/* ============================================================
   Mueblería Danur - Reusable Components CSS
   ============================================================ */

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.btn:active::before {
    width: 200px;
    height: 200px;
}

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

.btn-primary:hover {
    background: var(--color-gold-dark);
    border-color: var(--color-gold-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201,169,110,0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-black);
    transform: translateY(-2px);
}

.btn-outline-dark {
    background: transparent;
    color: var(--color-black);
    border-color: var(--color-black);
}

.btn-outline-dark:hover {
    background: var(--color-black);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-outline-gold {
    background: transparent;
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-outline-gold:hover {
    background: var(--color-gold);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.btn-dark:hover {
    background: #2a2a2a;
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    /* 12px es el mínimo legible en móvil; antes 0.65rem = 10.4px. */
    font-size: 0.75rem;
}

.btn-lg {
    padding: 1.1rem 2.75rem;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    padding: 0.75rem;
    width: 44px;
    height: 44px;
}

/* ---- BADGE ---- */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 2px;
    line-height: 1;
}

.badge-gold {
    background: var(--color-gold);
    color: var(--color-white);
}

.badge-black {
    background: var(--color-black);
    color: var(--color-white);
}

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

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

.badge-warning {
    background: var(--color-warning);
    color: var(--color-white);
}

.badge-gray {
    background: var(--color-gray);
    color: var(--color-text-muted);
}

/* ---- CARD ---- */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray);
    padding: 2rem;
    transition: box-shadow 0.3s;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-gray);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-black);
}

.card-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray);
}

/* ---- MODAL ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,10,10,0.7);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.3s;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-gray);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-black);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--color-gray);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* ---- ALERT ---- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border-left: 4px solid;
    position: relative;
    animation: fadeInUp 0.3s ease;
}

.alert-success {
    background: rgba(45,125,70,0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-danger {
    background: rgba(192,57,43,0.1);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.alert-warning {
    background: rgba(214,137,16,0.1);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background: rgba(52,152,219,0.1);
    border-color: #3498db;
    color: #2980b9;
}

.alert-dismissible {
    padding-right: 3rem;
}

.alert-close {
    position: absolute;
    top: 0.5rem;
    right: 0.75rem;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.6;
    line-height: 1;
    transition: opacity 0.2s;
}

.alert-close:hover {
    opacity: 1;
}

/* ---- LOADER ---- */
.loader {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0,0,0,0.1);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.loader-lg {
    width: 48px;
    height: 48px;
    border-width: 4px;
}

.loader-white {
    border-color: rgba(255,255,255,0.3);
    border-top-color: var(--color-white);
}

.loader-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 9999;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---- TOAST NOTIFICATION ---- */
.toast-container {
    position: fixed;
    /* Elevado sobre el botón flotante de WhatsApp (56px de alto, anclado a
       1.5rem del borde inferior). Sin esto los avisos de "agregado al
       carrito" quedaban justo encima del botón. */
    bottom: calc(1.5rem + 56px + 0.75rem);
    right: 2rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 320px;
}

.toast {
    background: var(--color-black);
    color: var(--color-white);
    padding: 1rem 1.25rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    position: relative;
    overflow: hidden;
}

.toast::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--color-gold);
    animation: toastProgress 3s linear forwards;
}

.toast-success::after { background: var(--color-success); }
.toast-error::after { background: var(--color-danger); }

.toast-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

@keyframes slideInRight {
    from {
        transform: translateX(120%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

/* ---- IMAGE PLACEHOLDER ---- */
.img-placeholder {
    background: linear-gradient(135deg, var(--color-gray) 0%, #d0d0d0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

/* ---- SECTION DIVIDER ---- */
.divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-gray);
}

.divider-gold::before,
.divider-gold::after {
    background: var(--color-gold);
}

.divider-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* ---- STATS STRIP ---- */
.stats-strip {
    background: var(--color-black);
    color: var(--color-white);
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gold);
    display: block;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .toast-container {
        /* En móvil el toast ocupa todo el ancho, así que taparía el botón
           flotante si no se eleva por encima de él. El botón mantiene su
           anclaje de 1.5rem en todos los tamaños. */
        bottom: calc(1.5rem + 56px + 0.75rem);
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}