/* =====================================================================
   BASE CSS - Variables, reset, tipografía
   Sistema de Contabilidad
   ===================================================================== */

:root {
    /* Colores primarios */
    --color-primary:        #2d5f3f;
    --color-primary-hover:  #244d33;
    --color-primary-light:  #e8f0ea;

    /* Neutros */
    --color-text:           #1a1a1a;
    --color-text-body:      #4a5568;
    --color-text-muted:     #718096;
    --color-border:         #e2e8f0;
    --color-border-light:   #edf0f5;
    --color-bg:             #f7f8fa;
    --color-bg-card:        #ffffff;
    --color-bg-hover:       #f1f3f7;

    /* Estados */
    --color-success:        #2d5f3f;
    --color-success-bg:     #e8f0ea;
    --color-error:          #c53030;
    --color-error-bg:       #fed7d7;
    --color-warning:        #d69e2e;
    --color-warning-bg:     #fefcbf;
    --color-info:           #2b6cb0;
    --color-info-bg:        #bee3f8;

    /* Espaciado */
    --sp-xs:  4px;
    --sp-sm:  8px;
    --sp-md:  16px;
    --sp-lg:  24px;
    --sp-xl:  32px;
    --sp-xxl: 48px;

    /* Otros */
    --radius:        6px;
    --radius-sm:     4px;
    --radius-lg:     10px;
    --shadow-sm:     0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md:     0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-dropdown: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition:    150ms ease;

    /* Layout */
    --sidebar-width:           220px;
    --sidebar-width-collapsed: 64px;
    --topbar-height:           64px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-text-body);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--sp-md);
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.3;
}
h1 { font-size: 28px; }
h2 { font-size: 22px; }
h3 { font-size: 18px; font-weight: 600; }

p { margin: 0 0 var(--sp-md); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--color-primary-hover); }

button { font-family: inherit; cursor: pointer; }

/* === Botones === */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    text-decoration: none;
    line-height: 1.4;
}
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #fff;
}
.btn-secondary {
    background: #fff;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-secondary:hover {
    background: var(--color-bg-hover);
}
.btn-danger {
    background: #fff;
    color: var(--color-error);
    border-color: #fed7d7;
}
.btn-danger:hover {
    background: var(--color-error);
    color: #fff;
    border-color: var(--color-error);
}
.btn-block { display: block; width: 100%; }
.btn-link {
    display: inline-block;
    margin-top: var(--sp-md);
    color: var(--color-text-muted);
    font-size: 14px;
}

/* === Selector segmentado ===
   Dos o tres opciones excluyentes que se ven como botones, con la elegida
   marcada. Por dentro son radios de verdad, no JavaScript: el formulario los
   envía solo y funcionan con el teclado.

   Los <label> llevan clase propia porque ".form-group label" los pone en
   bloque y en mayúsculas —es el estilo del título del campo—, y heredarlo
   estiraba cada opción a lo ancho y partía el texto palabra por palabra. */
.segmented {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: var(--sp-xs);
}
.segmented-option {
    display: flex !important;
    align-items: flex-start;
    gap: 10px;
    margin: 0 !important;
    padding: 12px 16px;
    min-width: 220px;
    max-width: 340px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg-card);
    cursor: pointer;
    text-transform: none !important;
    letter-spacing: normal !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--color-text) !important;
    line-height: 1.35;
    transition: border-color var(--transition), background var(--transition);
}
.segmented-option:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-hover);
}
.segmented-option input[type="radio"] {
    width: auto !important;
    margin: 2px 0 0 0;
    flex-shrink: 0;
    accent-color: var(--color-primary);
}
.segmented-option .segmented-titulo {
    display: block;
    font-weight: 700;
}
.segmented-option .segmented-ayuda {
    display: block;
    margin-top: 2px;
    font-size: 12.5px;
    font-weight: 400;
    color: var(--color-text-muted);
}
/* :has() lo entienden todos los navegadores de hoy; si alguno no,
   simplemente no se pinta el marcado y el radio sigue funcionando. */
.segmented-option:has(input:checked) {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.segmented-option:has(input:checked) .segmented-titulo {
    color: var(--color-primary);
}
.segmented-option:has(input:focus-visible) {
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* === Formularios === */
.form-group {
    margin-bottom: var(--sp-lg);
}
.form-group label {
    display: block;
    margin-bottom: var(--sp-xs);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    color: var(--color-text);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-help {
    display: block;
    margin-top: var(--sp-xs);
    font-size: 13px;
    color: var(--color-text-muted);
}

/* === Alertas === */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: var(--sp-lg);
    font-size: 14px;
    border: 1px solid transparent;
}
.alert-success { background: var(--color-success-bg); color: var(--color-success); border-color: #c6e0ce; }
.alert-error   { background: var(--color-error-bg);   color: var(--color-error);   border-color: #fbb6b6; }
.alert-warning { background: var(--color-warning-bg); color: #975a16;              border-color: #faf089; }
.alert-info    { background: var(--color-info-bg);    color: var(--color-info);    border-color: #90cdf4; }

/* === Cards === */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--sp-lg);
    margin-bottom: var(--sp-lg);
    box-shadow: var(--shadow-sm);
}

/* === Tablas === */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}
.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}
.table th {
    background: var(--color-bg);
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.table tbody tr:hover {
    background: var(--color-bg-hover);
}
.table td.text-right,
.table th.text-right {
    text-align: right;
}

/* === Utilidades === */
.text-muted { color: var(--color-text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-md { margin-bottom: var(--sp-md); }
.mb-lg { margin-bottom: var(--sp-lg); }
.mt-md { margin-top: var(--sp-md); }
.mt-lg { margin-top: var(--sp-lg); }

/* === SVG Iconos inline === */
svg { width: 18px; height: 18px; flex-shrink: 0; }