/**
 * ESTILOS PRINCIPALES DEL ERP ARROBA
 * Diseño moderno, responsivo y profesional
 */

/* ============================================
   COLORES Y VARIABLES
   ============================================ */
:root {
    --color-primary: #FF6B35;      /* Naranja vibrante */
    --color-secondary: #004E89;    /* Azul profundo */
    --color-accent: #1A659E;       /* Azul medio */
    --color-success: #06D6A0;      /* Verde */
    --color-warning: #FFD23F;      /* Amarillo */
    --color-danger: #EF476F;       /* Rojo */
    --color-dark: #2C3E50;         /* Gris oscuro */
    --color-light: #ECF0F1;        /* Gris claro */
    --color-white: #FFFFFF;
    
    --font-primary: 'Ubuntu', 'Segoe UI', sans-serif;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* ============================================
   RESET Y BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--color-dark);
}

/* ============================================
   PÁGINA DE LOGIN
   ============================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 450px;
}

.login-box {
    background: var(--color-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.5s ease-out;
}

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

.logo-login {
    text-align: center;
    margin-bottom: 30px;
}

.logo-login img {
    max-width: 200px;
    height: auto;
}

.login-box h1 {
    text-align: center;
    color: var(--color-primary);
    font-size: 24px;
    margin-bottom: 10px;
}

.login-box h2 {
    text-align: center;
    color: var(--color-secondary);
    font-size: 16px;
    margin-bottom: 30px;
    font-weight: normal;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-dark);
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--color-light);
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.btn-login {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-danger));
    color: var(--color-white);
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.error-message {
    background: var(--color-danger);
    color: var(--color-white);
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
}

.footer-login {
    text-align: center;
    margin-top: 20px;
    color: #7f8c8d;
    font-size: 14px;
}

/* ============================================
   NAVEGACIÓN
   ============================================ */
.navbar {
    background: var(--color-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.navbar-logo img {
    height: 50px;
}

.navbar-menu {
    display: flex;
    gap: 5px;
    flex: 1;
}

.nav-link {
    padding: 10px 20px;
    color: var(--color-dark);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-name {
    color: var(--color-dark);
    font-weight: 600;
}

.btn-logout {
    padding: 8px 20px;
    background: var(--color-danger);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ============================================
   CONTENIDO PRINCIPAL
   ============================================ */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px;
}

.welcome-section {
    background: var(--color-white);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    text-align: center;
}

.welcome-section h1 {
    color: var(--color-primary);
    font-size: 32px;
    margin-bottom: 10px;
}

.subtitle {
    color: var(--color-secondary);
    font-size: 18px;
}

/* ============================================
   DASHBOARD GRID
   ============================================ */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.dashboard-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: 20px;
}

.dashboard-card h3 {
    color: var(--color-dark);
    font-size: 24px;
    margin-bottom: 10px;
    text-align: center;
}

.dashboard-card p {
    color: #7f8c8d;
    text-align: center;
    margin-bottom: 20px;
}

.card-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn {
    padding: 12px 20px;
    border-radius: 10px;
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-danger));
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-white);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-white);
    padding: 20px;
    text-align: center;
    margin-top: 50px;
    box-shadow: var(--shadow);
}

.footer-content p {
    color: var(--color-dark);
    margin: 5px 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .navbar-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-link {
        text-align: center;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}