:root {
    --bg: #0f172a;
    --bg-elev: #1e293b;
    --bg-card: #334155;
    --text: #f1f5f9;
    --text-dim: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger: #ef4444;
    --success: #22c55e;
    --border: #475569;
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

body {
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.topbar h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.back-link {
    text-decoration: none;
    font-size: 13px;
    padding: 4px 10px;
}

.status-pill {
    padding: 4px 10px;
    background: var(--bg-card);
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-dim);
}

.status-pill.ok {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.status-pill.warn {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
    gap: 0;
}

.pane {
    display: flex;
    flex-direction: column;
    padding: 20px;
    flex: 1;
    min-width: 0;
}

.pane-input {
    background: var(--bg);
    border-right: 1px solid var(--border);
    position: sticky;
    top: 0;
    align-self: flex-start;
    height: 100%;
    max-width: 50%;
}

.pane-output {
    background: var(--bg-elev);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pane-output > .pane-header {
    flex-shrink: 0;
}

.pane-output > #output-stack {
    flex: 1;
    overflow-y: auto;
    scroll-behavior: smooth;
    padding-right: 4px;
}

.pane-output-footer {
    margin-top: 12px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    flex-shrink: 0;
}

.pane-output-footer .btn-primary,
.pane-output-footer .btn-secondary {
    min-width: 110px;
}

.pane-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 12px;
}

.pane-header h2 {
    margin: 0;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.hint {
    font-size: 12px;
    color: var(--text-dim);
}

.entry-title {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.entry-title:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.mode-selector {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.mode-option {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    transition: border-color 0.15s;
}

.mode-option:has(input:checked) {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.15);
}

.mode-option input {
    margin: 0;
}

.mode-option-btn {
    color: var(--text);
    font-family: inherit;
}

.mode-option-btn:hover {
    border-color: var(--accent);
}

#input-text {
    flex: 1;
    min-height: 200px;
    padding: 12px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: Consolas, "Courier New", monospace;
    font-size: 14px;
    resize: none;
}

#input-text:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.input-toolbar {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary, .btn-ghost {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    transition: background 0.15s, border-color 0.15s;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-primary:disabled {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-dim);
    cursor: not-allowed;
}

.btn-secondary:hover, .btn-ghost:hover {
    background: var(--border);
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-dim);
}

.btn-ghost:hover {
    background: var(--bg-card);
    color: var(--text);
}

.output-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.empty-state {
    text-align: center;
    color: var(--text-dim);
    padding: 40px 20px;
}

.empty-state p {
    margin: 6px 0;
}

.output-card {
    position: relative;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.output-card:hover {
    border-color: var(--accent);
}

.output-card.editing {
    cursor: text;
    border-color: var(--accent);
    background: var(--bg-elev);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.output-card.error {
    border-color: var(--danger);
}

.output-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 8px;
    user-select: none;
}

.output-card-mode,
.output-card-title {
    font-weight: 700;
    color: var(--accent);
    text-transform: none;
    font-size: 13px;
    letter-spacing: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.output-card-time {
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.output-card-body {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: Consolas, "Courier New", monospace;
    font-size: 14px;
}

.output-card.editing .output-card-body {
    outline: none;
}

.output-card-title[contenteditable="true"] {
    cursor: text;
    user-select: text;
    -webkit-user-select: text;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    background: var(--bg-elev);
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 1px 6px;
    margin: -2px -7px;
    outline: none;
}

.output-card.editing-title {
    border-color: var(--accent);
}

.copied-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 3px 8px;
    background: var(--success);
    color: #042f17;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.copied-badge.show {
    opacity: 1;
}

.card-actions {
    margin-top: 10px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    align-items: center;
}

.card-save-btn {
    display: none;
    padding: 6px 14px;
    background: var(--success);
    color: #042f17;
    border: 1px solid var(--success);
    border-radius: var(--radius);
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
}

.output-card.editing .card-save-btn {
    display: inline-block;
}

.card-save-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.card-delete-btn {
    padding: 6px 12px;
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    transition: background 0.15s, color 0.15s;
}

.card-delete-btn:hover {
    background: rgba(239, 68, 68, 0.12);
}

.card-delete-btn.armed {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

.card-delete-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal.hidden {
    display: none;
}

.modal-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header, .modal-footer {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.modal-footer {
    border-top: 1px solid var(--border);
    border-bottom: none;
    justify-content: flex-end;
}

.modal-header h2 {
    margin: 0;
    font-size: 16px;
}

#close-settings-btn,
.close-x {
    font-size: 22px;
    line-height: 1;
    padding: 0 8px;
}

.modal-footer-split {
    justify-content: space-between;
}

.field-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
    line-height: 1.5;
    resize: vertical;
}

.field-group textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.field-group {
    margin-bottom: 20px;
}

.field-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.field-group input[type="password"],
.field-group input[type="text"],
.field-group select {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
}

.field-group .hint {
    margin-top: 6px;
    display: block;
}

.instructions {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.instructions summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    padding: 4px 0;
}

.instructions ol {
    margin: 10px 0 0 0;
    padding-left: 22px;
}

.instructions li {
    margin-bottom: 8px;
    font-size: 13px;
    line-height: 1.55;
}

.instructions code {
    background: var(--bg);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 12px;
}

.settings-status {
    padding: 10px;
    border-radius: var(--radius);
    font-size: 13px;
    min-height: 20px;
}

.settings-status:empty {
    padding: 0;
    min-height: 0;
}

.settings-status.ok {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.settings-status.err {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.settings-status.info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
}

/* Welcome screen */

.welcome {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow-y: auto;
    padding: 40px 20px;
}

.welcome-card {
    width: 100%;
    max-width: 540px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.welcome-card h2 {
    margin: 0 0 24px 0;
    font-size: 22px;
    font-weight: 600;
}

.welcome-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.big-btn {
    flex: 1;
    padding: 16px 20px;
    font-size: 15px;
    min-width: 180px;
}

.welcome-form {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.welcome-form.hidden {
    display: none;
}

.welcome-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.welcome-form input[type="text"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    margin-bottom: 12px;
}

.welcome-form input[type="text"]:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.welcome-form-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.project-list {
    list-style: none;
    margin: 0 0 12px 0;
    padding: 0;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}

.project-list li {
    border-bottom: 1px solid var(--border);
}

.project-list li:last-child {
    border-bottom: none;
}

.project-list a {
    display: block;
    padding: 12px 16px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.15s;
}

.project-list a:hover {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
}

.project-list li.project-row {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.project-list li.project-row:last-child {
    border-bottom: none;
}

.project-list li.project-row > a {
    flex: 1;
    border-bottom: none;
}

.project-delete-btn {
    margin: 6px 10px;
    padding: 4px 10px;
    background: transparent;
    color: var(--danger, #ef4444);
    border: 1px solid var(--danger, #ef4444);
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.project-delete-btn:hover {
    background: rgba(239, 68, 68, 0.12);
}

.project-delete-btn.armed {
    background: var(--danger, #ef4444);
    color: white;
}

#manage-status:empty {
    display: none;
}