/* ===== Demo Data Science: Predictor de fuga de clientes ===== */

.ds-demo {
    --ds-navy: #124559;
    --ds-navy-soft: #2a6b7c;
    --ds-gold: #f3c577;
    --ds-green: #2a9d8f;
    --ds-amber: #e9b44c;
    --ds-orange: #e76f51;
    --ds-red: #c0392b;
    --ds-gray-bg: #f5f7f9;
    --ds-gray-line: #e3e7ec;
    --ds-text: #2b3143;
    --ds-text-soft: #5a6477;

    font-family: 'Inter', 'Poppins', system-ui, -apple-system, sans-serif;
    color: var(--ds-text);
    background: #fff;
    border: 1px solid var(--ds-gray-line);
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(18, 69, 89, 0.08);
    overflow: hidden;
    width: 100%;
    line-height: 1.45;
}

.ds-demo * { box-sizing: border-box; }
.ds-demo h3, .ds-demo h4, .ds-demo p, .ds-demo label, .ds-demo span, .ds-demo li {
    font-family: inherit;
    color: inherit;
}

/* ---------- Header ---------- */
.ds-header {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
    padding: 18px 22px;
    background: linear-gradient(135deg, #124559 0%, #1a5972 100%);
    color: #fff;
    align-items: center;
    justify-content: space-between;
}
.ds-title h3 {
    margin: 0 0 4px;
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
}
.ds-title p {
    margin: 0;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.78);
    max-width: 560px;
}
.ds-model-info {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 6px 18px;
    font-size: 0.75rem;
}
.ds-model-info > div {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}
.ds-mi-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.ds-mi-value {
    color: var(--ds-gold);
    font-weight: 600;
    font-size: 0.92rem;
}

/* ---------- Presets ---------- */
.ds-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    background: var(--ds-gray-bg);
    border-bottom: 1px solid var(--ds-gray-line);
}
.ds-presets-label {
    font-size: 0.82rem;
    color: var(--ds-text-soft);
    margin-right: 6px;
}
.ds-preset-btn {
    background: #fff;
    border: 1px solid var(--ds-gray-line);
    color: var(--ds-navy);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}
.ds-preset-btn:hover {
    background: var(--ds-navy);
    color: #fff;
    border-color: var(--ds-navy);
}
.ds-preset-btn.active {
    background: var(--ds-navy);
    color: #fff;
    border-color: var(--ds-navy);
}

/* ---------- Body grid ---------- */
.ds-body {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 0;
}

/* ---------- Inputs ---------- */
.ds-inputs {
    padding: 20px 22px;
    background: #fff;
    border-right: 1px solid var(--ds-gray-line);
}
.ds-inputs h4 {
    margin: 0 0 16px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ds-text-soft);
    font-weight: 600;
}
.ds-input {
    margin-bottom: 16px;
}
.ds-input-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
}
.ds-input label {
    font-size: 0.82rem;
    color: var(--ds-text);
    font-weight: 500;
    margin: 0;
}
.ds-input-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ds-navy);
    font-variant-numeric: tabular-nums;
}
.ds-input input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--ds-gray-line);
    border-radius: 3px;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}
.ds-input input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    background: var(--ds-navy);
    border: 3px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    border-radius: 50%;
    cursor: pointer;
}
.ds-input input[type="range"]::-moz-range-thumb {
    width: 18px; height: 18px;
    background: var(--ds-navy);
    border: 3px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    border-radius: 50%;
    cursor: pointer;
}
.ds-input-select { display: flex; flex-direction: column; gap: 6px; }
.ds-input-select select {
    padding: 8px 10px;
    border: 1px solid var(--ds-gray-line);
    border-radius: 6px;
    font-size: 0.88rem;
    font-family: inherit;
    color: var(--ds-text);
    background: #fff;
    cursor: pointer;
}
.ds-input-select select:focus { outline: 2px solid var(--ds-navy); outline-offset: -1px; }

/* ---------- Output ---------- */
.ds-output {
    display: grid;
    grid-template-columns: 240px 1fr;
    grid-template-rows: auto auto;
    gap: 16px;
    padding: 20px 22px;
    background: var(--ds-gray-bg);
}

.ds-gauge-card {
    grid-row: 1 / 3;
    background: #fff;
    border: 1px solid var(--ds-gray-line);
    border-radius: 10px;
    padding: 18px 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.ds-gauge-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ds-text-soft);
    font-weight: 600;
    margin-bottom: 8px;
}
.ds-gauge-value {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--ds-navy);
    line-height: 1;
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
    transition: color 0.3s ease;
}
.ds-risk-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    margin: 0 auto 16px;
    transition: all 0.3s ease;
}
.ds-risk-low { background: rgba(42,157,143,0.12); color: var(--ds-green); }
.ds-risk-medium { background: rgba(233,180,76,0.18); color: #b8860b; }
.ds-risk-high { background: rgba(231,111,81,0.15); color: var(--ds-orange); }
.ds-risk-critical { background: rgba(192,57,43,0.12); color: var(--ds-red); }
.ds-bar {
    height: 8px;
    background: linear-gradient(to right, var(--ds-green) 0%, var(--ds-green) 25%, var(--ds-amber) 25%, var(--ds-amber) 50%, var(--ds-orange) 50%, var(--ds-orange) 75%, var(--ds-red) 75%, var(--ds-red) 100%);
    border-radius: 4px;
    position: relative;
    margin-top: 6px;
    opacity: 0.25;
}
.ds-bar-fill {
    position: absolute;
    top: -3px;
    left: 0;
    width: 0;
    height: 14px;
    border-left: 3px solid var(--ds-navy);
    transition: width 0.4s ease;
}
.ds-bar-scale {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 0.65rem;
    color: var(--ds-text-soft);
}

.ds-importance-card,
.ds-actions-card {
    background: #fff;
    border: 1px solid var(--ds-gray-line);
    border-radius: 10px;
    padding: 14px 16px;
}
.ds-importance-card h4,
.ds-actions-card h4 {
    margin: 0 0 4px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ds-text);
}
.ds-importance-desc {
    margin: 0 0 12px;
    font-size: 0.75rem;
    color: var(--ds-text-soft);
}

/* Feature importance bars */
.ds-importance-list { display: flex; flex-direction: column; gap: 8px; }
.ds-imp-row {
    display: grid;
    grid-template-columns: 160px 1fr 50px;
    gap: 10px;
    align-items: center;
    font-size: 0.78rem;
}
.ds-imp-name { color: var(--ds-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-imp-bar-wrap {
    position: relative;
    height: 14px;
    background: #f0f3f6;
    border-radius: 3px;
    display: flex;
}
.ds-imp-bar-axis {
    position: absolute;
    left: 50%;
    top: -2px;
    bottom: -2px;
    width: 1px;
    background: #c9d0d8;
}
.ds-imp-bar {
    height: 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
}
.ds-imp-bar-neg { background: var(--ds-green); margin-left: auto; margin-right: 50%; }
.ds-imp-bar-pos { background: var(--ds-orange); margin-left: 50%; }
.ds-imp-value {
    font-variant-numeric: tabular-nums;
    text-align: right;
    font-weight: 600;
    font-size: 0.75rem;
}
.ds-imp-value-pos { color: var(--ds-orange); }
.ds-imp-value-neg { color: var(--ds-green); }

/* Actions */
.ds-actions-list {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.ds-actions-list li {
    padding: 8px 12px;
    background: #f7fafa;
    border-left: 3px solid var(--ds-navy);
    border-radius: 0 6px 6px 0;
    font-size: 0.82rem;
    color: var(--ds-text);
    text-align: left;
}
.ds-actions-list li.ds-action-urgent {
    background: #fef5f1;
    border-left-color: var(--ds-orange);
}

/* ---------- Footer ---------- */
.ds-footer {
    padding: 10px 22px;
    background: #fafbfc;
    border-top: 1px solid var(--ds-gray-line);
    font-size: 0.72rem;
    color: var(--ds-text-soft);
    text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
    .ds-header { flex-direction: column; align-items: flex-start; }
    .ds-model-info { grid-template-columns: repeat(2, auto); }
    .ds-body { grid-template-columns: 1fr; }
    .ds-inputs { border-right: none; border-bottom: 1px solid var(--ds-gray-line); }
    .ds-output { grid-template-columns: 1fr; }
    .ds-gauge-card { grid-row: auto; }
    .ds-imp-row { grid-template-columns: 130px 1fr 45px; }
}
@media (max-width: 575px) {
    .ds-header, .ds-presets, .ds-inputs, .ds-output, .ds-footer { padding-left: 14px; padding-right: 14px; }
    .ds-model-info { grid-template-columns: 1fr 1fr; }
    .ds-gauge-value { font-size: 2.6rem; }
    .ds-imp-row { grid-template-columns: 110px 1fr 40px; font-size: 0.72rem; }
}