/* =========================================================================
   Chatbot Savoor — Widget Alfred & Claudette
   ========================================================================= */

:root {
    --chatbot-bg-panel: #1a1f2e;
    --chatbot-bg-message-assistant: #252b3d;
    --chatbot-bg-message-user: #e85d5d;
    --chatbot-text-primary: #e0e0e0;
    --chatbot-text-secondary: #9ca3af;
    --chatbot-border: #2d3548;
    --chatbot-accent-alfred: #6b7280;
    --chatbot-accent-claudette: #e85d5d;
    --chatbot-z-index: 9999;
    --chatbot-radius-panel: 16px;
    --chatbot-radius-message: 12px;
}

/* Bouton déclencheur dans le header (header-icon-btn) */
.header-icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 8px;
    color: inherit;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background-color 0.2s, transform 0.15s;
}
.header-icon-btn:hover {
    background-color: rgba(232, 93, 93, 0.12);
    transform: scale(1.05);
}
.header-icon-btn:focus-visible {
    outline: 2px solid var(--chatbot-accent-claudette);
    outline-offset: 2px;
}
.header-icon-btn .sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ========= Panneau principal ========= */
.chatbot-panel {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 400px;
    max-width: calc(100vw - 40px);
    height: 600px;
    max-height: calc(100vh - 80px);
    background: var(--chatbot-bg-panel);
    color: var(--chatbot-text-primary);
    border-radius: var(--chatbot-radius-panel);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    z-index: var(--chatbot-z-index);
    overflow: hidden;
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.chatbot-panel.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* ========= Header du panneau ========= */
.chatbot-header {
    padding: 14px 16px;
    background: linear-gradient(135deg, #1e2435 0%, #2a3148 100%);
    border-bottom: 1px solid var(--chatbot-border);
    flex-shrink: 0;
}
.chatbot-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.chatbot-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    color: var(--chatbot-text-primary);
}
.chatbot-close {
    background: none;
    border: none;
    color: var(--chatbot-text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background-color 0.2s, color 0.2s;
}
.chatbot-close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--chatbot-text-primary);
}

/* ========= Toggle personality ========= */
.chatbot-personality-toggle {
    display: flex;
    gap: 4px;
    background: rgba(0, 0, 0, 0.25);
    padding: 3px;
    border-radius: 10px;
}
.chatbot-personality-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--chatbot-text-secondary);
    padding: 6px 10px;
    border-radius: 7px;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 500;
    transition: all 0.2s;
}
.chatbot-personality-btn.is-active {
    background: var(--chatbot-border);
    color: var(--chatbot-text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.chatbot-personality-btn[data-personality="alfred"].is-active {
    background: var(--chatbot-accent-alfred);
    color: #fff;
}
.chatbot-personality-btn[data-personality="claudette"].is-active {
    background: var(--chatbot-accent-claudette);
    color: #fff;
}

/* ========= Zone messages ========= */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
}
.chatbot-messages::-webkit-scrollbar { width: 6px; }
.chatbot-messages::-webkit-scrollbar-track { background: transparent; }
.chatbot-messages::-webkit-scrollbar-thumb {
    background: var(--chatbot-border);
    border-radius: 3px;
}

.chatbot-message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: var(--chatbot-radius-message);
    font-size: 0.92rem;
    line-height: 1.5;
    word-wrap: break-word;
    animation: chatbot-fade-in 0.25s ease;
}
@keyframes chatbot-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.chatbot-message-user {
    align-self: flex-end;
    background: var(--chatbot-bg-message-user);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.chatbot-message-assistant {
    align-self: flex-start;
    background: var(--chatbot-bg-message-assistant);
    color: var(--chatbot-text-primary);
    border-bottom-left-radius: 4px;
}

.chatbot-message a.chatbot-link {
    color: #8ab4ff;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.chatbot-message a.chatbot-link:hover {
    color: #b3c8ff;
}
.chatbot-message strong { font-weight: 600; }

/* ========= Suggestions ========= */
.chatbot-suggestions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
    align-self: flex-start;
    max-width: 85%;
}
.chatbot-suggestion {
    text-align: left;
    background: rgba(139, 180, 255, 0.08);
    color: #8ab4ff;
    border: 1px solid rgba(139, 180, 255, 0.25);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.2s, border-color 0.2s;
}
.chatbot-suggestion:hover {
    background: rgba(139, 180, 255, 0.15);
    border-color: rgba(139, 180, 255, 0.5);
}

/* ========= Indicateur typing ========= */
.chatbot-typing {
    display: flex;
    gap: 4px;
    padding: 10px 14px;
    background: var(--chatbot-bg-message-assistant);
    border-radius: var(--chatbot-radius-message);
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    width: fit-content;
}
.chatbot-typing span {
    width: 7px; height: 7px;
    background: var(--chatbot-text-secondary);
    border-radius: 50%;
    animation: chatbot-bounce 1.2s infinite;
}
.chatbot-typing span:nth-child(2) { animation-delay: 0.15s; }
.chatbot-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes chatbot-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* ========= Zone saisie ========= */
.chatbot-input-area {
    padding: 12px 14px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--chatbot-border);
    flex-shrink: 0;
}
.chatbot-input-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}
.chatbot-textarea {
    flex: 1;
    background: var(--chatbot-bg-message-assistant);
    border: 1px solid var(--chatbot-border);
    color: var(--chatbot-text-primary);
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 0.92rem;
    font-family: inherit;
    line-height: 1.4;
    resize: none;
    min-height: 40px;
    max-height: 110px;
    outline: none;
    transition: border-color 0.2s;
}
.chatbot-textarea:focus {
    border-color: var(--chatbot-accent-claudette);
}
.chatbot-textarea::placeholder {
    color: var(--chatbot-text-secondary);
}
.chatbot-send-btn {
    background: var(--chatbot-accent-claudette);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    transition: background 0.2s, transform 0.1s;
}
.chatbot-send-btn:hover:not(:disabled) {
    background: #d44a4a;
}
.chatbot-send-btn:active:not(:disabled) {
    transform: scale(0.95);
}
.chatbot-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chatbot-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 0.72rem;
    color: var(--chatbot-text-secondary);
}
.chatbot-counter {
    font-variant-numeric: tabular-nums;
}

/* ========= Erreur ========= */
.chatbot-error {
    background: rgba(220, 53, 69, 0.15);
    border: 1px solid rgba(220, 53, 69, 0.4);
    color: #ff9ba3;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    align-self: stretch;
}

/* ========= Quand le chatbot est ouvert ========= */
body.chatbot-open .pwa-nav-bar {
    display: none !important;
}

/* ========= Mobile — breakpoint 768px ========= */
@media (max-width: 768px) {
    .chatbot-panel {
        right: 0;
        left: 0;
        bottom: 0;
        /* Laisse le header du site visible au-dessus (≈ 64px) */
        top: var(--chatbot-mobile-offset-top, 80px);
        width: 100vw;
        max-width: 100vw;
        height: auto;
        /* dvh = dynamic viewport height — gère mieux les barres d'adresse mobiles */
        max-height: calc(100dvh - var(--chatbot-mobile-offset-top, 80px));
        border-radius: 16px 16px 0 0;
    }
    .chatbot-input-area {
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }
}