/* ==========================================================================
   Chatbot UI Modernisé - Trainizer
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables & Globales
   -------------------------------------------------------------------------- */
:root {
    /* Palette dégradé Logo Trainizer */
    --ai-gradient-start: #1b49b6;  /* Bleu profond */
    --ai-gradient-mid:   #25b8a5;  /* Turquoise / Cyan */
    --ai-gradient-end:   #eab308;  /* Jaune / Doré */
    
    --ai-gradient: linear-gradient(135deg, var(--ai-gradient-start), var(--ai-gradient-mid), var(--ai-gradient-end));
}

/* --------------------------------------------------------------------------
   2. Structure Principale & États
   -------------------------------------------------------------------------- */
#chatbot.main-card {
    position: fixed;
    right: 0;
    bottom: 50px;
    z-index: 1054;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: calc(100% - 170px);
    margin: 0;
    overflow: hidden;
    background: var(--coul-ternaire);
    color: var(--coul-foncee);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px 16px 0 0;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 450px) {
    #chatbot.main-card {
        width: 380px;
        height: calc(100% - 90px) !important; /* Marge sous la navbar */
        max-height: 580px;
        margin: 16px !important;
        border-radius: 16px;
    }
}

[data-theme="dark"] #chatbot.main-card {
    background: #18191a !important;
    color: #e4e6eb !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

/* Etat rétracté (Floating Action Button) */
#chatbot.collapsed {
    width: 52px !important;
    height: 52px !important;
    margin: 20px !important;
    overflow: hidden !important;
    border-radius: 26px !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

#chatbot.collapsed .main-title,
#chatbot.collapsed .chat-area,
#chatbot.collapsed .ai-disclaimer,
#chatbot.collapsed .line,
#chatbot.collapsed .input-div {
    display: none !important;
}

/* --------------------------------------------------------------------------
   3. En-tête & Bouton de fermeture
   -------------------------------------------------------------------------- */
#chatbot .main-title {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    padding: 0 52px 0 16px;
    background-color: var(--coul-principale);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 1rem;
    font-weight: 600;
}

#chatbot .main-title span {
    color: #ffffff !important;
    letter-spacing: 0.3px;
}

/* Bouton principal (Positionné en haut à droite du header) */
#chatbot_toggle {
    position: absolute !important;
    top: 6px !important;
    right: 6px !important;
    z-index: 9999 !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    color: #ffffff !important;
    border: none;
    cursor: pointer;
    transform: none !important;
}

#chatbot_toggle i {
    font-size: 1.25rem;
    color: #ffffff !important;
}

/* Quand le chatbot est replié (FAB circulaire bas-droite) */
#chatbot.collapsed #chatbot_toggle {
    top: 0 !important;
    right: 0 !important;
    width: 52px !important;
    height: 52px !important;
    background: var(--coul-principale) !important;
    border-radius: 50% !important;
}

#chatbot.collapsed #chatbot_toggle i {
    color: var(--coul-ternaire) !important;
}

/* --------------------------------------------------------------------------
   4. Zone de Discussion & Messages
   -------------------------------------------------------------------------- */
#chatbot .chat-area {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 12px;
    padding: 16px;
    overflow-y: auto;
    background-color: var(--coul-ternaire);
    scroll-behavior: smooth;
}

[data-theme="dark"] #chatbot .chat-area {
    background-color: #121212 !important;
}

#chatbot .chat-message-div {
    display: flex;
    width: 100%;
}

#chatbot .chat-message-sent {
    max-width: 82%;
    margin: 4px 0 4px auto;
    padding: 10px 14px;
    background-color: var(--coul-principale);
    color: #ffffff;
    border-radius: 16px 16px 4px 16px;
    font-size: 0.9rem;
    line-height: 1.4;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    animation: fadeIn 150ms ease-out;
}

#chatbot .chat-message-received {
    max-width: 85%;
    margin: 4px auto 4px 0;
    padding: 10px 14px;
    background-color: #f0f2f5;
    color: #212529;
    border-radius: 16px 16px 16px 4px;
    font-size: 0.9rem;
    line-height: 1.45;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    animation: fadeIn 150ms ease-out;
}

[data-theme="dark"] #chatbot .chat-message-received {
    background-color: #242526 !important;
    color: #e4e6eb !important;
}

/* --------------------------------------------------------------------------
   5. Mode IA, Animation Loading & Rendu Code
   -------------------------------------------------------------------------- */
#chatbot .chat-message-received.ia {
    position: relative;
    background: linear-gradient(#f0f2f5, #f0f2f5) padding-box,
                var(--ai-gradient) border-box !important;
    border: 2px solid transparent !important;
}

[data-theme="dark"] #chatbot .chat-message-received.ia {
    background: linear-gradient(#242526, #242526) padding-box,
                var(--ai-gradient) border-box !important;
}

/* Loader IA (Typing) */
#chatbot .chat-message-received.ia.typing {
    display: flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    min-height: 42px;
    padding: 12px 18px;
}

#chatbot .ai-loading-dots {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

#chatbot .ai-loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: aiBounce 1.4s infinite ease-in-out both;
}

#chatbot .ai-loading-dots span:nth-child(1) {
    background-color: var(--ai-gradient-start);
    animation-delay: -0.32s;
}

#chatbot .ai-loading-dots span:nth-child(2) {
    background-color: var(--ai-gradient-mid);
    animation-delay: -0.16s;
}

#chatbot .ai-loading-dots span:nth-child(3) {
    background-color: var(--ai-gradient-end);
    animation-delay: 0s;
}

@keyframes aiBounce {
    0%, 80%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    40% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* Code dans la réponse IA */
#chatbot .chat-message-received.ia pre {
    margin: 8px 0;
    padding: 10px;
    overflow-x: auto;
    background-color: #1e1e2e;
    color: #f8f8f2;
    border-radius: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
}

#chatbot .chat-message-received.ia code {
    padding: 2px 5px;
    background-color: rgba(0, 0, 0, 0.06);
    border-radius: 4px;
}

/* Disclaimer IA */
#chatbot .ai-disclaimer {
    padding: 6px 12px;
    background-color: transparent;
    font-size: 0.73rem;
    line-height: 1.2;
    opacity: 0.75;
    user-select: none;
}

[data-theme="dark"] #chatbot .ai-disclaimer {
    color: #a0a6b0 !important;
}

/* --------------------------------------------------------------------------
   6. Formulaire, Saisie & Boutons
   -------------------------------------------------------------------------- */
#chatbot .input-div {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--coul-ternaire);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] #chatbot .input-div {
    background: #18191a;
    border-top-color: rgba(255, 255, 255, 0.06);
}

#chatbot .input-message {
    flex-grow: 1;
    height: 40px;
    padding: 0 14px;
    background: #f8f9fa;
    color: inherit;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    font-size: 0.88rem;
    outline: none;
    transition: all 0.2s ease;
}

[data-theme="dark"] #chatbot .input-message {
    background: #242526;
    border-color: rgba(255, 255, 255, 0.15);
}

#chatbot .input-message:focus {
    border-color: var(--coul-principale);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

/* Input Focus Mode IA */
#chatbot .input-message.ai-enabled {
    background: linear-gradient(#f8f9fa, #f8f9fa) padding-box,
                var(--ai-gradient) border-box !important;
    border: 2px solid transparent !important;
}

[data-theme="dark"] #chatbot .input-message.ai-enabled {
    background: linear-gradient(#242526, #242526) padding-box,
                var(--ai-gradient) border-box !important;
}

/* Boutons d'action */
#chatbot .input-send,
#chatbot .input-activate-ia {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: transparent;
    color: var(--coul-principale);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

#chatbot .input-send:hover,
#chatbot .input-activate-ia:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] #chatbot .input-send:hover,
[data-theme="dark"] #chatbot .input-activate-ia:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

#chatbot .input-activate-ia.active {
    background: rgba(37, 184, 165, 0.12);
    color: var(--ai-gradient-mid);
}

#chatbot .input-activate-ia:disabled {
    cursor: not-allowed;
    opacity: 0.35;
}

#chatbot .input-send svg,
#chatbot .input-activate-ia svg {
    margin: 0 !important;
}

/* --------------------------------------------------------------------------
   7. Utilitaires & Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
    from {
        transform: translateY(4px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

#chatbot .chat-area::-webkit-scrollbar {
    width: 6px;
}

#chatbot .chat-area::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}

[data-theme="dark"] #chatbot .chat-area::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
}