:root{
    --primary: #A16AE8;
    --primary-700: #8f4fe0;
    --primary-600: #8f4fe0;
    --primary-light: #b589f0;
    --bg: #f4f6fb;
    --nav-bg: #2a1f3b;
    --nav-bg-light: #3d2f52;
    --text-primary: #1a1a2e;
    --text-secondary: #6c7280;
    --card-bg: #ffffff;
}

body {
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    margin: 0;
    padding: 0;
    background-color: var(--bg);
    display: flex;
    flex-direction: column;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

nav {
    background: linear-gradient(180deg, var(--nav-bg), rgba(42,31,59,0.95));
    color: #fff;
    width: 250px;
    height: calc(100vh - 64px);
    position: fixed;
    top: 64px;
    left: 16px;
    padding-top: 22px;
    transition: transform 0.3s ease, box-shadow .2s ease, width 0.3s ease;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(161, 106, 232, 0.15);
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    margin: 20px 0;
    text-align: center;
}

nav ul li a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    display: block;
    padding: 12px 16px;
    border-radius: 10px;
    transition: background .15s ease, transform .12s ease, color .15s ease;
    font-weight: 500;
    margin: 0 8px;
}

nav ul li a:hover {
    background: linear-gradient(90deg, rgba(161,106,232,0.2), rgba(161,106,232,0.1));
    color: #fff;
    transform: translateX(4px);
}

nav ul li a.active {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    color: #fff;
    font-weight: 700;
}

#menu-toggle, #menu-close {
    font-size: 26px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#menu-close {
    position: absolute;
    top: 18px;
    left: 220px;
}

#contenedor {
    margin-left: 290px;
    padding: 28px;
    width: calc(100% - 330px);
    flex-grow: 1;
    transition: margin-left 0.3s ease, width 0.3s ease;
    overflow-y: auto;
}

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

@media (max-width: 768px) {
    nav {
        transform: translateX(-250px);
        z-index: 100;
    }
    nav.open {
        transform: translateX(0);
    }
    #contenedor {
        margin-left: 0;
        width: 100%;
    }
    #menu-close {
        display: block;
    }
}

@media (min-width: 769px) {
    nav {
        transform: translateX(0);
    }
    nav.closed {
        transform: translateX(-250px);
    }
    #contenedor.closed {
        margin-left: 0;
        width: calc(100% - 40px);
    }
}

.top-bar {
    background: linear-gradient(90deg, var(--primary), var(--primary-700));
    color: #fff;
    width: calc(100% - 32px);
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 16px;
    box-sizing: border-box;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(161, 106, 232, 0.25);
    z-index: 99;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar .notification-icon {
    margin-right: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 20px;
}

.top-bar .notification-icon:hover {
    transform: scale(1.1);
}

.top-bar .user-name {
    font-size: 16px;
    font-weight: 600;
}

@media (max-width: 768px) {
    .top-bar {
        justify-content: space-between;
        width: calc(100% - 32px);
    }
    .top-bar div {
        display: flex;
        align-items: center;
    }
    nav {
        width: 100%;
        left: 0;
        right: 0;
        border-radius: 0;
        height: 100vh;
        top: 0;
        padding-top: 20px;
    }
}

/* Estilos para componentes comunes */

.card {
    background: var(--card-bg);
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(161, 106, 232, 0.08);
    padding: 24px;
    border: 1px solid rgba(161, 106, 232, 0.05);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 32px rgba(161, 106, 232, 0.15);
    transform: translateY(-2px);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-700));
    color: #fff;
    box-shadow: 0 4px 16px rgba(161, 106, 232, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(161, 106, 232, 0.35);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text-primary);
    border: 2px solid rgba(161, 106, 232, 0.2);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

input, textarea, select {
    border: 1px solid rgba(161, 106, 232, 0.15);
    border-radius: 10px;
    padding: 12px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(161, 106, 232, 0.1);
}

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

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

/* Estilos para sección de descarga de app */
.app-download .card {
    background: linear-gradient(180deg, rgba(255,255,255,0.98), #fff);
    border-radius: 14px;
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 18px;
    border: 1px solid rgba(161,106,232,0.06);
}

.app-download h2 { margin:0 0 6px; }
.app-download p { margin:0 0 12px; color:var(--text-secondary); }

@media (max-width:700px){
    .app-download .card{flex-direction:column;align-items:flex-start}
    .app-download img{max-width:160px}
}