/* ============================================================
   AI ChatBot SaaS — Frontend Chatbot Widget CSS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
    --aics-primary:      #6366f1;
    --aics-primary-dark: #4f46e5;
    --aics-surface:      #ffffff;
    --aics-bg:           #f8fafc;
    --aics-border:       #e2e8f0;
    --aics-text:         #1e293b;
    --aics-muted:        #64748b;
    --aics-bot-bubble:   #f1f5f9;
    --aics-user-bubble:  var(--aics-primary);
    --aics-shadow:       0 25px 60px rgba(0,0,0,0.18);
    --aics-radius:       18px;
    --aics-font:         'Inter', system-ui, sans-serif;
    --aics-z:            999999;
}

/* ── Root ─────────────────────────────────────────────────── */
#aics-chatbot-root {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--aics-z);
    font-family: var(--aics-font);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ── Launcher Button ──────────────────────────────────────── */
#aics-launcher {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--aics-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(99,102,241,0.45);
    transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1),
                box-shadow 0.3s ease;
    outline: none;
}

#aics-launcher:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 32px rgba(99,102,241,0.55);
}

#aics-launcher:focus-visible {
    outline: 3px solid var(--aics-primary);
    outline-offset: 3px;
}

#aics-launcher svg { width: 28px; height: 28px; transition: opacity 0.2s; }

/* Pulse ring */
.aics-pulse-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 3px solid var(--aics-primary);
    opacity: 0;
    animation: aics-pulse 2.5s infinite;
}

@keyframes aics-pulse {
    0%   { transform: scale(0.9); opacity: 0.8; }
    70%  { transform: scale(1.3); opacity: 0; }
    100% { transform: scale(0.9); opacity: 0; }
}

/* ── Chat Window ──────────────────────────────────────────── */
#aics-chat-window {
    position: absolute;
    bottom: 74px;
    right: 0;
    width: 360px;
    max-height: 520px;
    background: var(--aics-surface);
    border-radius: var(--aics-radius);
    box-shadow: var(--aics-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    transform: scale(0.92) translateY(12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1),
                opacity 0.25s ease;
}

#aics-chat-window.aics-open {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: all;
}

/* ── Header ───────────────────────────────────────────────── */
#aics-chat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--aics-primary) 0%, var(--aics-primary-dark) 100%);
    color: #fff;
    flex-shrink: 0;
}

.aics-bot-avatar {
    font-size: 22px;
    width: 38px; height: 38px;
    background: rgba(255,255,255,0.18);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.aics-header-info { flex: 1; min-width: 0; }
.aics-header-name { display: block; font-weight: 600; font-size: 15px; }
.aics-header-sub  {
    display: block;
    font-size: 11px;
    opacity: 0.82;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#aics-close-btn {
    background: rgba(255,255,255,0.15);
    border: none; border-radius: 50%;
    width: 28px; height: 28px;
    color: #fff; cursor: pointer;
    font-size: 14px; display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
}
#aics-close-btn:hover { background: rgba(255,255,255,0.28); }

/* ── Lead Form ────────────────────────────────────────────── */
#aics-lead-form {
    padding: 16px;
    background: var(--aics-bg);
    border-bottom: 1px solid var(--aics-border);
}
#aics-lead-form p { margin: 0 0 10px; color: var(--aics-muted); font-size: 13px; }
.aics-lead-input {
    width: 100%; padding: 8px 12px; margin-bottom: 8px;
    border: 1.5px solid var(--aics-border); border-radius: 8px;
    font-size: 14px; font-family: var(--aics-font);
    outline: none; transition: border 0.2s;
    box-sizing: border-box;
}
.aics-lead-input:focus { border-color: var(--aics-primary); }
.aics-start-btn {
    width: 100%; padding: 10px;
    background: var(--aics-primary); color: #fff;
    border: none; border-radius: 8px; cursor: pointer;
    font-size: 14px; font-weight: 500; transition: background 0.2s;
}
.aics-start-btn:hover { background: var(--aics-primary-dark); }

/* ── Messages ─────────────────────────────────────────────── */
#aics-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
}

#aics-messages::-webkit-scrollbar { width: 4px; }
#aics-messages::-webkit-scrollbar-track { background: transparent; }
#aics-messages::-webkit-scrollbar-thumb { background: var(--aics-border); border-radius: 2px; }

.aics-msg {
    display: flex;
    align-items: flex-end;
    gap: 7px;
    animation: aics-msg-in 0.28s ease-out;
}

@keyframes aics-msg-in {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.aics-msg-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--aics-bg);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; flex-shrink: 0;
}

.aics-msg-bubble {
    max-width: 78%;
    padding: 9px 13px;
    border-radius: 14px;
    line-height: 1.5;
    word-break: break-word;
    font-size: 13.5px;
}

/* Bot messages */
.aics-bot .aics-msg-bubble {
    background: var(--aics-bot-bubble);
    color: var(--aics-text);
    border-bottom-left-radius: 4px;
}

/* User messages */
.aics-user {
    flex-direction: row-reverse;
}
.aics-user .aics-msg-bubble {
    background: var(--aics-user-bubble);
    color: #fff;
    border-bottom-right-radius: 4px;
    margin-left: auto;
}
.aics-user .aics-msg-avatar { display: none; }

/* System / error messages */
.aics-system .aics-msg-bubble {
    background: #fef3c7;
    color: #92400e;
    font-size: 12.5px;
    border-radius: 8px;
    margin: 0 auto;
    text-align: center;
}

/* ── Typing Indicator ─────────────────────────────────────── */
#aics-typing {
    padding: 0 16px 10px;
}

.aics-typing-dots {
    display: inline-flex; align-items: center; gap: 4px;
    background: var(--aics-bot-bubble);
    padding: 8px 13px; border-radius: 14px;
    border-bottom-left-radius: 4px;
}

.aics-typing-dots span {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--aics-muted);
    animation: aics-bounce 1.2s infinite;
}
.aics-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.aics-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes aics-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30%            { transform: translateY(-6px); }
}

/* ── Input Area ───────────────────────────────────────────── */
#aics-input-area {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 14px;
    border-top: 1px solid var(--aics-border);
    background: var(--aics-surface);
    flex-shrink: 0;
}

#aics-user-input {
    flex: 1;
    padding: 9px 13px;
    border: 1.5px solid var(--aics-border);
    border-radius: 22px;
    font-size: 14px;
    font-family: var(--aics-font);
    outline: none;
    transition: border 0.2s;
    background: var(--aics-bg);
    color: var(--aics-text);
}
#aics-user-input:focus { border-color: var(--aics-primary); }
#aics-user-input:disabled { opacity: 0.5; cursor: not-allowed; }

#aics-send-btn {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--aics-primary);
    border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: #fff; transition: background 0.2s, transform 0.15s;
    flex-shrink: 0;
}
#aics-send-btn:hover  { background: var(--aics-primary-dark); transform: scale(1.08); }
#aics-send-btn:active { transform: scale(0.95); }
#aics-send-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
#aics-send-btn svg { width: 17px; height: 17px; }

/* ── Footer ───────────────────────────────────────────────── */
#aics-footer {
    text-align: center;
    padding: 5px;
    font-size: 10.5px;
    color: var(--aics-muted);
    border-top: 1px solid var(--aics-border);
    letter-spacing: 0.02em;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 420px) {
    #aics-chatbot-root { bottom: 16px; right: 16px; }
    #aics-chat-window  { width: calc(100vw - 32px); bottom: 68px; }
}