/* ===================================================
   Centro Medico — estilos generales
   Paleta tomada del sistema VB.NET original
   Primario:      #1E3A5F  (navbar, encabezados)
   RoyalBlue:     #4169E1  (pacientes, consultar producto)
   DarkSlateBlue: #483D8B  (servicios)
   MediumPurple:  #9370DB  (estado cuenta, reportes)
   DarkViolet:    #9400D3  (seguros)
   Indigo:        #4B0082  (usuarios, configuracion)
   Navy:          #000080  (facturas / iniciar estado)
   SlateGray:     #708090  (panel login)
   =================================================== */

:root {
    --c-primario:     #1E3A5F;
    --c-royal:        #4169E1;
    --c-slate-dark:   #483D8B;
    --c-medium-purple:#9370DB;
    --c-dark-violet:  #8B008B;
    --c-indigo:       #4B0082;
    --c-navy:         #000080;
    --c-slate-gray:   #708090;
    --c-ghost-white:  #F8F8FF;
    --c-bg:           #F5F5F5; /* WhiteSmoke como VB */
    --c-zebra:        #EAF0F6;
    --c-borde:        #d0d8e8;
}

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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    font-size: 14px;
    background: var(--c-bg);
    color: #222;
}

a { color: var(--c-primario); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
    background: linear-gradient(135deg, #162d4a 0%, var(--c-primario) 60%, #254d7a 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 54px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.35);
    border-bottom: 3px solid var(--c-royal);
}

.navbar-marca {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
}

.navbar-marca .icono-marca {
    font-size: 22px;
    opacity: 0.9;
}

.navbar-marca .version {
    font-size: 11px;
    font-weight: 400;
    margin-left: 4px;
    opacity: 0.65;
    background: rgba(255,255,255,0.15);
    padding: 1px 6px;
    border-radius: 10px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2px;
}

.navbar-menu a {
    color: #cce0ff;
    padding: 6px 11px;
    border-radius: 4px;
    font-size: 13px;
    transition: background 0.15s, color 0.15s;
}

.navbar-menu a:hover,
.navbar-menu a.activo {
    background: rgba(255,255,255,0.18);
    color: #fff;
    text-decoration: none;
}

.navbar-usuario {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 14px;
    padding-left: 14px;
    border-left: 1px solid rgba(255,255,255,0.25);
    color: #cce0ff;
    font-size: 13px;
}

.navbar-usuario .icono-usuario {
    font-size: 18px;
    opacity: 0.8;
}

.btn-salir {
    background: rgba(255,255,255,0.12);
    color: #fff !important;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    border: 1px solid rgba(255,255,255,0.2);
    transition: background 0.15s;
}

.btn-salir:hover {
    background: rgba(220,53,69,0.75) !important;
    border-color: transparent;
    text-decoration: none;
}

/* ================================================================
   CONTENIDO
   ================================================================ */
.contenido {
    max-width: 1200px;
    margin: 24px auto;
    padding: 0 20px;
}

/* ================================================================
   PIE
   ================================================================ */
.pie {
    text-align: center;
    padding: 14px;
    font-size: 12px;
    color: #999;
    margin-top: 40px;
    border-top: 1px solid var(--c-borde);
    background: #fff;
}

/* ================================================================
   ALERTAS / FLASH
   ================================================================ */
.alerta {
    padding: 10px 16px;
    border-radius: 5px;
    margin-bottom: 16px;
    font-size: 13px;
    border-left: 4px solid transparent;
}

.alerta-exito  { background: #d4edda; color: #155724; border-left-color: #28a745; }
.alerta-error  { background: #f8d7da; color: #721c24; border-left-color: #dc3545; }
.alerta-aviso  { background: #fff3cd; color: #856404; border-left-color: #ffc107; }
.alerta-info   { background: #d1ecf1; color: #0c5460; border-left-color: #17a2b8; }

/* ================================================================
   BOTONES
   ================================================================ */
.btn {
    display: inline-block;
    padding: 7px 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    font-weight: 600;
    transition: filter 0.15s, transform 0.1s;
    letter-spacing: 0.2px;
}

.btn:hover { filter: brightness(1.1); text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-primario   { background: var(--c-primario); color: #fff; }
.btn-secundario { background: var(--c-slate-gray); color: #fff; }
.btn-peligro    { background: #dc3545; color: #fff; }
.btn-exito      { background: #28a745; color: #fff; }
.btn-navy       { background: var(--c-navy); color: #fff; }
.btn-bloque     { display: block; width: 100%; text-align: center; }

/* ================================================================
   FORMULARIOS
   ================================================================ */
.campo {
    margin-bottom: 14px;
}

.campo label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 13px;
    color: #444;
}

.campo input,
.campo select,
.campo textarea {
    width: 100%;
    padding: 8px 11px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 13px;
    font-family: inherit;
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
    outline: none;
    border-color: var(--c-primario);
    box-shadow: 0 0 0 3px rgba(30,58,95,0.12);
}

.form-acciones {
    display: flex;
    gap: 8px;
    margin-top: 18px;
}

/* ================================================================
   TABLAS
   ================================================================ */
.tabla-contenedor {
    overflow-x: auto;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead th {
    background: var(--c-primario);
    color: #fff;
    padding: 10px 12px;
    text-align: left;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.2px;
}

thead th:first-child { border-radius: 0; }

tbody tr:nth-child(even) { background: var(--c-zebra); }
tbody tr:hover { background: #d5e4f5; }

tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid #e5e9f0;
    vertical-align: middle;
}

.td-acciones { white-space: nowrap; display: flex; gap: 6px; }

/* ================================================================
   TARJETA GENÉRICA
   ================================================================ */
.tarjeta {
    background: #fff;
    border-radius: 6px;
    padding: 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.tarjeta-titulo-seccion {
    font-size: 16px;
    font-weight: 700;
    color: var(--c-primario);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 3px solid var(--c-primario);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ================================================================
   BARRA DE HERRAMIENTAS
   ================================================================ */
.barra-herramientas {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 8px;
}

.barra-herramientas h2 {
    font-size: 18px;
    color: var(--c-primario);
    font-weight: 700;
}

/* ================================================================
   LOGIN
   ================================================================ */
body.pagina-login {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(160deg, #0d2140 0%, var(--c-primario) 50%, #1a4a7a 100%);
}

.login-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 16px;
}

.login-cabecera-top {
    text-align: center;
    margin-bottom: 20px;
    color: #fff;
}

.login-cabecera-top .clinic-icon {
    font-size: 52px;
    display: block;
    margin-bottom: 8px;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
}

.login-cabecera-top h1 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.login-cabecera-top p {
    font-size: 13px;
    opacity: 0.75;
    letter-spacing: 0.3px;
}

.login-contenedor {
    background: var(--c-slate-gray);
    border-radius: 10px;
    padding: 32px 28px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.1);
}

.login-bienvenido {
    text-align: center;
    margin-bottom: 22px;
    color: #fff;
}

.login-bienvenido .icono-llave {
    font-size: 36px;
    display: block;
    margin-bottom: 6px;
    opacity: 0.9;
}

.login-bienvenido h2 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.login-contenedor .campo label {
    color: #e8e8e8;
    font-weight: 600;
}

.login-contenedor .campo input {
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(255,255,255,0.3);
    font-size: 14px;
    padding: 9px 12px;
}

.login-contenedor .campo input:focus {
    background: #fff;
    border-color: #aaccff;
    box-shadow: 0 0 0 3px rgba(100,160,255,0.3);
}

.btn-ingresar {
    background: linear-gradient(135deg, #1a56a0 0%, var(--c-royal) 100%);
    color: #fff;
    padding: 11px 0;
    font-size: 15px;
    font-weight: 700;
    border-radius: 5px;
    border: none;
    width: 100%;
    cursor: pointer;
    margin-top: 8px;
    letter-spacing: 0.3px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.25);
    transition: filter 0.15s, transform 0.1s;
}

.btn-ingresar:hover { filter: brightness(1.1); }
.btn-ingresar:active { transform: scale(0.98); }

.login-version {
    text-align: center;
    margin-top: 14px;
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.3px;
}

/* ================================================================
   INICIO — tarjetas de menú con colores del VB
   ================================================================ */
.inicio-bienvenida {
    margin-bottom: 24px;
    background: #fff;
    border-radius: 8px;
    padding: 16px 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    border-left: 5px solid var(--c-primario);
    display: flex;
    align-items: center;
    gap: 14px;
}

.inicio-bienvenida .icono-bienvenida {
    font-size: 36px;
    opacity: 0.85;
}

.inicio-bienvenida h2 {
    font-size: 19px;
    color: var(--c-primario);
    font-weight: 700;
}

.inicio-bienvenida p {
    color: #666;
    margin-top: 3px;
    font-size: 13px;
}

.inicio-menu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 16px;
}

/* Tarjeta base */
.tarjeta-menu {
    border-radius: 10px;
    padding: 26px 16px 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: transform 0.18s, box-shadow 0.18s, filter 0.18s;
    color: #fff;
    display: block;
    position: relative;
    overflow: hidden;
}

.tarjeta-menu::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    pointer-events: none;
}

.tarjeta-menu:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    filter: brightness(1.08);
    text-decoration: none;
    color: #fff;
}

/* Colores por módulo (igual que los botones del VB) */
.tarjeta-menu--pacientes     { background: linear-gradient(135deg, #2d5cc7, var(--c-royal)); }
.tarjeta-menu--estadocuenta  { background: linear-gradient(135deg, #7b5bc4, var(--c-medium-purple)); }
.tarjeta-menu--servicios     { background: linear-gradient(135deg, #3a2d6e, var(--c-slate-dark)); }
.tarjeta-menu--facturas      { background: linear-gradient(135deg, #00006a, var(--c-navy)); }
.tarjeta-menu--seguros       { background: linear-gradient(135deg, #6a006a, var(--c-dark-violet)); }
.tarjeta-menu--reportes      { background: linear-gradient(135deg, #7b5bc4, var(--c-medium-purple)); }
.tarjeta-menu--usuarios      { background: linear-gradient(135deg, #380060, var(--c-indigo)); }
.tarjeta-menu--medicos       { background: linear-gradient(135deg, #005f40, #00875a); }

.tarjeta-icono {
    font-size: 36px;
    margin-bottom: 10px;
    display: block;
    filter: drop-shadow(0 2px 3px rgba(0,0,0,0.2));
}

.tarjeta-titulo {
    font-weight: 700;
    font-size: 14px;
    color: #fff;
    margin-bottom: 5px;
}

.tarjeta-desc {
    font-size: 12px;
    color: rgba(255,255,255,0.75);
}

/* ================================================================
   PAGINACIÓN
   ================================================================ */
.paginacion {
    display: flex;
    gap: 4px;
    margin-top: 14px;
    justify-content: flex-end;
}

.paginacion a, .paginacion span {
    padding: 5px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 13px;
}

.paginacion a { background: #fff; }
.paginacion a:hover { background: var(--c-zebra); text-decoration: none; }
.paginacion .activo { background: var(--c-primario); color: #fff; border-color: var(--c-primario); }

/* ================================================================
   BADGE DE ESTADO
   ================================================================ */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.badge-pagado   { background: #d4edda; color: #155724; }
.badge-pendiente{ background: #fff3cd; color: #856404; }
.badge-anulado  { background: #f8d7da; color: #721c24; }