:root {
    --primary: #059669;
    --primary-dark: #047857;
    --dark: #0f172a;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #fff;
    --error: #ef4444;
    --success: #059669;
    --warn: #d97706;
    --radius: 0.5rem;
    --shadow: 0 1px 3px rgb(15 23 42 / 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-700);
    background: #f1f5f4;
    min-height: 100vh;
}

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

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: linear-gradient(180deg, #ecfdf5 0%, #f1f5f4 40%, #fff 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 1rem;
    padding: 2rem 1.75rem;
    box-shadow: var(--shadow);
}

.login-card .logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.35rem;
}

.login-card .logo img { width: 36px; height: 36px; }
.logo-accent { color: var(--primary); }

.login-kicker {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.login-card h1 {
    font-size: 1.35rem;
    color: var(--dark);
    margin-bottom: 0.35rem;
}

.login-card .lead {
    color: var(--gray-500);
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
}

.hint {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: var(--radius);
    padding: 0.75rem 0.9rem;
    font-size: 0.8125rem;
    color: #065f46;
    margin-bottom: 1.25rem;
}

.hint code {
    font-family: inherit;
    font-weight: 700;
}

.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--gray-700);
}
.form-group input, .form-group select {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(5 150 105 / 0.15);
}

.error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
    border-radius: var(--radius);
    padding: 0.65rem 0.8rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
}
.btn-primary { width: 100%; background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    padding: 0.4rem 0.8rem;
    font-size: 0.8125rem;
}

.shell { min-height: 100vh; }
.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar .brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 700;
    color: var(--primary-dark);
}
.topbar .brand img { width: 32px; height: 32px; }
.topbar .who { font-size: 0.8125rem; color: var(--gray-500); text-align: right; }
.topbar .who strong { display: block; color: var(--dark); }

.page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 3rem;
}

.page h1 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
}
.page .sub { color: var(--gray-500); margin-bottom: 1.25rem; }

.kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}
.kpi {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 0.75rem;
    padding: 1rem 1.1rem;
}
.kpi span { display: block; font-size: 0.75rem; color: var(--gray-500); margin-bottom: 0.3rem; }
.kpi strong { font-size: 1.25rem; color: var(--dark); }
.kpi strong.ok { color: var(--success); }
.kpi strong.warn { color: var(--warn); }

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 0.85rem;
}
.toolbar input, .toolbar select {
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    font-size: 0.875rem;
}
.toolbar input { min-width: 220px; flex: 1; }

.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 1rem;
}
.card h2 { font-size: 1rem; color: var(--dark); margin-bottom: 0.75rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; }
th, td { text-align: left; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--gray-100); white-space: nowrap; }
th { color: var(--gray-500); font-weight: 600; }
td.num { font-variant-numeric: tabular-nums; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
}
.badge-aprobado { background: #d1fae5; color: #065f46; }
.badge-pendiente { background: #fef3c7; color: #92400e; }
.badge-rechazado { background: #fee2e2; color: #991b1b; }
.badge-reversado { background: #e5e7eb; color: #374151; }
.badge-liquidado { background: #dbeafe; color: #1e40af; }

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.note {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 0.75rem;
}

.empty { color: var(--gray-400); padding: 1rem 0; }

@media (max-width: 900px) {
    .kpis { grid-template-columns: 1fr 1fr; }
    .split { grid-template-columns: 1fr; }
    .topbar .who span { display: none; }
}

@media (max-width: 560px) {
    .kpis { grid-template-columns: 1fr; }
}