/* ============================================================================
 * CHAT WIDGET — Hunterstar AI Assistant
 * Matches portfolio dark theme: #050505 bg, #cc1111 accent, JetBrains Mono
 * ============================================================================ */

/* ── Toggle Button ─────────────────────────────────────────────────────────── */
.chat-widget-container {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    font-family: 'Inter', -apple-system, sans-serif;
}

.chat-widget-toggle {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: #cc1111;
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 1px rgba(204,17,17,.35), 0 8px 32px rgba(204,17,17,.28), 0 2px 8px rgba(0,0,0,.6);
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
    position: relative;
}

.chat-widget-toggle:hover {
    background: #e01414;
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(204,17,17,.5), 0 12px 40px rgba(204,17,17,.4), 0 4px 12px rgba(0,0,0,.7);
}

.chat-widget-toggle svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 220ms cubic-bezier(.34,1.56,.64,1);
}

.chat-widget-toggle.is-open svg {
    transform: rotate(90deg) scale(0.9);
}

/* Notification dot */
.chat-widget-toggle::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    border: 2px solid #050505;
}

/* ── Chat Window ────────────────────────────────────────────────────────────── */
.chat-window {
    position: absolute;
    bottom: 72px;
    right: 0;
    width: 360px;
    height: 520px;
    background: #0a0a0a;
    border: 1px solid rgba(204,17,17,.22);
    border-radius: 20px;
    box-shadow:
        0 0 0 1px rgba(255,255,255,.03) inset,
        0 24px 64px rgba(0,0,0,.8),
        0 0 40px rgba(204,17,17,.08);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    transition:
        opacity 250ms cubic-bezier(.4,0,.2,1),
        transform 300ms cubic-bezier(.34,1.2,.64,1);
    opacity: 0;
    transform: scale(0.88) translateY(16px);
    pointer-events: none;
}

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

/* ── Header ─────────────────────────────────────────────────────────────────── */
.chat-header {
    padding: 16px 18px;
    background: linear-gradient(135deg, #0f0f0f 0%, #111111 100%);
    border-bottom: 1px solid rgba(204,17,17,.18);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.chat-title-wrapper {
    display: flex;
    align-items: center;
    gap: 11px;
}

.chat-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    object-fit: cover;
    border: 1px solid rgba(204,17,17,.35);
}

/* Online indicator on avatar */
.chat-avatar-wrap::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: #4ade80;
    border-radius: 50%;
    border: 2px solid #0f0f0f;
}

.chat-identity { display: flex; flex-direction: column; gap: 1px; }

.chat-title {
    margin: 0;
    font-size: 13.5px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: .01em;
    line-height: 1.2;
}

.chat-subtitle {
    margin: 0;
    font-size: 11px;
    color: #505766;
    letter-spacing: .02em;
    font-family: 'JetBrains Mono', monospace;
}

.chat-header-actions { display: flex; gap: 6px; align-items: center; }

.chat-close {
    background: transparent;
    border: 1px solid rgba(255,255,255,.07);
    color: #505766;
    cursor: pointer;
    padding: 0;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 150ms ease, background 150ms ease, border-color 150ms ease;
}

.chat-close:hover {
    color: #ffffff;
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.15);
}

.chat-close svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    fill: none;
}

/* ── Messages ────────────────────────────────────────────────────────────────── */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
}

/* Scrollbar */
.chat-messages::-webkit-scrollbar { width: 3px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(204,17,17,.25); border-radius: 2px; }
.chat-messages::-webkit-scrollbar-thumb:hover { background: rgba(204,17,17,.5); }

/* Message bubbles */
.chat-message {
    max-width: 82%;
    padding: 10px 13px;
    border-radius: 14px;
    font-size: 13.5px;
    line-height: 1.6;
    word-break: break-word;
    animation: msgSlideIn 200ms ease forwards;
}

@keyframes msgSlideIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.chat-message.assistant {
    background: #111111;
    border: 1px solid rgba(255,255,255,.06);
    color: #d0d8e8;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,.3);
}

.chat-message.user {
    background: linear-gradient(135deg, #cc1111 0%, #a80e0e 100%);
    color: #ffffff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    box-shadow: 0 2px 12px rgba(204,17,17,.3);
    border: 1px solid rgba(255,255,255,.08);
}

/* ── Loading dots ─────────────────────────────────────────────────────────── */
.chat-loading {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 12px 14px;
    background: #111111;
    border: 1px solid rgba(255,255,255,.06);
    align-self: flex-start;
    border-radius: 14px;
    border-bottom-left-radius: 4px;
}

.chat-loading .dot {
    width: 5px;
    height: 5px;
    background: #cc1111;
    border-radius: 50%;
    animation: chatBounce 1.2s infinite ease-in-out both;
}

.chat-loading .dot:nth-child(1) { animation-delay: -0.32s; }
.chat-loading .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes chatBounce {
    0%, 80%, 100% { transform: scale(0.5); opacity: .4; }
    40% { transform: scale(1); opacity: 1; }
}

/* ── Input Area ──────────────────────────────────────────────────────────── */
.chat-input-container {
    padding: 12px 14px 16px;
    border-top: 1px solid rgba(255,255,255,.05);
    background: #0a0a0a;
    flex-shrink: 0;
}

.chat-form {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #111111;
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 14px;
    padding: 6px 6px 6px 14px;
    transition: border-color 180ms ease, box-shadow 180ms ease;
}

.chat-form:focus-within {
    border-color: rgba(204,17,17,.45);
    box-shadow: 0 0 0 3px rgba(204,17,17,.08);
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #e0e8f0;
    font-size: 13.5px;
    font-family: inherit;
    line-height: 1.5;
    padding: 4px 0;
    caret-color: #cc1111;
}

.chat-input::placeholder { color: #3a4050; }

.chat-submit {
    background: #cc1111;
    color: #fff;
    border: none;
    border-radius: 10px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 150ms ease, transform 150ms ease, box-shadow 150ms ease;
    box-shadow: 0 2px 8px rgba(204,17,17,.35);
}

.chat-submit:hover:not(:disabled) {
    background: #e01414;
    transform: scale(1.06);
    box-shadow: 0 4px 14px rgba(204,17,17,.5);
}

.chat-submit:disabled {
    background: #222222;
    box-shadow: none;
    cursor: not-allowed;
    opacity: .6;
}

.chat-submit svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ── Light theme override ─────────────────────────────────────────────────── */
[data-theme="light"] .chat-window {
    background: #f8f8f8;
    border-color: rgba(204,17,17,.18);
    box-shadow: 0 24px 64px rgba(0,0,0,.18), 0 0 40px rgba(204,17,17,.05);
}

[data-theme="light"] .chat-header {
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
    border-bottom-color: rgba(204,17,17,.12);
}

[data-theme="light"] .chat-avatar { border-color: rgba(204,17,17,.25); }
[data-theme="light"] .chat-avatar-wrap::after { border-color: #ffffff; }

[data-theme="light"] .chat-title   { color: #0a0a0a; }
[data-theme="light"] .chat-subtitle{ color: #888888; }
[data-theme="light"] .chat-close   { border-color: rgba(0,0,0,.08); color: #888; }
[data-theme="light"] .chat-close:hover { background: rgba(0,0,0,.05); border-color: rgba(0,0,0,.12); color: #222; }

[data-theme="light"] .chat-messages { }

[data-theme="light"] .chat-message.assistant {
    background: #ffffff;
    border-color: rgba(0,0,0,.07);
    color: #222222;
}

[data-theme="light"] .chat-loading {
    background: #ffffff;
    border-color: rgba(0,0,0,.07);
}

[data-theme="light"] .chat-input-container { background: #f8f8f8; border-top-color: rgba(0,0,0,.07); }
[data-theme="light"] .chat-form { background: #ffffff; border-color: rgba(0,0,0,.1); }
[data-theme="light"] .chat-input { color: #111111; }
[data-theme="light"] .chat-input::placeholder { color: #aaaaaa; }

/* ── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .chat-widget-container { bottom: 18px; right: 18px; }
    .chat-window {
        width: calc(100vw - 36px);
        height: 72vh;
        bottom: 68px;
    }
}