/* ===== Support chat widget =====
   Launcher + chat panel, styled entirely from base.css tokens so dark mode
   follows automatically. Z-index 95: above the header (80), below dialogs
   (300+) and toasts (1000). Hidden on public (signed-out) pages. */

body.signed-out .support-launcher,
body.signed-out .support-panel,
body.signed-out .support-hint { display: none !important; }

/* ---- Launcher ---- */
.support-launcher {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 95;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: var(--primary-color);
    color: #fff;
    font-size: 19px;
    cursor: pointer;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--duration-fast) var(--ease-out),
                background var(--duration-fast) ease;
}
.support-launcher:hover { background: var(--primary-dark); transform: scale(1.06); }
.support-launcher:active { transform: scale(0.97); }
.support-launcher:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 3px; }

.support-pulse::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
    animation: support-pulse 1.8s var(--ease-out) infinite;
}
@keyframes support-pulse {
    0%   { transform: scale(0.9); opacity: 0.9; }
    70%  { transform: scale(1.35); opacity: 0; }
    100% { transform: scale(1.35); opacity: 0; }
}

/* ---- First-run hint bubble ---- */
.support-hint {
    position: fixed;
    right: 80px;
    bottom: 28px;
    z-index: 95;
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 9px 12px;
    font-size: 12.5px;
    display: flex;
    align-items: center;
    gap: 9px;
    animation: support-slide-in var(--duration-normal) var(--ease-out);
}
.support-hint button {
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    padding: 2px;
}

/* ---- Panel ---- */
.support-panel {
    position: fixed;
    right: 20px;
    bottom: 80px;
    z-index: 95;
    width: 380px;
    max-width: calc(100vw - 32px);
    height: min(560px, calc(100vh - 120px));
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-paper);
    overflow: hidden;
    animation: support-slide-in var(--duration-normal) var(--ease-out);
}
@keyframes support-slide-in {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.support-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 14px;
    border-bottom: 1px solid var(--border-color);
    background: var(--surface-sunken);
}
.support-head-title { display: flex; align-items: center; gap: 9px; }
.support-head-title strong { font-size: 13.5px; display: block; }
.support-head-title small { color: var(--text-light); font-size: 11px; }
.support-head-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--success-color);
    flex-shrink: 0;
}
.support-close {
    border: none;
    background: transparent;
    color: var(--text-light);
    font-size: 15px;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
}
.support-close:hover { background: var(--primary-light); color: var(--text-color); }

/* ---- Messages ---- */
.support-msgs {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 9px;
}
.support-msg {
    max-width: 84%;
    padding: 8px 11px;
    border-radius: 12px;
    font-size: 12.5px;
    line-height: 1.45;
    overflow-wrap: break-word;
    animation: support-msg-in var(--duration-fast) var(--ease-out);
}
@keyframes support-msg-in {
    from { opacity: 0; transform: translateY(5px); }
    to   { opacity: 1; transform: translateY(0); }
}
.support-msg-user {
    align-self: flex-end;
    background: var(--primary-color);
    color: #fff;
    border-bottom-right-radius: 4px;
    white-space: pre-wrap;
}
.support-msg-assistant {
    align-self: flex-start;
    background: var(--surface-sunken);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}
.support-msg-assistant p + p,
.support-msg-assistant p + ul,
.support-msg-assistant ul + p { margin-top: 6px; }
.support-msg-assistant ul { padding-left: 17px; }
.support-msg-assistant code {
    font-family: var(--font-mono);
    font-size: 11.5px;
    background: var(--primary-light);
    border-radius: 4px;
    padding: 0 4px;
}
.support-msg-error {
    align-self: flex-start;
    background: transparent;
    border: 1px dashed var(--danger-color);
    color: var(--danger-color);
    display: flex;
    align-items: center;
    gap: 8px;
}
.support-retry {
    border: none;
    background: transparent;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
    white-space: nowrap;
}

/* ---- Typing indicator ---- */
.support-typing {
    display: flex;
    gap: 4px;
    padding: 11px 13px;
}
.support-typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-light);
    animation: support-bounce 1.2s infinite;
}
.support-typing span:nth-child(2) { animation-delay: 0.15s; }
.support-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes support-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
    30% { transform: translateY(-4px); opacity: 1; }
}

/* ---- Ticket success card ---- */
.support-ticket-card {
    position: relative;
    align-self: stretch;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 12px 13px;
    border: 1px solid var(--success-color);
    border-radius: var(--border-radius);
    background: var(--status-approved-bg);
    color: var(--status-approved-fg);
}
.support-ticket-check {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--success-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    animation: support-check-pop 0.5s var(--ease-out);
}
@keyframes support-check-pop {
    0%   { transform: scale(0); }
    60%  { transform: scale(1.15); }
    100% { transform: scale(1); }
}
.support-ticket-ring {
    position: absolute;
    left: 13px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid var(--success-color);
    animation: support-ring 0.9s var(--ease-out) 0.15s forwards;
    opacity: 0;
    pointer-events: none;
}
@keyframes support-ring {
    0%   { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2.1); opacity: 0; }
}
.support-ticket-text { display: flex; flex-direction: column; flex: 1; }
.support-ticket-text strong { font-size: 12.5px; }
.support-ticket-no {
    font-family: var(--font-mono);
    font-size: 13.5px;
    font-weight: 700;
    letter-spacing: 0.4px;
}
.support-ticket-card .btn-ghost {
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    color: inherit;
}

/* ---- Screenshot chip ---- */
.support-shot {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 0 14px 6px;
    padding: 6px 9px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--surface-sunken);
    font-size: 11.5px;
    color: var(--text-light);
}
.support-shot img {
    width: 44px;
    height: 32px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: #fff;
}
.support-shot span { flex: 1; }
.support-shot button {
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    padding: 3px 5px;
}
.support-shot button:hover { color: var(--danger-color); }

/* ---- Input row ---- */
.support-input {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 10px 14px 12px;
    border-top: 1px solid var(--border-color);
}
.support-input textarea {
    flex: 1;
    resize: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    color: var(--text-color);
    font-family: var(--font-sans);
    font-size: 12.5px;
    line-height: 1.4;
    padding: 8px 10px;
    max-height: 120px;
}
.support-input textarea:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: -1px;
}
.support-input button {
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary-color);
    color: #fff;
    width: 34px;
    height: 34px;
    font-size: 13px;
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--duration-fast) ease;
}
.support-input button:hover:not(:disabled) { background: var(--primary-dark); }
.support-input button:disabled { opacity: 0.55; cursor: default; }

.support-input .support-attach {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}
.support-input .support-attach:hover:not(:disabled) {
    background: var(--primary-light);
    color: var(--primary-color);
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
    .support-panel, .support-msg, .support-hint { animation: none; }
    .support-pulse::after { animation: none; opacity: 0; }
    .support-ticket-check { animation: none; }
    .support-ticket-ring { display: none; }
    .support-typing span { animation: none; opacity: 0.7; }
}

/* ---- Small screens ---- */
@media (max-width: 480px) {
    .support-panel {
        right: 8px;
        left: 8px;
        width: auto;
        bottom: 76px;
    }
}