:root {
    --bg: #f6f8fc;
    --card: #ffffff;
    --text: #172033;
    --muted: #68758d;
    --line: #e6ebf3;
    --primary: #175cff;
    --primary2: #13b5c8;
    --danger: #ef4444;
    --shadow: 0 24px 60px rgba(18, 32, 66, .10);
    --radius: 24px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

img,
svg {
    max-width: 100%;
}

.hero,
.card {
    background: rgba(255, 255, 255, .88);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero {
    padding: 32px;
    margin-bottom: 22px;
    background: linear-gradient(135deg, #ffffff, #eef5ff);
}

h1 {
    font-size: 32px;
    letter-spacing: -.045em;
    margin: 0 0 8px;
}

h2 {
    font-size: 20px;
    letter-spacing: -.03em;
}

.hero p,
.card p {
    color: var(--muted);
}

.grid {
    display: grid;
    gap: 18px;
}

.kpi {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 22px;
}

.card {
    padding: 22px;
    margin-bottom: 18px;
}

.kpi .card span {
    display: block;
    color: var(--muted);
    font-weight: 700;
}

.kpi .card b {
    font-size: 30px;
    letter-spacing: -.05em;
}

.btn {
    border: 0;
    border-radius: 14px;
    padding: 11px 16px;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    color: #ffffff;
}

.btn.ghost {
    background: #eef3fb;
}

.btn.danger {
    background: #fee2e2;
    color: #b91c1c;
}

.btn.full {
    width: 100%;
    justify-content: center;
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

label {
    font-weight: 800;
    color: #33415c;
}

input,
select,
textarea {
    width: 100%;
    margin-top: 8px;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px 13px;
    background: #ffffff;
    color: var(--text);
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(23, 92, 255, .55);
    box-shadow: 0 0 0 4px rgba(23, 92, 255, .10);
}

textarea {
    min-height: 90px;
    resize: vertical;
}

.wide {
    grid-column: 1 / -1;
}

.table-wrap {
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
}

th {
    text-align: left;
    color: var(--muted);
    font-size: 13px;
    padding: 8px 12px;
    white-space: nowrap;
}

td {
    background: #ffffff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 13px 12px;
    vertical-align: middle;
}

td:first-child {
    border-left: 1px solid var(--line);
    border-radius: 14px 0 0 14px;
}

td:last-child {
    border-right: 1px solid var(--line);
    border-radius: 0 14px 14px 0;
}

.badge {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef3ff;
    color: var(--primary);
    font-size: 12px;
    font-weight: 900;
}

.alert {
    background: #fff1f2;
    color: #be123c;
    border-radius: 14px;
    padding: 12px;
    margin: 12px 0;
}

.calc-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 18px 0;
}

.calc-summary div {
    background: #f7faff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 16px;
}

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

.steps span {
    background: #f1f5ff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 10px 14px;
    font-weight: 800;
}

.gantt {
    display: grid;
    gap: 12px;
}

.gantt-row {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 16px;
    align-items: center;
}

.gantt-label small {
    display: block;
    color: var(--muted);
}

.gantt-track {
    height: 34px;
    background: #eef2f7;
    border-radius: 999px;
    overflow: hidden;
}

.gantt-bar {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    color: #ffffff;
    font-size: 12px;
    font-weight: 900;
    padding-right: 12px;
    min-width: 44px;
}

/* Utilities */
.text-muted {
    color: var(--muted);
}

.text-danger {
    color: var(--danger);
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

@media (max-width: 980px) {

    .kpi,
    .form-grid,
    .calc-summary {
        grid-template-columns: 1fr;
    }

    .page-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .gantt-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {

    .hero,
    .card {
        border-radius: 20px;
    }

    .hero {
        padding: 22px;
    }

    .card {
        padding: 18px;
    }

    h1 {
        font-size: 26px;
    }

    .kpi .card b {
        font-size: 26px;
    }

    table {
        min-width: 760px;
    }
}