@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --sigma-blue: #032E7C;
    --sigma-blue-dark: #021B4A;
    --sigma-red: #CD1433;
    --sigma-gray: #46494F;
    --sigma-light: #EEF2F7;
    --sigma-line: #D8E0EB;
    --sigma-white: #FFFFFF;
    --sigma-beige: #F8F5EA;
    --sigma-beige-2: #F2EEDF;
    --sigma-blue-soft: #EAF1FB;
    --sigma-blue-soft-2: #DDE8FA;
    --sigma-red-soft: #FBE8EC;
    --sigma-ok: #0F8A65;

    --font-title: "IBM Plex Sans", system-ui, sans-serif;
    --font-body: "Inter", system-ui, sans-serif;

    --shadow-sm: 0 10px 24px rgba(3, 46, 124, .08);
    --shadow-md: 0 18px 40px rgba(3, 46, 124, .10);
    --radius-md: 18px;
    --radius-lg: 24px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--sigma-gray);
    background:
        linear-gradient(180deg, #f5f7fb 0%, #f1efe6 100%);
}

body:before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
        linear-gradient(135deg, transparent 0 74%, rgba(3,46,124,.06) 74% 74.6%, transparent 74.6% 100%),
        linear-gradient(135deg, transparent 0 81%, rgba(205,20,51,.05) 81% 81.5%, transparent 81.5% 100%);
    opacity: .9;
}

a { color: inherit; }

/* HEADER */
.topbar {
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid rgba(3,46,124,.12);
    box-shadow: 0 8px 22px rgba(3,46,124,.08);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar:before {
    content: "";
    display: block;
    height: 6px;
    background: linear-gradient(90deg, var(--sigma-blue) 0 86%, var(--sigma-red) 86% 100%);
}

.topbar-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 28px;
}

.brand {
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 52px;
    width: auto;
    display: block;
}

.topbar nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.topbar nav a {
    text-decoration: none;
    color: var(--sigma-blue);
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 13px;
    padding: 10px 13px;
    border-radius: 999px;
    border: 1px solid rgba(3,46,124,.14);
    background: rgba(234,241,251,.68);
    transition: all .15s ease;
}

.topbar nav a:hover {
    background: var(--sigma-blue);
    color: #fff;
    border-color: var(--sigma-blue);
}

.topbar nav a:last-child {
    color: var(--sigma-red);
    border-color: rgba(205,20,51,.18);
    background: rgba(251,232,236,.7);
}

.topbar nav a:last-child:hover {
    background: var(--sigma-red);
    color: #fff;
    border-color: var(--sigma-red);
}

/* LAYOUT */
.container {
    width: min(1460px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 44px;
}

.page-hero {
    margin: 0 0 24px;
    padding: 26px 28px;
    background:
        linear-gradient(135deg, rgba(255,255,255,.86), rgba(248,245,234,.92));
    border: 1px solid rgba(3,46,124,.10);
    border-left: 8px solid var(--sigma-blue);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.page-hero:after {
    content: "";
    position: absolute;
    right: -36px;
    top: -36px;
    width: 140px;
    height: 140px;
    border: 2px solid rgba(3,46,124,.09);
    transform: rotate(45deg);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: var(--sigma-red);
    font-family: var(--font-title);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.eyebrow:before {
    content: "";
    width: 42px;
    height: 3px;
    background: linear-gradient(90deg, var(--sigma-red), transparent);
}

h1 {
    margin: 0;
    font-family: var(--font-title);
    color: var(--sigma-blue);
    font-size: clamp(31px, 4vw, 48px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.05em;
}

.hero-subtitle {
    margin: 12px 0 0;
    max-width: 760px;
    font-size: 15px;
    line-height: 1.55;
    color: var(--sigma-gray);
}

h2 {
    margin: 0 0 14px;
    font-family: var(--font-title);
    color: var(--sigma-blue);
    font-size: 19px;
    line-height: 1.1;
    letter-spacing: -.02em;
}

/* PANELS */
.panel,
.login-card,
.form-panel {
    background: rgba(255,255,255,.88);
    border: 1px solid rgba(3,46,124,.12);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.panel:before,
.login-card:before,
.form-panel:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 4px;
    width: 100%;
    background: linear-gradient(90deg, var(--sigma-blue) 0 74%, var(--sigma-red) 74% 100%);
}

.panel {
    background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(234,241,251,.52));
}

.login-card {
    max-width: 470px;
    margin: 52px auto;
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,245,234,.90));
}

.form-panel {
    max-width: 820px;
}

.form-panel.narrow {
    max-width: 560px;
}

/* FORMS */
label {
    display: block;
    font-size: 13px;
    font-weight: 800;
    color: var(--sigma-blue-dark);
    margin-bottom: 14px;
}

input, select {
    width: 100%;
    margin-top: 7px;
    padding: 12px 13px;
    border-radius: 12px;
    border: 1px solid rgba(3,46,124,.18);
    background: #fff;
    font: inherit;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--sigma-blue);
    box-shadow: 0 0 0 4px rgba(3,46,124,.10);
}

button {
    background: linear-gradient(135deg, var(--sigma-blue), var(--sigma-blue-dark));
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 11px 18px;
    font-family: var(--font-title);
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 10px 18px rgba(3,46,124,.16);
}

button:hover {
    transform: translateY(-1px);
}

.link-button {
    background: linear-gradient(135deg, var(--sigma-red), #9F1028);
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 9px 15px;
    box-shadow: none;
}

/* ALERTS */
.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 18px;
    border: 1px solid rgba(3,46,124,.12);
    background: rgba(234,241,251,.92);
    color: var(--sigma-blue);
    font-weight: 600;
}

.alert.success {
    background: #E8F7F1;
    color: #0F6B4E;
    border-color: rgba(15,138,101,.18);
}

.alert.danger {
    background: #FBE8EC;
    color: #A11731;
    border-color: rgba(205,20,51,.18);
}

.muted {
    color: #6F747C;
    font-size: 13px;
}

/* FILTERS */
.filters {
    display: flex;
    gap: 14px;
    align-items: end;
    flex-wrap: wrap;
    margin: 0 0 20px;
    padding: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(248,245,234,.86));
    border: 1px solid rgba(3,46,124,.12);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.filters label {
    min-width: 220px;
    margin: 0;
}

/* KPI */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.kpi {
    min-height: 135px;
    border-radius: 18px;
    padding: 18px;
    border: 1px solid rgba(3,46,124,.10);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.kpi:nth-child(1) { background: linear-gradient(180deg, #EDF4FF, #DDE9FC); }
.kpi:nth-child(2) { background: linear-gradient(180deg, #F8F0E4, #EFE2C7); }
.kpi:nth-child(3) { background: linear-gradient(180deg, #EAF7F2, #D9F0E6); }
.kpi:nth-child(4) { background: linear-gradient(180deg, #FBECEF, #F5D9DE); }
.kpi:nth-child(5) { background: linear-gradient(180deg, #EDF4FF, #DDE9FC); }
.kpi:nth-child(6) { background: linear-gradient(180deg, #F8F0E4, #EFE2C7); }
.kpi:nth-child(7) { background: linear-gradient(180deg, #EAF7F2, #D9F0E6); }
.kpi:nth-child(8) { background: linear-gradient(180deg, #FBECEF, #F5D9DE); }

.kpi:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 6px;
    background: var(--sigma-blue);
}

.kpi:nth-child(2):before,
.kpi:nth-child(6):before {
    background: #B08A2E;
}

.kpi:nth-child(3):before,
.kpi:nth-child(7):before {
    background: var(--sigma-ok);
}

.kpi:nth-child(4):before,
.kpi:nth-child(8):before {
    background: var(--sigma-red);
}

.kpi span {
    display: block;
    margin-bottom: 10px;
    color: var(--sigma-blue);
    font-family: var(--font-title);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.kpi strong {
    display: block;
    font-family: var(--font-title);
    color: var(--sigma-blue-dark);
    font-size: clamp(22px, 2.2vw, 32px);
    line-height: 1;
    letter-spacing: -.05em;
}

.positive { color: var(--sigma-ok) !important; }
.negative { color: var(--sigma-red) !important; }

/* GRIDS */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

/* TABLES */
.table-wrap {
    width: 100%;
    overflow-x: auto;
    border-radius: 14px;
    border: 1px solid rgba(3,46,124,.10);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: rgba(255,255,255,.92);
    font-size: 13px;
}

th, td {
    padding: 11px 10px;
    border-bottom: 1px solid var(--sigma-line);
    text-align: left;
}

th {
    background: var(--sigma-blue);
    color: #fff;
    font-family: var(--font-title);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

tbody tr:nth-child(even) td {
    background: rgba(234,241,251,.34);
}

tbody tr:hover td {
    background: rgba(248,245,234,.78);
}

.num {
    text-align: right;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* FOOTER */
.sigma-footer {
    margin-top: 32px;
    padding-top: 18px;
    border-top: 1px solid rgba(3,46,124,.12);
    color: #6F747C;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
    .kpi-grid { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .topbar-inner {
        padding: 12px 18px;
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar nav {
        justify-content: flex-start;
    }

    .container {
        width: min(100% - 24px, 1460px);
        padding-top: 18px;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .filters label {
        min-width: 100%;
    }

    .brand-logo {
        height: 44px;
    }
}

.estado-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    min-width: 92px;
    padding: 6px 10px;
    border-radius: 999px;
    font-family: var(--font-title);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .04em;
}

.estado-ok {
    color: #0F6B4E;
    background: #DFF4EA;
    border: 1px solid rgba(15, 138, 101, .20);
}

.estado-revisar {
    color: #032E7C;
    background: #EAF1FB;
    border: 1px solid rgba(3, 46, 124, .18);
}

.estado-bajo {
    color: #8A5A00;
    background: #F7E8C2;
    border: 1px solid rgba(176, 138, 46, .25);
}

.estado-perdida {
    color: #A11731;
    background: #FBE8EC;
    border: 1px solid rgba(205, 20, 51, .22);
}

.estado-neutro {
    color: #46494F;
    background: #EEF2F7;
    border: 1px solid rgba(70, 73, 79, .18);
}

.estado-clave {
    color: #FFFFFF;
    background: #032E7C;
    border: 1px solid rgba(3, 46, 124, .35);
}

.equilibrio-panel {
    margin-bottom: 22px;
}

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

.equilibrio-layout {
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 22px;
    align-items: stretch;
}

.equilibrio-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 16px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(234, 241, 251, .95), rgba(248, 245, 234, .95));
    border: 1px solid rgba(3, 46, 124, .12);
}

.equilibrio-controls label {
    margin-bottom: 10px;
}

.equilibrio-chart-wrap {
    min-height: 420px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255,255,255,.88);
    border: 1px solid rgba(3, 46, 124, .10);
}

.equilibrio-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(160px, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.equilibrio-card {
    padding: 16px;
    border-radius: 18px;
    background: linear-gradient(180deg, #FFFFFF, #EAF1FB);
    border: 1px solid rgba(3, 46, 124, .12);
    box-shadow: var(--shadow-sm);
}

.equilibrio-card:nth-child(2) {
    background: linear-gradient(180deg, #FFFFFF, #E8F7F1);
}

.equilibrio-card:nth-child(3) {
    background: linear-gradient(180deg, #FFFFFF, #FBE8EC);
}

.equilibrio-card:nth-child(4) {
    background: linear-gradient(180deg, #FFFFFF, #F8F0E4);
}

.equilibrio-card span {
    display: block;
    color: var(--sigma-blue);
    font-family: var(--font-title);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 8px;
}

.equilibrio-card strong {
    display: block;
    color: var(--sigma-blue-dark);
    font-family: var(--font-title);
    font-size: 22px;
    line-height: 1.05;
    letter-spacing: -.03em;
}

.equilibrio-card small {
    display: block;
    margin-top: 6px;
    color: var(--sigma-gray);
    font-size: 12px;
}

@media (max-width: 1100px) {
    .equilibrio-layout {
        grid-template-columns: 1fr;
    }

    .equilibrio-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 680px) {
    .equilibrio-cards {
        grid-template-columns: 1fr;
    }
}

.check-line {
    display: flex !important;
    align-items: center;
    gap: 8px;
    margin-top: -4px;
    margin-bottom: 12px;
    font-size: 12px;
    font-weight: 700;
    color: var(--sigma-blue);
}

.check-line input {
    width: auto;
    margin: 0;
}