/* ============================================================
   SRTN — AI Chat widget + full-page assistant
   Uses dashboard.css CSS variables where available, with
   local fallbacks so it works on pages without them too.
   ============================================================ */

.srtn-ai-chat-root {
    --ai-accent: #7c3aed;
    --ai-accent-dark: #6d28d9;
    --ai-accent-glow: rgba(124, 58, 237, 0.18);
    --ai-bg: #ffffff;
    --ai-bg-soft: #f5f6fa;
    --ai-bg-darkest: #f0f2f7;
    --ai-border: #e0e3ed;
    --ai-text: #1a1d2e;
    --ai-text-2: #5a5f78;
    --ai-muted: #9098b0;
    --ai-user-bubble: #7c3aed;
    --ai-user-text: #ffffff;
    --ai-ai-bubble: #f5f6fa;
    --ai-ai-text: #1a1d2e;
    --ai-danger: #ef4444;
    --ai-success: #10b981;
    --ai-radius: 14px;
    --ai-shadow: 0 12px 40px rgba(20, 20, 60, 0.18);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ai-text);
    box-sizing: border-box;
}

.srtn-ai-chat-root *,
.srtn-ai-chat-root *::before,
.srtn-ai-chat-root *::after { box-sizing: border-box; }

/* ── Floating bubble ─────────────────────────────────────── */
.srtn-ai-bubble {
    position: fixed;
    right: 16px;
    bottom: 16px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ai-accent), var(--ai-accent-dark));
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px var(--ai-accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    z-index: 9998;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.srtn-ai-bubble:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 12px 32px var(--ai-accent-glow); }
.srtn-ai-bubble.is-open { transform: scale(0.6); opacity: 0; pointer-events: none; }

.srtn-ai-bubble .srtn-ai-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--ai-danger);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    display: none;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
}
.srtn-ai-bubble .srtn-ai-badge.is-visible { display: flex; }

/* ── Proactive nudge tooltip ─────────────────────────────── */
.srtn-ai-nudge {
    position: fixed;
    right: 16px;
    bottom: 88px;
    max-width: calc(100vw - 32px);
    background: var(--ai-bg);
    border: 1px solid var(--ai-border);
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(20, 20, 60, 0.16);
    padding: 12px 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    z-index: 9997;
    opacity: 0;
    transform: translateY(12px) scale(0.96);
    transition: opacity 0.22s ease, transform 0.22s ease;
    pointer-events: none;
}
.srtn-ai-nudge.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}
.srtn-ai-nudge-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.srtn-ai-nudge-body { flex: 1; min-width: 0; }
.srtn-ai-nudge-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--ai-text);
    line-height: 1.2;
    margin-bottom: 2px;
}
.srtn-ai-nudge-text {
    font-size: 13px;
    line-height: 1.4;
    color: var(--ai-text-2);
}
.srtn-ai-nudge-close {
    background: transparent;
    border: none;
    color: var(--ai-muted);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 4px;
    border-radius: 6px;
    flex-shrink: 0;
    line-height: 1;
}
.srtn-ai-nudge-close:hover { color: var(--ai-text); background: var(--ai-bg-soft); }
/* Small pointer tail toward the bubble */
.srtn-ai-nudge::after {
    content: "";
    position: absolute;
    right: 14px;
    bottom: -7px;
    width: 14px;
    height: 14px;
    background: var(--ai-bg);
    border-right: 1px solid var(--ai-border);
    border-bottom: 1px solid var(--ai-border);
    transform: rotate(45deg);
}

.srtn-ai-bubble-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--ai-accent);
    opacity: 0.35;
    animation: srtn-ai-pulse 2.4s ease-out infinite;
    z-index: -1;
}
@keyframes srtn-ai-pulse {
    0%   { transform: scale(1);   opacity: 0.35; }
    70%  { transform: scale(1.8); opacity: 0; }
    100% { transform: scale(1.8); opacity: 0; }
}

/* ── Widget panel — full-screen on mobile, floating at ≥481px ── */
.srtn-ai-panel {
    position: fixed;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    background: var(--ai-bg);
    border: none;
    border-radius: 0;
    box-shadow: var(--ai-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
    transform: translateY(20px) scale(0.96);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.22s ease, opacity 0.22s ease;
}
.srtn-ai-panel.is-open { transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }

/* ── Page mode (full-page assistant) ─────────────────────── */
.srtn-ai-chat-root.is-page .srtn-ai-panel {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: 900px;
    height: calc(100vh - 160px);
    min-height: 520px;
    max-height: none;
    margin: 0 auto;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    z-index: 1;
}
.srtn-ai-chat-root.is-page .srtn-ai-bubble { display: none; }

/* ── Panel header ────────────────────────────────────────── */
.srtn-ai-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--ai-accent), var(--ai-accent-dark));
    color: #fff;
    flex-shrink: 0;
}
.srtn-ai-header .srtn-ai-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    overflow: hidden;
}
.srtn-ai-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 50%;
}
.srtn-ai-avatar-img-bubble {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}
.srtn-ai-avatar-img-welcome {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
}
.srtn-ai-header .srtn-ai-titles { flex: 1; min-width: 0; }
.srtn-ai-header .srtn-ai-title { font-size: 15px; font-weight: 700; line-height: 1.2; }
.srtn-ai-header .srtn-ai-sub {
    font-size: 11px;
    opacity: 0.85;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 2px;
}
.srtn-ai-header .srtn-ai-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: #4ade80; box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
    animation: srtn-ai-live 2s infinite;
}
.srtn-ai-header .srtn-ai-dot.is-busy { background: #fbbf24; }
@keyframes srtn-ai-live {
    0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.55); }
    70%  { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}
.srtn-ai-header .srtn-ai-actions { display: flex; gap: 4px; }
.srtn-ai-header .srtn-ai-icon-btn {
    width: 30px; height: 30px;
    border: none; background: rgba(255, 255, 255, 0.15);
    color: #fff; border-radius: 8px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; transition: background 0.15s ease;
}
.srtn-ai-header .srtn-ai-icon-btn:hover { background: rgba(255, 255, 255, 0.28); }

/* ── Messages area ───────────────────────────────────────── */
.srtn-ai-messages {
    flex: 1;
    overflow-y: auto;
    padding: 18px 16px;
    background: var(--ai-bg-soft);
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}
.srtn-ai-messages::-webkit-scrollbar { width: 8px; }
.srtn-ai-messages::-webkit-scrollbar-thumb { background: var(--ai-border); border-radius: 4px; }

.srtn-ai-msg { display: flex; flex-direction: column; max-width: 88%; }
.srtn-ai-msg.is-user { align-self: flex-end; align-items: flex-end; }
.srtn-ai-msg.is-ai   { align-self: flex-start; align-items: flex-start; }

.srtn-ai-bubble-msg {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: anywhere;
}
.srtn-ai-msg.is-user .srtn-ai-bubble-msg {
    background: var(--ai-user-bubble);
    color: var(--ai-user-text);
    border-bottom-right-radius: 4px;
}
.srtn-ai-msg.is-ai .srtn-ai-bubble-msg {
    background: var(--ai-bg);
    color: var(--ai-ai-text);
    border: 1px solid var(--ai-border);
    border-bottom-left-radius: 4px;
}
.srtn-ai-msg-meta {
    font-size: 10px;
    color: var(--ai-muted);
    margin-top: 4px;
    padding: 0 4px;
}

/* ── Markdown rendering inside AI bubbles ────────────────── */
.srtn-ai-md p { margin: 0 0 8px; }
.srtn-ai-md p:last-child { margin-bottom: 0; }
.srtn-ai-md ul, .srtn-ai-md ol { margin: 6px 0 8px; padding-left: 20px; }
.srtn-ai-md li { margin: 2px 0; }
.srtn-ai-md strong { font-weight: 700; }
.srtn-ai-md em { font-style: italic; }
.srtn-ai-md a { color: var(--ai-accent); text-decoration: underline; }
.srtn-ai-md code {
    background: var(--ai-bg-darkest);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 12.5px;
    color: var(--ai-accent-dark);
}
.srtn-ai-md pre {
    background: #1a1d2e;
    color: #e5e7eb;
    padding: 12px 14px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
    font-size: 12.5px;
    line-height: 1.5;
}
.srtn-ai-md pre code { background: transparent; color: inherit; padding: 0; }
.srtn-ai-md h1, .srtn-ai-md h2, .srtn-ai-md h3 {
    margin: 10px 0 6px; font-weight: 700; line-height: 1.3;
}
.srtn-ai-md h1 { font-size: 16px; }
.srtn-ai-md h2 { font-size: 15px; }
.srtn-ai-md h3 { font-size: 14px; }
.srtn-ai-md blockquote {
    border-left: 3px solid var(--ai-accent);
    padding-left: 10px;
    color: var(--ai-text-2);
    margin: 6px 0;
}

/* ── Typing indicator ────────────────────────────────────── */
.srtn-ai-typing { display: inline-flex; gap: 4px; padding: 4px 2px; }
.srtn-ai-typing span {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--ai-muted);
    animation: srtn-ai-typing 1.2s infinite ease-in-out;
}
.srtn-ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.srtn-ai-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes srtn-ai-typing {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30%           { transform: translateY(-4px); opacity: 1; }
}

/* ── Empty / welcome state ───────────────────────────────── */
.srtn-ai-welcome { text-align: center; padding: 24px 12px; color: var(--ai-text-2); }
.srtn-ai-welcome .srtn-ai-welcome-icon {
    width: 52px; height: 52px; border-radius: 50%;
    background: var(--ai-accent-glow);
    color: var(--ai-accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin: 0 auto 12px;
}
.srtn-ai-welcome h3 { font-size: 15px; color: var(--ai-text); margin-bottom: 4px; }
.srtn-ai-welcome p { font-size: 13px; margin-bottom: 14px; }
.srtn-ai-suggestions { display: flex; flex-direction: column; gap: 8px; }
.srtn-ai-suggestion {
    text-align: left;
    background: var(--ai-bg);
    border: 1px solid var(--ai-border);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--ai-text);
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.srtn-ai-suggestion:hover { border-color: var(--ai-accent); transform: translateY(-1px); }
.srtn-ai-suggestion i { color: var(--ai-accent); margin-right: 8px; }

/* ── Error banner ────────────────────────────────────────── */
.srtn-ai-error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: var(--ai-danger);
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    align-self: stretch;
}
.srtn-ai-error i { margin-right: 6px; }

/* ── Composer ────────────────────────────────────────────── */
.srtn-ai-composer {
    flex-shrink: 0;
    border-top: 1px solid var(--ai-border);
    padding: 12px;
    background: var(--ai-bg);
    display: flex;
    gap: 8px;
    align-items: flex-end;
}
.srtn-ai-input {
    flex: 1;
    resize: none;
    border: 1px solid var(--ai-border);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--ai-text);
    background: var(--ai-bg);
    max-height: 120px;
    min-height: 42px;
    line-height: 1.4;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.srtn-ai-input:focus {
    outline: none;
    border-color: var(--ai-accent);
    box-shadow: 0 0 0 3px var(--ai-accent-glow);
}
.srtn-ai-input::placeholder { color: var(--ai-muted); }
.srtn-ai-input:disabled { background: var(--ai-bg-soft); cursor: not-allowed; }

.srtn-ai-send {
    width: 42px; height: 42px;
    border: none;
    border-radius: 10px;
    background: var(--ai-accent);
    color: #fff;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px;
    transition: background 0.15s ease, transform 0.15s ease;
    flex-shrink: 0;
}
.srtn-ai-send:hover:not(:disabled) { background: var(--ai-accent-dark); transform: translateY(-1px); }
.srtn-ai-send:disabled { background: var(--ai-border); color: var(--ai-muted); cursor: not-allowed; }

/* ── Footer note ─────────────────────────────────────────── */
.srtn-ai-footer {
    flex-shrink: 0;
    padding: 6px 12px 8px;
    background: var(--ai-bg);
    border-top: 1px solid var(--ai-border);
    font-size: 10.5px;
    color: var(--ai-muted);
    text-align: center;
}

/* ── ≥ 481px : Floating panel + bubble ───────────────────── */
@media (min-width: 481px) {
    .srtn-ai-bubble {
        right: 24px;
        bottom: 24px;
    }

    .srtn-ai-nudge {
        right: 24px;
        bottom: 96px;
        max-width: 280px;
    }

    .srtn-ai-nudge::after {
        right: 22px;
    }

    .srtn-ai-panel {
        right: 24px;
        bottom: 96px;
        width: 380px;
        max-width: calc(100vw - 48px);
        height: 560px;
        max-height: calc(100vh - 130px);
        border: 1px solid var(--ai-border);
        border-radius: var(--ai-radius);
    }
}