/* ==========================
   CSS VARIABLES & RESET
========================== */

:root {
    --color-primary: #8B5E3C;
    --color-primary-dark: #6B4226;
    --color-primary-light: #A67C52;
    --color-accent: #C9956B;
    --color-bg: #FAF7F2;
    --color-surface: #FFFFFF;
    --color-text: #2D2016;
    --color-text-muted: #7A6B5D;
    --color-border: #E8DFD3;
    --color-danger: #C0392B;
    --color-danger-hover: #A93226;
    --color-success: #27AE60;
    --color-info: #2980B9;
    --shadow-sm: 0 1px 3px rgba(45,32,22,0.08);
    --shadow-md: 0 4px 12px rgba(45,32,22,0.1);
    --shadow-lg: 0 8px 30px rgba(45,32,22,0.12);
    --shadow-xl: 0 20px 60px rgba(45,32,22,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================
   HEADER
========================== */

header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.95);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-header {
    height: 48px;
    width: auto;
    transition: var(--transition);
}

.logo-header:hover {
    transform: scale(1.05);
}

header .tagline {
    font-size: 13px;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-weight: 500;
}

/* ==========================
   NAV
========================== */

nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0;
}

nav .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 0;
}

nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 14px 20px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

nav a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: rgba(139,94,60,0.04);
}

/* ==========================
   CONTENEDOR
========================== */

.contenedor {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
    flex: 1;
}

/* ==========================
   TITULOS
========================== */

.titulo {
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-primary-dark);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.titulo::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* ==========================
   PRESENTACION / HERO
========================== */

.presentacion {
    text-align: center;
    padding: 60px 20px;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: 50px;
    border: 1px solid var(--color-border);
}

.presentacion .hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(139,94,60,0.08);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.presentacion h2 {
    color: var(--color-primary-dark);
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.presentacion p {
    font-size: 17px;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-text-muted);
}

/* ==========================
   CATEGORIAS GRID
========================== */

.categorias,
.productos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.card h3 {
    padding: 20px 20px 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

.card p {
    padding: 0 20px 20px;
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.categoria-card {
    display: block;
    text-decoration: none;
    color: inherit;
}

.categoria-card h3 {
    text-align: center;
}

/* ==========================
   BOTON VOLVER
========================== */

.boton-volver {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding: 14px 28px;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.boton-volver:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================
   REDES / CONTACTO
========================== */

.redes {
    text-align: center;
    margin-top: 60px;
    padding: 50px 30px;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.redes h2 {
    color: var(--color-primary-dark);
    font-size: 24px;
    margin-bottom: 24px;
}

.redes .contacto-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.redes .contacto-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.redes .contacto-icon {
    width: 48px;
    height: 48px;
    background: rgba(139,94,60,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.redes .contacto-label {
    font-size: 13px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.redes a {
    color: var(--color-primary);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.redes a:hover {
    color: var(--color-primary-dark);
}

/* ==========================
   FOOTER
========================== */

footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 30px 24px;
    font-size: 13px;
    letter-spacing: 0.3px;
    margin-top: auto;
}

footer strong {
    color: white;
}

/* ==========================
   FORMS (shared)
========================== */

.form-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    max-width: 500px;
    width: 100%;
}

.form-card h2 {
    font-size: 20px;
    color: var(--color-primary-dark);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg);
    transition: var(--transition);
    outline: none;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139,94,60,0.1);
    background: white;
}

input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text-muted);
    background: var(--color-bg);
    cursor: pointer;
    transition: var(--transition);
}

input[type="file"]:hover {
    border-color: var(--color-primary);
    background: white;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237A6B5D' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

/* ==========================
   BUTTONS
========================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover {
    background: var(--color-danger-hover);
    transform: translateY(-1px);
}

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

.btn-info:hover {
    background: #2471A3;
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

/* ==========================
   ADMIN DASHBOARD
========================== */

.admin-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.admin-header h1 {
    font-size: 28px;
    color: var(--color-primary-dark);
    font-weight: 800;
}

.admin-header .admin-nav {
    display: flex;
    gap: 8px;
}

.admin-header .admin-nav a {
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    color: var(--color-text-muted);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
}

.admin-header .admin-nav a:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.admin-section {
    margin-bottom: 48px;
}

.admin-section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-section-title .badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
}

/* Admin items list */
.admin-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--color-surface);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.admin-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.admin-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.admin-item .item-info {
    flex: 1;
    min-width: 0;
}

.admin-item .item-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.admin-item .item-info p {
    font-size: 13px;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-item .item-info .item-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(139,94,60,0.08);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    margin-top: 6px;
}

.admin-item .item-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.admin-item .item-actions .btn {
    padding: 8px 14px;
    font-size: 12px;
}

/* Admin form card */
.admin-form-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    max-width: 500px;
}

.admin-form-card h3 {
    font-size: 16px;
    color: var(--color-text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

/* ==========================
   LOGIN PAGE
========================== */

.login-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    padding: 24px;
}

.login-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.login-card .login-logo {
    height: 60px;
    width: auto;
    margin-bottom: 12px;
}

.login-card .login-subtitle {
    font-size: 13px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-bottom: 32px;
}

.login-card h2 {
    font-size: 22px;
    color: var(--color-primary-dark);
    margin-bottom: 28px;
}

.login-card .form-group {
    text-align: left;
}

.login-card .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    margin-top: 8px;
}

/* ==========================
   EDITAR PAGE
========================== */

.editar-layout {
    max-width: 600px;
    margin: 0 auto;
}

.editar-header {
    margin-bottom: 32px;
}

.editar-header h2 {
    font-size: 24px;
    color: var(--color-primary-dark);
    font-weight: 700;
}

.editar-header p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.editar-form {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.editar-form .current-image {
    margin: 16px 0;
}

.editar-form .current-image img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
}

.editar-form .form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

/* ==========================
   EMPTY STATE
========================== */

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.empty-state p {
    font-size: 14px;
}

/* ==========================
   RESPONSIVE
========================== */

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 8px;
    }

    nav .nav-inner {
        justify-content: center;
    }

    .presentacion h2 {
        font-size: 28px;
    }

    .categorias,
    .productos {
        grid-template-columns: 1fr;
    }

    .admin-item {
        flex-direction: column;
        text-align: center;
    }

    .admin-item .item-actions {
        width: 100%;
        justify-content: center;
    }

    .admin-header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .redes .contacto-grid {
        flex-direction: column;
        gap: 24px;
    }

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