:root {
    --bg: #0a1214;
    --bg-elev: #0f1a1d;
    --bg-elev-2: #142327;
    --border: #1d3036;
    --border-strong: #294349;
    --text: #d6e4e6;
    --text-dim: #8aa1a5;
    --accent: #52fefe;
    --accent-dim: #2cb8b8;
    --danger: #ff6b6b;
    --ok: #6bf2a4;
    --radius: 6px;
    --radius-lg: 8px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", "Segoe UI", system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.45;
}

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elev);
}

.topbar h1 {
    margin: 0 0 14px 0;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: var(--accent);
}

.steps {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.step {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: var(--radius);
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
}

.step span {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--border);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
}

.step.active {
    border-color: var(--accent-dim);
    color: var(--text);
}

.step.active span {
    background: var(--accent);
    color: #062023;
}

.main {
    flex: 1;
    padding: 22px 24px 32px;
    max-width: 880px;
    width: 100%;
    margin: 0 auto;
}

.panel h2 {
    margin: 0 0 6px 0;
    font-size: 15px;
    font-weight: 600;
}

.hint {
    margin: 0 0 18px 0;
    color: var(--text-dim);
    font-size: 12.5px;
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-dim);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 9px 11px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: inherit;
    font-size: 13.5px;
    outline: none;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    border-color: var(--accent-dim);
}

textarea {
    resize: vertical;
}

.row-hint {
    margin-top: 6px;
    font-size: 11.5px;
    color: var(--text-dim);
    min-height: 14px;
}

.row-hint.error {
    color: var(--danger);
}

.row-hint.ok {
    color: var(--ok);
}

.actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

button {
    cursor: pointer;
    border: none;
    border-radius: var(--radius);
    padding: 9px 16px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    transition: background 80ms ease, border-color 80ms ease;
}

.primary {
    background: var(--accent);
    color: #062023;
}

.primary:hover {
    background: #7affff;
}

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

.ghost {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text);
}

.ghost:hover {
    border-color: var(--accent-dim);
}

#extra-phrases .extra-row {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
}

#extra-phrases .extra-row input {
    flex: 1;
}

#extra-phrases .extra-row button {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-dim);
    padding: 6px 10px;
    font-size: 12px;
}

.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 18px;
}

.tab {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    padding: 8px 14px;
    color: var(--text-dim);
    font-size: 13px;
}

.tab.active {
    color: var(--text);
    border-bottom-color: var(--accent);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}

.card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text);
    text-align: left;
    min-height: 70px;
}

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

.card.selected {
    border-color: var(--accent);
    background: var(--bg-elev-2);
}

.card-title {
    font-weight: 600;
    font-size: 13.5px;
}

.card-sub {
    font-size: 11.5px;
    color: var(--text-dim);
}

pre {
    background: #06101294;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    overflow-x: auto;
    font-family: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
    font-size: 12.5px;
    color: #c4ecec;
    white-space: pre-wrap;
}

.toast {
    position: fixed;
    right: 22px;
    bottom: 22px;
    padding: 10px 16px;
    background: var(--bg-elev-2);
    border: 1px solid var(--accent-dim);
    border-radius: var(--radius);
    color: var(--accent);
    font-size: 13px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.45);
}

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

.params-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.params-row .field {
    flex: 1;
    min-width: 200px;
    margin-bottom: 0;
}

.checkbox {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--text-dim);
    font-size: 12.5px;
    margin-top: 6px;
    cursor: pointer;
}

.checkbox input {
    accent-color: var(--accent);
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 14px;
}

.step-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
}

.step-card .step-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.step-card .step-head .step-label {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.step-card .step-head .icon-btn {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-dim);
    padding: 3px 8px;
    font-size: 11px;
}

.suggested-block {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    margin-bottom: 10px;
}

.suggested-block pre {
    margin: 6px 0;
    font-size: 12px;
}