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

:root {
    /* Colores principales */
    --primary-color: #2a5298;
    --primary-dark: #1565C0;
    --secondary-color: #0D47A1;
    --accent-color: #2196F3;
    
    /* Colores de estado */
    --success-color: #43A047;
    --success-dark: #47a94c;
    --warning-color: #FB8C00;
    --warning-dark: #E65100;
    --danger-color: #E53935;
    --danger-dark: #C62828;
    --info-color: #098ccd;
    --info-dark: #0277BD;
    
    /* Backgrounds y textos */
    --light-bg: #E3F2FD;
    --white-bg: #FFFFFF;
    --dark-text: #212121;
    --medium-text: #424242;
    --light-text: #757575;
    
    /* Sombras */
    --card-shadow: rgba(13, 71, 161, 0.15);
    --card-shadow-hover: rgba(13, 71, 161, 0.25);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Botones */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--card-shadow-hover);
}

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

.btn-success:hover {
    background-color: var(--success-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(67, 160, 71, 0.3);
}

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

/* Navbar */
.navbar {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    padding: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}


/* Logo clickeable - mejoras de estilo */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: white;
    white-space: nowrap;
    text-decoration: none !important;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.navbar-brand:hover,
.navbar-brand:focus,
.navbar-brand:active,
.navbar-brand:visited {
    text-decoration: none !important;
    color: white;
    opacity: 0.85;
}

.navbar-brand svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    padding: 5px 10px;
    line-height: 1;
}

.navbar-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 5px;
    align-items: center;
}

.navbar-menu li {
    margin: 0;
}

.navbar-menu a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    white-space: nowrap;
}

.navbar-menu a:hover {
    background: rgba(255,255,255,0.15);
}

.navbar-menu a.active {
    background: rgba(255,255,255,0.25);
    font-weight: 600;
}

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

.navbar-user-desktop {
    display: flex;
}

.user-info {
    text-align: right;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    opacity: 0.9;
}

.btn-logout {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-logout:hover {
    background: rgba(255,255,255,0.3);
}

/* Ocultar elementos móviles en desktop */
.navbar-user-mobile,
.navbar-logout-mobile {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-container {
        padding: 12px 20px;
        position: relative;
    }

    .navbar-brand {
        font-size: 18px;
    }

    .menu-toggle {
        display: block !important;
        z-index: 1001;
    }

    /* Ocultar usuario de desktop en móvil */
    .navbar-user-desktop {
        display: none !important;
    }

    /* Mostrar elementos móviles */
    .navbar-user-mobile,
    .navbar-logout-mobile {
        display: block !important;
        width: 100%;
    }

    .navbar-menu {
        display: none !important;
        flex-direction: column;
        position: absolute;
        top: calc(100% + 10px);
        left: 15px;
        right: 15px;
        background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
        box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        padding: 0;
        gap: 0;
        z-index: 999;
        border-radius: 12px;
        overflow: hidden;
    }

    .navbar-menu.mobile-open {
        display: flex !important;
    }

    .navbar-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .navbar-menu li:last-child {
        border-bottom: none;
    }

    .navbar-menu a {
        padding: 15px 30px;
        border-radius: 0;
        width: 100%;
        justify-content: flex-start;
    }

    .navbar-menu a:hover {
        background: rgba(255,255,255,0.1);
    }

    .user-info-mobile {
        padding: 15px 30px;
        background: rgba(0,0,0,0.2);
        text-align: left;
    }

    .user-info-mobile .user-name {
        font-weight: 600;
        font-size: 14px;
        color: white;
    }

    .user-info-mobile .user-role {
        font-size: 12px;
        color: rgba(255,255,255,0.8);
    }

    .btn-logout-mobile {
        display: block;
        width: 100%;
        padding: 15px 30px;
        background: rgba(229, 57, 53, 0.9);
        color: white;
        text-decoration: none;
        font-weight: 500;
        text-align: left;
    }

    .btn-logout-mobile:hover {
        background: rgba(229, 57, 53, 1);
    }
}