visibility: hidden;
    pointer-events: none;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    z-index: 10;
    display: flex;
    flex-direction: column;
}

.docs-drawer.open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
}

.docs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.docs-header h2 {
    margin: 0;
}

.docs-search {
    margin: 1rem;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
}

.docs-content {
    overflow: auto;
    padding: 0 1rem 1rem;
}

.docs-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    background: var(--bg-primary);
}

.docs-card h3 {
    margin: 0 0 0.45rem;
}

.docs-cmd-block {
    margin-top: 0.75rem;
}

.docs-cmd-block:first-child {
    margin-top: 0;
}

.docs-cmd-cat {
    margin: 0 0 0.4rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-heading);
}

.docs-cmd-list {
    margin: 0;
    padding-left: 1.1rem;
    list-style: disc;
}

.docs-cmd-list li {
    margin: 0.2rem 0;
}

.docs-cmd-desc {
    color: var(--text-primary);
}

.docs-command {
    display: inline-flex;
    margin: 0.15rem 0.25rem 0.15rem 0;
    padding: 0.2rem 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--accent-blue);
    cursor: pointer;
}

@media (max-width: 900px) {
    .tui-main {
        grid-template-columns: 1fr;
        grid-template-rows: auto minmax(0, 1fr);
    }

    .tui-sidebar {
        max-height: 34vh;
        border-right: 0;
        border-bottom: 1px solid var(--border-color);
    }
}