/* =============================================
   Tienda Cómputo - Estilos globales
   ============================================= */

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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: #f0f2f5;
    color: #1a1a2e;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; }

/* ---- NAV ---- */
nav {
    background: #1a1a2e;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.nav-logo{
    width: 140px;
    height: auto;
    display: block;

    border-radius: 12px;

    filter: drop-shadow(0px 4px 10px rgba(0,0,0,0.35));
}

nav .nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

nav .nav-links a {
    color: #ccc;
    font-size: 0.9rem;
    transition: color .2s;
}

nav .nav-links a:hover { color: #00d4ff; }

nav .nav-links .btn-nav {
    background: #00d4ff;
    color: #1a1a2e;
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

nav .nav-links .btn-nav:hover { background: #00b8e0; color: #fff; }

/* ---- CONTENEDOR PRINCIPAL ---- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ---- HERO ---- */
.hero{
    position: relative;
    overflow: hidden;

    color: #fff;
    text-align: center;
    padding: 5rem 2rem;
}
.hero::before{
    content: "";
    position: absolute;
    inset: 0;

    background-image: url('laptop-portátil.jpg');
    background-size: cover;
    background-position: center;

    filter: blur(8px);
    transform: scale(1.1);

    z-index: -2;
}
.hero::after{
    content: "";
    position: absolute;
    inset: 0;

    background: rgba(0,0,0,0.45);

    z-index: -1;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.hero h1 span { color: #00d4ff; }

.hero p {
    font-size: 1.1rem;
    color: #aac4e0;
    margin-bottom: 2rem;
}

.hero .btn-hero {
    display: inline-block;
    background: #00d4ff;
    color: #1a1a2e;
    padding: 14px 36px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    transition: transform .2s, box-shadow .2s;
}

.hero .btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,212,255,0.4);
}

/* ---- SECCIÓN TITULO ---- */
.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: .5rem;
    border-bottom: 3px solid #00d4ff;
    display: inline-block;
}

/* ---- GRID DE PRODUCTOS ---- */
.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.card-producto {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform .2s, box-shadow .2s;
}

.card-producto:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.card-producto img {
    width: 100%;
    height: 170px;
    object-fit: cover;
    background: #e8f4f8;
}

.card-producto .card-body {
    padding: 1rem;
}

.card-producto .card-body h3 {
    font-size: 1rem;
    margin-bottom: .4rem;
}

.card-producto .card-body .precio {
    color: #0f3460;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: .3rem;
}

.card-producto .card-body .categoria {
    font-size: .8rem;
    color: #888;
    background: #f0f2f5;
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
}

/* ---- GRID DE SERVICIOS ---- */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.card-servicio {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-left: 4px solid #00d4ff;
    transition: transform .2s;
}

.card-servicio:hover { transform: translateY(-3px); }

.card-servicio h3 { font-size: 1rem; margin-bottom: .5rem; }
.card-servicio p  { font-size: .88rem; color: #555; margin-bottom: .8rem; }

.card-servicio .precio-desde {
    font-size: .85rem;
    color: #0f3460;
    font-weight: 600;
}

.btn-solicitar {
    display: inline-block;
    margin-top: .8rem;
    background: #0f3460;
    color: #fff;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: .85rem;
    transition: background .2s;
}

.btn-solicitar:hover { background: #1a5290; }

/* ---- FORMULARIOS ---- */
.form-card {
    background: #fff;
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 440px;
    margin: 3rem auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.form-card h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #1a1a2e;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: .9rem;
    font-weight: 600;
    margin-bottom: .4rem;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: .95rem;
    font-family: inherit;
    transition: border-color .2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #00d4ff;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background: #1a1a2e;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
    margin-top: .5rem;
}

.btn-submit:hover { background: #0f3460; }

.form-footer {
    text-align: center;
    margin-top: 1rem;
    font-size: .88rem;
    color: #666;
}

.form-footer a { color: #0f3460; font-weight: 600; }

/* ---- ALERTAS ---- */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: .9rem;
}

.alert-error   { background: #ffe0e0; color: #c0392b; border-left: 4px solid #c0392b; }
.alert-success { background: #e0f7e9; color: #27ae60; border-left: 4px solid #27ae60; }
.alert-info    { background: #e0f0ff; color: #2980b9; border-left: 4px solid #2980b9; }

/* ---- PANEL DE USUARIO ---- */
.panel-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.sidebar {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    height: fit-content;
}

.sidebar h3 {
    font-size: 1rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.sidebar ul { list-style: none; }

.sidebar ul li a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: .9rem;
    color: #333;
    transition: background .2s;
    margin-bottom: 4px;
}

.sidebar ul li a:hover,
.sidebar ul li a.activo {
    background: #e8f4ff;
    color: #0f3460;
    font-weight: 600;
}

.sidebar ul li a.logout { color: #c0392b; }
.sidebar ul li a.logout:hover { background: #ffe0e0; }

.panel-content {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* ---- TABLA ADMIN ---- */
.tabla-admin {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}

.tabla-admin th {
    background: #1a1a2e;
    color: #fff;
    padding: 12px 14px;
    text-align: left;
}

.tabla-admin td {
    padding: 10px 14px;
    border-bottom: 1px solid #f0f0f0;
}

.tabla-admin tr:hover td { background: #f8f9fa; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: .78rem;
    font-weight: 600;
}

.badge-pendiente  { background: #fff3cd; color: #856404; }
.badge-confirmado { background: #d1e7dd; color: #0a5c36; }
.badge-recibido   { background: #cfe2ff; color: #084298; }
.badge-en_proceso { background: #fff3cd; color: #856404; }
.badge-listo      { background: #d1e7dd; color: #0a5c36; }
.badge-entregado  { background: #e2e3e5; color: #41464b; }
.badge-admin      { background: #0f3460; color: #fff; }
.badge-cliente    { background: #e8f4ff; color: #0f3460; }

.btn-sm {
    padding: 5px 12px;
    border-radius: 6px;
    font-size: .8rem;
    cursor: pointer;
    border: none;
    font-weight: 600;
    transition: opacity .2s;
}

.btn-sm:hover { opacity: .85; }
.btn-editar   { background: #0f3460; color: #fff; }
.btn-eliminar { background: #c0392b; color: #fff; }
.btn-agregar  {
    display: inline-block;
    background: #00d4ff;
    color: #1a1a2e;
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 700;
    font-size: .9rem;
    margin-bottom: 1.2rem;
    transition: background .2s;
}

.btn-agregar:hover { background: #00b8e0; }

/* ---- FOOTER ---- */
footer {
    background: #1a1a2e;
    color: #aaa;
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem;
    font-size: .88rem;
}

footer span { color: #00d4ff; }

/* ---- IMAGEN PLACEHOLDER ---- */
.img-placeholder {
    width: 100%;
    height: 170px;
    background: linear-gradient(135deg, #e8f4f8, #d0e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #9ab;
}