/**
 * Estilos del widget de chat
 */

/* Variables */
:root {
    --fou-primary: #1e40af;
    --fou-primary-dark: #1e3a8a;
    --fou-bg: #f8fafc;
    --fou-white: #ffffff;
    --fou-gray-100: #f1f5f9;
    --fou-gray-200: #e2e8f0;
    --fou-gray-300: #cbd5e1;
    --fou-gray-500: #64748b;
    --fou-gray-700: #334155;
    --fou-gray-900: #0f172a;
    --fou-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    --fou-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --fou-radius: 16px;
    --fou-radius-sm: 8px;
}

/* Reset para el widget */
.fou-widget,
.fou-widget * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Contenedor principal */
.fou-widget {
    position: fixed;
    z-index: 999999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

/* Position is set via inline styles from admin settings */
.fou-widget--bottom-right,
.fou-widget--bottom-left {
    /* bottom, right, left are set dynamically */
}

/* Botón toggle */
.fou-widget__toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fou-white);
    box-shadow: var(--fou-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.fou-widget__toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
}

.fou-widget__toggle:active {
    transform: scale(0.98);
}

.fou-widget__icon {
    width: 28px;
    height: 28px;
    transition: opacity 0.2s, transform 0.2s;
}

.fou-widget__icon--close {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg);
}

.fou-widget.open .fou-widget__icon--chat {
    opacity: 0;
    transform: rotate(90deg);
}

.fou-widget.open .fou-widget__icon--close {
    opacity: 1;
    transform: rotate(0);
}

/* Ventana del chat */
.fou-widget__window {
    position: absolute;
    bottom: 75px;
    width: 380px;
    height: 550px;
    max-height: calc(100vh - 100px);
    background: var(--fou-white);
    border-radius: var(--fou-radius);
    box-shadow: var(--fou-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}

.fou-widget--bottom-right .fou-widget__window {
    right: 0;
}

.fou-widget--bottom-left .fou-widget__window {
    left: 0;
}

.fou-widget.open .fou-widget__window {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Header */
.fou-widget__header {
    padding: 16px;
    color: var(--fou-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.fou-widget__header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.fou-widget__avatar {
    width: 40px;
    height: 40px;
    background: var(--fou-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 4px;
}

.fou-widget__avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.fou-widget__title {
    font-weight: 600;
    font-size: 15px;
}

.fou-widget__subtitle {
    font-size: 12px;
    opacity: 0.85;
}

.fou-widget__new-chat {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fou-white);
    transition: background 0.2s;
}

.fou-widget__new-chat:hover {
    background: rgba(255, 255, 255, 0.25);
}

.fou-widget__new-chat svg {
    width: 16px;
    height: 16px;
}

/* Área de mensajes */
.fou-widget__messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--fou-bg);
}

.fou-widget__messages::-webkit-scrollbar {
    width: 6px;
}

.fou-widget__messages::-webkit-scrollbar-track {
    background: transparent;
}

.fou-widget__messages::-webkit-scrollbar-thumb {
    background: var(--fou-gray-300);
    border-radius: 3px;
}

/* Mensajes */
.fou-message {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: var(--fou-radius-sm);
    word-wrap: break-word;
}

.fou-message--user {
    align-self: flex-end;
    background: var(--fou-primary);
    color: var(--fou-white);
    border-bottom-right-radius: 4px;
}

.fou-message--assistant {
    align-self: flex-start;
    background: var(--fou-white);
    color: var(--fou-gray-900);
    box-shadow: var(--fou-shadow-sm);
    border-bottom-left-radius: 4px;
}

/* Markdown en mensajes */
.fou-message p {
    margin: 0 0 8px 0;
}

.fou-message p:last-child {
    margin-bottom: 0;
}

.fou-message strong {
    font-weight: 600;
}

.fou-message em {
    font-style: italic;
}

.fou-message a {
    color: inherit;
    text-decoration: underline;
}

.fou-message--assistant a {
    color: var(--fou-primary);
}

.fou-message ul,
.fou-message ol {
    margin: 8px 0;
    padding-left: 20px;
}

.fou-message li {
    margin: 4px 0;
}

.fou-message h1,
.fou-message h2,
.fou-message h3 {
    font-weight: 600;
    margin: 12px 0 8px 0;
}

.fou-message h1 {
    font-size: 16px;
}

.fou-message h2 {
    font-size: 15px;
}

.fou-message h3 {
    font-size: 14px;
}

/* Indicador de escritura */
.fou-typing {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    background: var(--fou-white);
    border-radius: var(--fou-radius-sm);
    box-shadow: var(--fou-shadow-sm);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.fou-typing__dot {
    width: 8px;
    height: 8px;
    background: var(--fou-gray-500);
    border-radius: 50%;
    animation: fou-bounce 1.4s infinite ease-in-out both;
}

.fou-typing__dot:nth-child(1) {
    animation-delay: -0.32s;
}

.fou-typing__dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes fou-bounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Input */
.fou-widget__input-container {
    padding: 12px 16px;
    background: var(--fou-white);
    border-top: 1px solid var(--fou-gray-200);
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.fou-widget__input {
    flex: 1;
    border: 1px solid var(--fou-gray-300);
    border-radius: var(--fou-radius-sm);
    padding: 10px 14px;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    max-height: 120px;
    outline: none;
    transition: border-color 0.2s;
}

.fou-widget__input:focus {
    border-color: var(--fou-primary);
}

.fou-widget__input::placeholder {
    color: var(--fou-gray-500);
}

.fou-widget__send {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fou-white);
    flex-shrink: 0;
    transition: opacity 0.2s, transform 0.2s;
}

.fou-widget__send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fou-widget__send:not(:disabled):hover {
    transform: scale(1.05);
}

.fou-widget__send:not(:disabled):active {
    transform: scale(0.95);
}

.fou-widget__send svg {
    width: 18px;
    height: 18px;
}

/* Mensaje de error */
.fou-error {
    background: #fef2f2;
    color: #dc2626;
    padding: 10px 14px;
    border-radius: var(--fou-radius-sm);
    font-size: 13px;
    text-align: center;
}

/* Responsive - Mobile */
@media (max-width: 480px) {
    .fou-widget__window {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }

    .fou-widget--bottom-right .fou-widget__window,
    .fou-widget--bottom-left .fou-widget__window {
        right: 0;
        left: 0;
    }

    .fou-widget__toggle {
        width: 54px;
        height: 54px;
    }

    .fou-widget__icon {
        width: 24px;
        height: 24px;
    }
}