/* ============================================================
   SISTEMA ROP - CEOFANB
   Hoja de Estilos Principal
   Paleta: Degradado Verde Militar + Dorado + Blanco + Negro
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- Variables CSS (Design Tokens) --- */
:root {
    /* Verdes institucionales */
    --verde-900: #0a2e14;
    --verde-800: #0d3b1a;
    --verde-700: #145a28;
    --verde-600: #1a7535;
    --verde-500: #1f8c3f;
    --verde-400: #28a74a;
    --verde-300: #4cc56d;
    --verde-200: #8cdb9f;
    --verde-100: #c8efd1;
    --verde-50:  #eaf7ee;

    /* Dorados */
    --dorado-600: #a67c00;
    --dorado-500: #c9960c;
    --dorado-400: #daa520;
    --dorado-300: #e6be4d;
    --dorado-200: #f0d47a;
    --dorado-100: #faedc4;

    /* Neutros */
    --negro:       #111111;
    --gris-900:    #1a1a2e;
    --gris-800:    #2d2d44;
    --gris-700:    #3d3d5c;
    --gris-600:    #555573;
    --gris-500:    #71718a;
    --gris-400:    #9e9eb5;
    --gris-300:    #c4c4d4;
    --gris-200:    #e2e2ec;
    --gris-100:    #f1f1f6;
    --gris-50:     #f8f8fb;
    --blanco:      #ffffff;

    /* Semánticos */
    --exito:    #22c55e;
    --error:    #ef4444;
    --alerta:   #f59e0b;
    --info:     #3b82f6;

    /* Gradientes */
    --grad-verde: linear-gradient(135deg, var(--verde-800) 0%, var(--verde-600) 50%, var(--verde-500) 100%);
    --grad-dorado: linear-gradient(135deg, var(--dorado-500) 0%, var(--dorado-400) 50%, var(--dorado-300) 100%);
    --grad-oscuro: linear-gradient(135deg, var(--gris-900) 0%, var(--verde-900) 100%);

    /* Sombras */
    --sombra-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
    --sombra-md: 0 4px 12px rgba(0,0,0,0.15);
    --sombra-lg: 0 10px 30px rgba(0,0,0,0.2);
    --sombra-xl: 0 20px 50px rgba(0,0,0,0.3);
    --sombra-dorada: 0 4px 20px rgba(218,165,32,0.3);

    /* Tipografía */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Bordes */
    --radio-sm: 6px;
    --radio-md: 10px;
    --radio-lg: 16px;
    --radio-xl: 24px;
    --radio-full: 9999px;

    /* Transiciones */
    --trans: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset y Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--gris-900);
    background: var(--gris-50);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--verde-600);
    text-decoration: none;
    transition: var(--trans);
}

a:hover {
    color: var(--verde-400);
}

/* ============================================================
   PÁGINA DE LOGIN
   ============================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grad-oscuro);
    position: relative;
    overflow: hidden;
}

/* Patrón decorativo de fondo */
.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 70%, rgba(26,117,53,0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(218,165,32,0.08) 0%, transparent 50%);
    animation: bgPulse 15s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.05) rotate(2deg); }
}

.login-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.login-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radio-xl);
    padding: 48px 40px;
    box-shadow: var(--sombra-xl);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-escudos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.login-escudos img {
    height: 72px;
    width: auto;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
    transition: var(--trans);
}

.login-escudos img:hover {
    transform: scale(1.05);
}

.login-header h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--blanco);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.login-header .subtitulo {
    font-size: 0.85rem;
    color: var(--dorado-300);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* --- Formularios --- */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gris-300);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--blanco);
    background: rgba(255,255,255,0.07);
    border: 1.5px solid rgba(255,255,255,0.15);
    border-radius: var(--radio-md);
    outline: none;
    transition: var(--trans);
}

.form-control::placeholder {
    color: var(--gris-500);
}

.form-control:focus {
    border-color: var(--dorado-400);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 3px rgba(218,165,32,0.15);
}

/* Variante para páginas internas (fondo claro) */
.form-light .form-control {
    color: var(--gris-900);
    background: var(--blanco);
    border-color: var(--gris-200);
}

.form-light .form-control:focus {
    border-color: var(--verde-500);
    box-shadow: 0 0 0 3px rgba(31,140,63,0.1);
}

.form-light label {
    color: var(--gris-700);
}

/* Toggle password */
.password-toggle {
    position: absolute;
    right: 14px;
    top: 38px;
    background: none;
    border: none;
    color: var(--gris-400);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
    transition: var(--trans);
}

.password-toggle:hover {
    color: var(--dorado-400);
}

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radio-md);
    cursor: pointer;
    transition: var(--trans);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    width: 100%;
    background: var(--grad-dorado);
    color: var(--negro);
    box-shadow: var(--sombra-dorada);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(218,165,32,0.4);
    transform: translateY(-1px);
}

.btn-verde {
    background: var(--grad-verde);
    color: var(--blanco);
}

.btn-verde:hover {
    box-shadow: 0 6px 20px rgba(31,140,63,0.3);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--gris-300);
    color: var(--gris-600);
}

.btn-outline:hover {
    border-color: var(--verde-500);
    color: var(--verde-500);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-danger {
    background: var(--error);
    color: var(--blanco);
}

/* --- Alertas / Mensajes Flash --- */
.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-radius: var(--radio-md);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    animation: fadeInUp 0.3s ease-out;
    position: relative;
}

.alert-success {
    background: rgba(34,197,94,0.12);
    color: #16a34a;
    border: 1px solid rgba(34,197,94,0.3);
}

.alert-error {
    background: rgba(239,68,68,0.12);
    color: #dc2626;
    border: 1px solid rgba(239,68,68,0.3);
}

.alert-warning {
    background: rgba(245,158,11,0.12);
    color: #d97706;
    border: 1px solid rgba(245,158,11,0.3);
}

.alert-info {
    background: rgba(59,130,246,0.12);
    color: #2563eb;
    border: 1px solid rgba(59,130,246,0.3);
}

/* Variante oscura (para login) */
.alert-error-dark {
    background: rgba(239,68,68,0.15);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,0.25);
}

.alert-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.alert-close {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    transition: var(--trans);
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================================
   LAYOUT PRINCIPAL (post-login)
   ============================================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar / Navegación --- */
.sidebar {
    width: 260px;
    background: var(--grad-oscuro);
    color: var(--blanco);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--trans);
    overflow-y: auto;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header img {
    height: 42px;
    width: auto;
}

.sidebar-header .brand {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.3;
}

.sidebar-header .brand small {
    display: block;
    font-size: 0.65rem;
    color: var(--dorado-300);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    padding: 16px 12px;
    flex: 1;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--gris-500);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    color: var(--gris-300);
    border-radius: var(--radio-md);
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--trans);
    margin-bottom: 2px;
}

.nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: var(--blanco);
}

.nav-link.active {
    background: rgba(218,165,32,0.15);
    color: var(--dorado-300);
    font-weight: 600;
}

.nav-link .nav-icon {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

/* Sidebar footer */
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radio-full);
    background: var(--grad-dorado);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--negro);
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-details .user-name {
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-details .user-role {
    font-size: 0.7rem;
    color: var(--dorado-300);
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 0;
    min-height: 100vh;
}

.content-header {
    background: var(--blanco);
    padding: 24px 32px;
    border-bottom: 1px solid var(--gris-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--sombra-sm);
}

.content-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gris-900);
}

.content-header .breadcrumb {
    font-size: 0.8rem;
    color: var(--gris-500);
}

.content-body {
    padding: 28px 32px;
}

/* ============================================================
   TARJETAS
   ============================================================ */
.card {
    background: var(--blanco);
    border-radius: var(--radio-lg);
    border: 1px solid var(--gris-200);
    box-shadow: var(--sombra-sm);
    overflow: hidden;
    transition: var(--trans);
}

.card:hover {
    box-shadow: var(--sombra-md);
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--gris-100);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 24px;
}

/* ============================================================
   CAMBIO DE CLAVE (pantalla forzada)
   ============================================================ */
.cambio-clave-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grad-oscuro);
    position: relative;
}

.cambio-clave-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(218,165,32,0.06) 0%, transparent 60%);
}

.cambio-clave-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 480px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radio-xl);
    padding: 48px 40px;
    box-shadow: var(--sombra-xl);
    animation: fadeInUp 0.5s ease-out;
}

.cambio-clave-card h2 {
    color: var(--blanco);
    font-size: 1.4rem;
    margin-bottom: 8px;
    text-align: center;
}

.cambio-clave-card .aviso {
    text-align: center;
    color: var(--dorado-300);
    font-size: 0.85rem;
    margin-bottom: 28px;
    line-height: 1.5;
}

.password-rules {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radio-md);
    padding: 14px 18px;
    margin-bottom: 24px;
}

.password-rules p {
    font-size: 0.78rem;
    color: var(--gris-400);
    margin-bottom: 6px;
    font-weight: 600;
    text-transform: uppercase;
}

.password-rules li {
    font-size: 0.8rem;
    color: var(--gris-300);
    margin-bottom: 4px;
    list-style: none;
    padding-left: 20px;
    position: relative;
}

.password-rules li::before {
    content: '○';
    position: absolute;
    left: 0;
    color: var(--gris-500);
}

.password-rules li.valid::before {
    content: '●';
    color: var(--exito);
}

/* ============================================================
   SELECT ESTILIZADO
   ============================================================ */
.form-select {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--gris-900);
    background: var(--blanco);
    border: 1.5px solid var(--gris-200);
    border-radius: var(--radio-md);
    outline: none;
    transition: var(--trans);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23555573' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    cursor: pointer;
}

.form-select:focus {
    border-color: var(--verde-500);
    box-shadow: 0 0 0 3px rgba(31,140,63,0.1);
}

/* ============================================================
   UTILIDADES
   ============================================================ */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.w-100 { width: 100%; }

.forgot-link {
    display: block;
    text-align: center;
    margin-top: 16px;
    font-size: 0.82rem;
    color: var(--gris-400);
    transition: var(--trans);
}

.forgot-link:hover {
    color: var(--dorado-300);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .login-card,
    .cambio-clave-card {
        padding: 32px 24px;
    }

    .content-body {
        padding: 20px 16px;
    }
}

/* --- Overlay para sidebar móvil --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

/* --- Botón hamburguesa --- */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gris-700);
    cursor: pointer;
    padding: 4px;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
}

/* --- Spinner de carga --- */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--gris-200);
    border-top-color: var(--verde-500);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

.btn .spinner {
    width: 18px;
    height: 18px;
    border-width: 2px;
    border-color: rgba(255,255,255,0.3);
    border-top-color: var(--blanco);
}