/* ══════════════════════════════════════════
   public/css/chatbot.css
   Floating AI Chat Widget — Amour et Grâce
   ══════════════════════════════════════════ */

/* ── FAB (Floating Action Button) ── */
.chatbot-fab {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    cursor: pointer;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(230, 0, 0, 0.35);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chatbot-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(230, 0, 0, 0.5);
}

.chatbot-fab svg {
    width: 28px;
    height: 28px;
    fill: #fff;
    transition: transform 0.3s ease;
}

.chatbot-fab.open .chatbot-fab-icon-chat {
    display: none;
}

.chatbot-fab.open .chatbot-fab-icon-close {
    display: block;
}

.chatbot-fab:not(.open) .chatbot-fab-icon-chat {
    display: block;
}

.chatbot-fab:not(.open) .chatbot-fab-icon-close {
    display: none;
}

/* Pulse ring animation */
.chatbot-fab::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--primary-color);
    opacity: 0;
    z-index: -1;
    animation: chatbot-pulse 2.5s ease-out infinite;
}

.chatbot-fab.open::before {
    animation: none;
    opacity: 0;
}

@keyframes chatbot-pulse {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.7);
        opacity: 0;
    }
}

/* ── Chat Panel ── */
.chatbot-panel {
    position: fixed;
    bottom: 100px;
    right: 28px;
    width: 380px;
    max-height: 520px;
    background: var(--card-bg, #1C1C1C);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    z-index: 9999;
    overflow: hidden;

    /* Entry animation */
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.chatbot-panel.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* ── Header ── */
.chatbot-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    background: linear-gradient(135deg, var(--primary-dark, #b30000), var(--primary-color, #e60000));
    flex-shrink: 0;
}

.chatbot-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chatbot-avatar svg {
    width: 22px;
    height: 22px;
    fill: #fff;
}

.chatbot-header-info {
    flex: 1;
    min-width: 0;
}

.chatbot-header-title {
    font-family: var(--font-heading, 'Playfair Display', serif);
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.2;
}

.chatbot-header-subtitle {
    font-family: var(--font-body, 'Poppins', sans-serif);
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 2px;
}

/* ── Close Button (in header) ── */
.chatbot-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s ease;
}

.chatbot-close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.chatbot-close-btn svg {
    width: 16px;
    height: 16px;
    fill: #fff;
}

/* ── Messages Area ── */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 200px;
    max-height: 340px;
    background: var(--dark-bg, #000);
}

/* Custom scrollbar */
.chatbot-messages::-webkit-scrollbar {
    width: 5px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 10px;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ── Message Bubbles ── */
.chatbot-msg {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 16px;
    font-family: var(--font-body, 'Poppins', sans-serif);
    font-size: 0.85rem;
    line-height: 1.55;
    word-wrap: break-word;
    animation: chatbot-msg-in 0.3s ease-out;
}

@keyframes chatbot-msg-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* AI message (left) */
.chatbot-msg.ai {
    align-self: flex-start;
    background: var(--card-bg, #1C1C1C);
    color: rgba(255, 255, 255, 0.9);
    border-bottom-left-radius: 4px;
}

/* User message (right) */
.chatbot-msg.user {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--primary-color, #e60000), var(--accent-red-deep, #b50020));
    color: #fff;
    border-bottom-right-radius: 4px;
}

/* ── Typing Indicator ── */
.chatbot-typing {
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 16px;
    background: var(--card-bg, #1C1C1C);
    border-radius: 16px;
    border-bottom-left-radius: 4px;
}

.chatbot-typing-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    animation: chatbot-dot-bounce 1.4s ease-in-out infinite;
}

.chatbot-typing-dot:nth-child(2) {
    animation-delay: 0.15s;
}

.chatbot-typing-dot:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes chatbot-dot-bounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.35;
    }
    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* ── Rate Limit Banner ── */
.chatbot-rate-limit {
    display: none;
    padding: 10px 16px;
    background: rgba(212, 175, 55, 0.12);
    border-top: 1px solid rgba(212, 175, 55, 0.25);
    text-align: center;
    flex-shrink: 0;
}

.chatbot-rate-limit.visible {
    display: block;
}

.chatbot-rate-limit p {
    font-family: var(--font-body, 'Poppins', sans-serif);
    font-size: 0.75rem;
    color: var(--accent-gold, #d4af37);
    margin: 0;
    line-height: 1.4;
}

/* ── Input Area ── */
.chatbot-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: var(--card-bg, #1C1C1C);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.chatbot-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 10px 16px;
    font-family: var(--font-body, 'Poppins', sans-serif);
    font-size: 0.85rem;
    color: #fff;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.chatbot-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.chatbot-input:focus {
    border-color: rgba(230, 0, 0, 0.4);
    background: rgba(255, 255, 255, 0.08);
}

/* Disabled state */
.chatbot-input.disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: not-allowed;
}

.chatbot-send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color, #e60000), var(--primary-dark, #b30000));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.chatbot-send-btn:hover:not(.disabled) {
    transform: scale(1.08);
}

.chatbot-send-btn svg {
    width: 18px;
    height: 18px;
    fill: #fff;
}

/* Disabled send button */
.chatbot-send-btn.disabled {
    opacity: 0.35;
    pointer-events: none;
    cursor: not-allowed;
}

/* ── Welcome message styling ── */
.chatbot-welcome {
    text-align: center;
    padding: 8px 0;
}

.chatbot-welcome p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* ── Character count indicator ── */
.chatbot-char-count {
    font-family: var(--font-body, 'Poppins', sans-serif);
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.25);
    flex-shrink: 0;
    min-width: 36px;
    text-align: right;
    user-select: none;
    transition: color 0.2s ease;
}

.chatbot-char-count.warn {
    color: var(--accent-gold, #d4af37);
}

.chatbot-char-count.limit {
    color: var(--primary-color, #e60000);
}

/* ── Mobile Responsive ── */
@media (max-width: 480px) {
    .chatbot-panel {
        right: 0;
        bottom: 0;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        max-height: 100dvh;
        border-radius: 0;
        border: none;
    }

    .chatbot-panel.visible {
        transform: translateY(0) scale(1);
    }

    /* Show close button on mobile */
    .chatbot-close-btn {
        display: flex;
    }

    /* Hide FAB when panel is open on mobile */
    .chatbot-panel.visible ~ .chatbot-fab,
    .chatbot-fab.open {
        opacity: 0;
        pointer-events: none;
    }

    .chatbot-messages {
        flex: 1;
        max-height: none;
    }

    .chatbot-fab {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 768px) and (min-width: 481px) {
    .chatbot-panel {
        width: 340px;
        right: 16px;
        bottom: 94px;
    }

    /* Show close button on tablet too */
    .chatbot-close-btn {
        display: flex;
    }

    .chatbot-fab {
        bottom: 22px;
        right: 22px;
        width: 54px;
        height: 54px;
    }

    .chatbot-fab svg {
        width: 24px;
        height: 24px;
    }
}