/* ========================================
   SIIF - Estilos principales
   ======================================== */

:root {
    --color-primary: #12324a;
    --color-primary-light: #1d5564;
    --color-accent: #b08b4f;
    --color-secondary: #1a3f5c;

    --color-bg: #f3f5f6;
    --color-surface: #ffffff;
    --color-border: #d6dde2;

    --color-text: #1c242b;
    --color-muted: #5a6670;

    --color-success: #1d6a4f;
    --color-error: #a83d3d;
    --color-warning: #b07a24;

    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 18px;

    --shadow-sm: 0 6px 16px rgba(18, 50, 74, 0.08);
    --shadow-md: 0 12px 30px rgba(18, 50, 74, 0.15);
    --shadow-lg: 0 20px 50px rgba(18, 50, 74, 0.2);

    --transition: all 0.25s ease;

    --primary: var(--color-primary);
    --primary-light: var(--color-primary-light);
    --surface: var(--color-surface);
    --border: var(--color-border);
    --text-primary: var(--color-text);
    --text-secondary: var(--color-muted);
    --background: var(--color-bg);
    --shadow: var(--shadow-sm);
    --error: var(--color-error);
}

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

body {
    font-family: "Sora", "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    letter-spacing: 0.01em;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 15% 15%, rgba(176, 139, 79, 0.16), transparent 45%),
        radial-gradient(circle at 85% 10%, rgba(18, 50, 74, 0.14), transparent 40%),
        linear-gradient(180deg, #f2f5f7 0%, #f6f8f9 40%, #eef2f4 100%);
    z-index: -1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Fraunces", "Sora", sans-serif;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

main {
    padding: 2.5rem 1.5rem 3.5rem;
    min-height: calc(100vh - 160px);
    animation: pageIn 0.6s ease both;
    max-width: 1440px;
    margin: 0 auto;
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Navbar ========== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(120deg, rgba(18, 50, 74, 0.96), rgba(26, 63, 92, 0.96));
    color: #fdf8f3;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.nav-logo {
    height: 44px;
    width: auto;
    padding: 0.2rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.12);
}

.nav-title {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.nav-system {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fdf8f3;
}

.nav-subtitle {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.7);
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.35rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-link {
    text-decoration: none;
    color: #fdf8f3;
    font-weight: 600;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid transparent;
    background: transparent;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-1px);
}

.nav-link.active {
    background: var(--color-accent);
    border-color: transparent;
    color: #fff;
}

/* ========== Layout Containers ========== */
.container {
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(15, 61, 62, 0.12);
    max-width: 900px;
    width: 100%;
    padding: 2.5rem;
    margin: 0 auto;
}

.dashboard-container,
.reportes-container {
    max-width: 1400px;
    margin: 0 auto;
}

.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.pagination-controls button {
    padding: 0.45rem 0.8rem;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.pagination-controls button:hover:not(:disabled) {
    background: var(--color-bg);
    border-color: var(--color-primary);
}

.pagination-controls button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.pagination-info {
    font-weight: 600;
    color: var(--color-muted);
}

.pagination-controls .page-jump {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.pagination-controls .page-jump input {
    width: 70px;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
    font-size: 0.85rem;
}

.pagination-controls .page-jump input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.pagination-controls .page-jump button {
    padding: 0.4rem 0.7rem;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

/* ========== Buttons ========== */
.btn,
.btn-primary,
.btn-process,
.btn-generate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.6rem;
    border: none;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
    gap: 0.4rem;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 10px 22px rgba(224, 122, 95, 0.25);
}

.btn-primary:hover {
    background: #d4694f;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid rgba(15, 61, 62, 0.4);
}

.btn-secondary:hover {
    background: rgba(15, 61, 62, 0.08);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--color-success);
    color: #fff;
}

.btn-success:hover {
    background: #17624a;
    transform: translateY(-2px);
}

.btn-process {
    width: 100%;
    background: var(--color-secondary);
    color: #fff;
    font-size: 1.05rem;
    margin-top: 1rem;
}

.btn-process:hover {
    background: #163f57;
    transform: translateY(-2px);
}

.btn-process:disabled,
.btn-generate:disabled {
    background: var(--color-muted);
    cursor: not-allowed;
    transform: none;
    opacity: 0.6;
}

.btn-generate {
    background: var(--color-success);
    color: #fff;
    padding: 1rem 2.2rem;
    font-size: 1rem;
    width: 100%;
    margin-top: 1rem;
}

.btn-generate:hover {
    background: #17624a;
}

.btn.clicked {
    opacity: 0.75;
    transform: scale(0.98);
}

/* ========== Cards ========== */
.stat-card,
.report-card,
.chart-card,
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 61, 62, 0.12);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.stat-card {
    padding: 1.4rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: "";
    position: absolute;
    inset: auto -10% -45% auto;
    width: 160px;
    height: 160px;
    background: rgba(224, 122, 95, 0.14);
    border-radius: 50%;
}

.stat-card h3 {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-card .value {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0.55rem 0 0.3rem;
}

.stat-card .change {
    font-size: 0.8rem;
    color: var(--color-success);
}

.report-card,
.chart-card {
    padding: 1.8rem;
    margin-bottom: 2rem;
    content-visibility: auto;
    contain-intrinsic-size: 520px;
}

.report-card h2,
.chart-card h3 {
    margin: 0 0 1.2rem 0;
    color: var(--color-text);
}

/* ========== Grids ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stats-grid > * {
    animation: riseIn 0.6s ease both;
}

.stats-grid > *:nth-child(2) { animation-delay: 0.05s; }
.stats-grid > *:nth-child(3) { animation-delay: 0.1s; }
.stats-grid > *:nth-child(4) { animation-delay: 0.15s; }

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-grid,
.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

/* ========== Formularios ========== */
.form-group,
.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

label {
    font-weight: 600;
    color: var(--color-primary);
}

.form-control,
textarea,
select,
input {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1px solid rgba(15, 61, 62, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    background: #fbfaf8;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus,
textarea:focus,
select:focus,
input:focus {
    outline: none;
    border-color: rgba(224, 122, 95, 0.7);
    box-shadow: 0 0 0 3px rgba(224, 122, 95, 0.2);
    background: #fff;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.filters-section {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(15, 61, 62, 0.12);
    border-radius: var(--radius-lg);
    padding: 1.6rem;
    box-shadow: var(--shadow-sm);
}

/* ========== Tables ========== */
.table-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(15, 61, 62, 0.12);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    content-visibility: auto;
    contain-intrinsic-size: 520px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tabla-resultados,
.table-results,
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.tabla-resultados thead,
.table thead {
    background: var(--color-primary);
}

.tabla-resultados th,
.table th,
thead th {
    color: #fff;
    padding: 0.8rem 1rem;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.tabla-resultados td,
.table td,
tbody td {
    border-bottom: 1px solid rgba(15, 61, 62, 0.1);
    padding: 0.7rem 1rem;
}

tbody tr:nth-child(even) {
    background: #fbfaf8;
}

tbody tr:hover {
    background: rgba(224, 122, 95, 0.08);
}

.stat-card:hover,
.report-card:hover,
.chart-card:hover,
.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ========== Badges ========== */
.badge {
    display: inline-block;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success {
    background: rgba(31, 122, 92, 0.15);
    color: var(--color-success);
}

.badge-danger {
    background: rgba(178, 60, 60, 0.15);
    color: var(--color-error);
}

.badge-neutral {
    background: rgba(111, 106, 99, 0.15);
    color: var(--color-muted);
}

/* ========== Loading ========== */
.spinner,
.loading-spinner {
    width: 26px;
    height: 26px;
    border: 3px solid rgba(15, 61, 62, 0.2);
    border-top: 3px solid var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* ========== Footer ========== */
footer {
    background: linear-gradient(120deg, rgba(15, 61, 62, 0.96), rgba(27, 77, 107, 0.96));
    color: rgba(255, 255, 255, 0.8);
    padding: 1.6rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

footer p {
    margin: 0.3rem 0;
    font-size: 0.9rem;
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #efeae3;
}

::-webkit-scrollbar-thumb {
    background: rgba(15, 61, 62, 0.35);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(15, 61, 62, 0.55);
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        justify-content: flex-start;
        width: 100%;
    }

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

@media (max-width: 700px) {
    main {
        padding: 2rem 1rem 3rem;
    }

    .nav-container {
        padding: 0.9rem 1rem;
    }

    .container {
        padding: 2rem 1.5rem;
    }

    .btn,
    .btn-primary,
    .btn-process,
    .btn-generate {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}