/* ==========================================================================
   CHAT — Floating chat widget
   ========================================================================== */

.chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}
.chat-toggle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,.25);
    transition: all .3s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.chat-toggle:hover { transform: scale(1.08); }

.chat-window {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 340px;
    height: 420px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 10px 50px rgba(0,0,0,.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
}
.chat-window.open { display: flex; }

.chat-header {
    background: var(--primary);
    color: #fff;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.chat-header h4 { font-size: .95rem; }
.chat-minimize {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 1.1rem;
}
.chat-messages {
    flex: 1;
    padding: 14px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.chat-msg {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: .88rem;
    line-height: 1.5;
}
.chat-msg.bot {
    background: var(--bg-alt);
    color: var(--text);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}
.chat-msg.user {
    background: var(--accent);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}
.chat-input {
    display: flex;
    border-top: 1px solid var(--border);
}
.chat-input input {
    flex: 1;
    border: none;
    padding: 12px 16px;
    font-size: .9rem;
}
.chat-input input:focus { outline: none; }
.chat-input button {
    background: var(--accent);
    border: none;
    padding: 12px 16px;
    color: #fff;
    cursor: pointer;
    transition: background .3s;
}
.chat-input button:hover { background: var(--accent-dark); }

@media (max-width: 400px) {
    .chat-window { width: 290px; height: 380px; }
}