/* ==========================================================================
   WACA Frontend Chat Widget
   ========================================================================== */
:root {
	--waca-w-primary: #6C5CE7;
	--waca-w-primary-dark: #5541D7;
	--waca-w-accent: #00CEC9;
	--waca-w-bg: #FFFFFF;
	--waca-w-bg-muted: #F0F1F3;
	--waca-w-text: #2D3436;
	--waca-w-text-light: #636E72;
	--waca-w-border: #DFE6E9;
	--waca-w-radius: 16px;
	--waca-w-shadow: 0 8px 32px rgba(0,0,0,0.15);
	--waca-w-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Trigger Button */
.waca-trigger { position: fixed; bottom: 24px; right: 24px; width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, var(--waca-w-primary) 0%, var(--waca-w-primary-dark) 100%); color: #fff; border: none; cursor: pointer; box-shadow: 0 4px 16px rgba(108,92,231,0.4); z-index: 99998; display: flex; align-items: center; justify-content: center; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.waca-trigger:hover { transform: scale(1.08); box-shadow: 0 6px 24px rgba(108,92,231,0.5); }
.waca-trigger__icon { pointer-events: none; }
.waca-trigger__badge { position: absolute; top: -2px; right: -2px; width: 14px; height: 14px; border-radius: 50%; background: #E17055; border: 2px solid #fff; }
.waca-widget--left .waca-trigger { right: auto; left: 24px; }

/* Chat Window */
.waca-window { position: fixed; bottom: 96px; right: 24px; width: 380px; max-height: 580px; background: var(--waca-w-bg); border-radius: var(--waca-w-radius); box-shadow: var(--waca-w-shadow); z-index: 99999; display: flex; flex-direction: column; overflow: hidden; font-family: var(--waca-w-font); animation: waca-widgetOpen 0.35s ease; }
@keyframes waca-widgetOpen { from { opacity: 0; transform: translateY(16px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }
.waca-widget--left .waca-window { right: auto; left: 24px; }

/* Header */
.waca-window__header { background: linear-gradient(135deg, var(--waca-w-primary), var(--waca-w-primary-dark)); color: #fff; padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; }
.waca-header__info { display: flex; align-items: center; gap: 12px; }
.waca-header__avatar { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.waca-header__text strong { display: block; font-size: 15px; }
.waca-header__text small { font-size: 12px; opacity: 0.8; }
.waca-header__actions { display: flex; gap: 4px; }
.waca-header__btn { background: rgba(255,255,255,0.15); border: none; color: #fff; width: 32px; height: 32px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
.waca-header__btn:hover { background: rgba(255,255,255,0.3); }

/* Messages Area */
.waca-window__messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; min-height: 200px; max-height: 380px; scroll-behavior: smooth; }

/* Message Bubbles */
.waca-msg { max-width: 85%; animation: waca-msgIn 0.3s ease; }
@keyframes waca-msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.waca-msg--bot { align-self: flex-start; }
.waca-msg--user { align-self: flex-end; }
.waca-msg__bubble { padding: 12px 16px; border-radius: 14px; font-size: 14px; line-height: 1.5; word-wrap: break-word; }
.waca-msg--bot .waca-msg__bubble { background: var(--waca-w-bg-muted); color: var(--waca-w-text); border-bottom-left-radius: 4px; }
.waca-msg--user .waca-msg__bubble { background: linear-gradient(135deg, var(--waca-w-primary), var(--waca-w-primary-dark)); color: #fff; border-bottom-right-radius: 4px; }

/* Typing Indicator */
.waca-typing { display: flex; gap: 4px; padding: 12px 16px; }
.waca-typing__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--waca-w-border); animation: waca-typingBounce 1.2s ease infinite; }
.waca-typing__dot:nth-child(2) { animation-delay: 0.2s; }
.waca-typing__dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes waca-typingBounce { 0%, 80%, 100% { transform: translateY(0); background: var(--waca-w-border); } 40% { transform: translateY(-6px); background: var(--waca-w-primary); } }

/* Product Cards */
.waca-products { display: flex; gap: 10px; overflow-x: auto; padding: 4px 0 8px; scroll-snap-type: x mandatory; }
.waca-product-card { min-width: 160px; max-width: 160px; background: var(--waca-w-bg); border: 1px solid var(--waca-w-border); border-radius: 12px; overflow: hidden; flex-shrink: 0; scroll-snap-align: start; transition: box-shadow 0.2s; }
.waca-product-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.waca-product-card__image { width: 100%; height: 100px; object-fit: cover; background: var(--waca-w-bg-muted); }
.waca-product-card__body { padding: 10px; }
.waca-product-card__name { font-size: 13px; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.3; margin-bottom: 4px; }
.waca-product-card__price { font-size: 14px; font-weight: 700; color: var(--waca-w-primary); }
.waca-product-card__atc { width: 100%; padding: 8px; border: none; background: var(--waca-w-primary); color: #fff; font-size: 12px; font-weight: 600; cursor: pointer; border-radius: 0 0 12px 12px; transition: background 0.2s; font-family: var(--waca-w-font); }
.waca-product-card__atc:hover { background: var(--waca-w-primary-dark); }

/* Quick Replies */
.waca-window__quick-replies { padding: 8px 16px 12px; display: flex; gap: 8px; overflow-x: auto; flex-shrink: 0; border-top: 1px solid var(--waca-w-border); }
.waca-quick-reply { padding: 8px 16px; border: 1.5px solid var(--waca-w-primary); border-radius: 20px; background: transparent; color: var(--waca-w-primary); font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap; transition: all 0.2s; font-family: var(--waca-w-font); flex-shrink: 0; }
.waca-quick-reply:hover { background: var(--waca-w-primary); color: #fff; }

/* Text Input */
.waca-window__input { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--waca-w-border); flex-shrink: 0; }
.waca-window__input input { flex: 1; border: 1px solid var(--waca-w-border); border-radius: 20px; padding: 10px 16px; font-size: 14px; font-family: var(--waca-w-font); outline: none; transition: border-color 0.2s; }
.waca-window__input input:focus { border-color: var(--waca-w-primary); }
.waca-input__send { width: 38px; height: 38px; border-radius: 50%; background: var(--waca-w-primary); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background 0.2s, transform 0.2s; }
.waca-input__send:hover { background: var(--waca-w-primary-dark); transform: scale(1.05); }

/* Cart Bar */
.waca-window__cart-bar { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--waca-w-bg-muted); border-top: 1px solid var(--waca-w-border); flex-shrink: 0; }
.waca-cart__count { font-size: 13px; color: var(--waca-w-text-light); }
.waca-cart__total { font-size: 15px; font-weight: 700; color: var(--waca-w-text); }
.waca-cart__checkout-btn { padding: 8px 18px; background: var(--waca-w-accent); color: #fff; border: none; border-radius: 20px; font-size: 13px; font-weight: 600; cursor: pointer; transition: background 0.2s; font-family: var(--waca-w-font); }
.waca-cart__checkout-btn:hover { background: #00b5b0; }

/* Checkout Buttons in Messages */
.waca-checkout-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.waca-checkout-actions .waca-btn-checkout { padding: 12px; border: none; border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; text-align: center; transition: all 0.2s; font-family: var(--waca-w-font); }
.waca-btn-checkout--primary { background: var(--waca-w-primary); color: #fff; }
.waca-btn-checkout--primary:hover { background: var(--waca-w-primary-dark); }
.waca-btn-checkout--whatsapp { background: #25D366; color: #fff; }
.waca-btn-checkout--whatsapp:hover { background: #20bd5a; }

/* Cart Summary in Messages */
.waca-cart-summary { background: var(--waca-w-bg-muted); border-radius: 10px; padding: 12px; margin-top: 8px; font-size: 13px; }
.waca-cart-summary__item { display: flex; justify-content: space-between; padding: 4px 0; }
.waca-cart-summary__total { display: flex; justify-content: space-between; padding: 8px 0 0; border-top: 1px solid var(--waca-w-border); font-weight: 700; margin-top: 4px; }

/* Mobile */
@media (max-width: 480px) {
	.waca-window { width: calc(100vw - 16px); right: 8px; bottom: 8px; max-height: calc(100vh - 80px); border-radius: 16px; }
	.waca-trigger { bottom: 16px; right: 16px; width: 54px; height: 54px; }
	.waca-widget--left .waca-window { left: 8px; }
	.waca-widget--left .waca-trigger { left: 16px; }
}