/* The support widget keeps the blue brand skin and a black educational cap. */
.support-panel,
.support-launcher {
    --support-blue: #0076a8;
    --support-blue-hover: #005e87;
    --support-blue-bright: #00a9e9;
    --support-blue-soft: #eaf8fe;
    --support-ink: #10203b;
    --support-muted: #52667b;
    --support-line: #d7e5ee;
    font-family: inherit;
}

.support-launcher,
.landing-body .support-launcher {
    inset-inline-end: 22px;
    bottom: max(22px, env(safe-area-inset-bottom));
    gap: 10px;
    min-height: 64px;
    padding: 8px 10px 8px 18px;
    border: 1px solid #c6e4f2;
    border-radius: 20px;
    background: #fff;
    color: var(--support-ink);
    box-shadow: 0 10px 32px #10203b24;
    backdrop-filter: none;
}

.support-launcher::before,
.landing-body .support-launcher::before,
.support-panel-header::after,
.support-message.bot::before { display: none; }

.support-launcher:hover {
    border-color: var(--support-blue);
    box-shadow: 0 12px 36px #10203b30;
    transform: translateY(-2px);
}

.support-launcher-mark,
.support-avatar,
.landing-body .support-avatar {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    overflow: hidden;
    border: 0;
    border-radius: 14px;
    background: var(--support-blue-soft);
    box-shadow: none;
    filter: none;
}

.support-launcher-mark .support-cap,
.support-avatar .support-cap {
    display: block;
    width: 32px;
    height: 32px;
    color: #111;
    border-radius: 0;
    filter: none;
}

.support-launcher-copy { gap: 2px; }
.support-launcher-copy small { color: var(--support-muted); font-size: .7rem; }
.support-launcher-copy strong { color: var(--support-ink); font-size: .86rem; }

.support-panel {
    inset-inline-end: 22px;
    bottom: calc(max(16px, env(safe-area-inset-bottom)) + var(--support-viewport-offset, 0px));
    grid-template-rows: auto minmax(0, 1fr) auto auto auto;
    width: min(430px, calc(100vw - 32px));
    height: min(640px, calc(var(--support-viewport-height, 100dvh) - 32px));
    min-height: 0;
    border: 1px solid var(--support-line);
    border-radius: 24px;
    background: #fff;
    color: var(--support-ink);
    box-shadow: 0 24px 72px #10203b38;
    transform-origin: bottom left;
}

.support-panel-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto 44px;
    gap: 8px;
    min-height: 90px;
    padding: 14px;
    overflow: visible;
    border-block-start: 4px solid var(--support-blue-bright);
    border-block-end: 1px solid var(--support-line);
    background: #fff;
}

.support-identity { min-width: 0; gap: 10px; }
.support-identity > div { min-width: 0; }
.support-identity strong { color: var(--support-ink); font-size: .9rem; line-height: 1.6; }
.support-identity strong bdi { color: var(--support-blue); }
.support-identity small { margin-block-start: 2px; color: var(--support-muted); font-size: .73rem; line-height: 1.7; }

.support-close {
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--support-line);
    border-radius: 12px;
    background: #f6f9fc;
    color: var(--support-muted);
    font-family: inherit;
    font-size: 1.6rem;
    line-height: 1;
}

.support-close:hover { background: var(--support-blue-soft); color: var(--support-blue); transform: none; }

.support-ticket-link {
    justify-content: center;
    min-height: 44px;
    margin: 0;
    padding: 8px;
    border: 1px solid var(--support-line);
    border-radius: 12px;
    background: #fff;
    color: var(--support-blue);
    font-size: .72rem;
    text-decoration: none;
}

.support-ticket-link:hover { border-color: var(--support-blue); background: var(--support-blue-soft); color: var(--support-blue-hover); }

.support-messages {
    min-height: 0;
    gap: 12px;
    padding: 16px;
    overflow-x: hidden;
    overflow-y: auto;
    background: #f3f7fb;
    scrollbar-color: #a6c4d5 transparent;
    scroll-padding-block: 16px;
    -webkit-overflow-scrolling: touch;
}

.support-message {
    min-width: 0;
    max-width: 100%;
    padding: 12px 14px;
    border-radius: 16px;
    color: var(--support-ink);
    font-size: .9rem;
    line-height: 1.95;
    text-align: start;
    unicode-bidi: isolate;
}

.support-message.bot {
    margin-inline-start: 0;
    border: 1px solid var(--support-line);
    border-end-start-radius: 5px;
    background: #fff;
    box-shadow: 0 2px 6px #10203b05;
}

.support-message.user {
    max-width: 87%;
    border-end-end-radius: 5px;
    background: #102f50;
    color: #fff;
    box-shadow: none;
}

.support-message strong { color: var(--support-ink); font-weight: 800; }
.support-message.user strong { color: #fff; }
.support-message p { margin-block: 0 8px; }
.support-message p:last-child { margin-block-end: 0; }
.support-message-heading { font-weight: 800; }
.support-message bdi { unicode-bidi: isolate; overflow-wrap: anywhere; }
.support-message a:not(.support-result-card) {
    display: inline;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 3px;
    background: none;
    color: var(--support-blue);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
    overflow-wrap: anywhere;
    unicode-bidi: isolate;
}

.support-message.user a:not(.support-result-card) { color: #a5e2ff; }
.support-message-list { padding-inline-start: 1.35rem; }

.support-sources.support-citations {
    display: grid;
    gap: 8px;
    margin-block-start: 12px;
    padding-block-start: 12px;
    border-block-start: 1px solid var(--support-line);
    direction: rtl;
    unicode-bidi: isolate;
}

.support-sources .support-result-card {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr) 16px;
    align-items: start;
    gap: 9px;
    min-height: 64px;
    margin: 0;
    padding: 11px;
    border: 1px solid #cfe1ee;
    border-radius: 12px;
    background: #f6fbff;
    color: var(--support-ink);
    font-size: .85rem;
    line-height: 1.75;
    text-decoration: none;
    transition: border-color 150ms ease, background 150ms ease;
}

.support-sources .support-result-card:hover { border-color: var(--support-blue); background: var(--support-blue-soft); }
.support-result-icon {
    display: grid;
    place-items: center;
    width: 32px;
    height: 36px;
    border-radius: 9px;
    background: #dff2fc;
    color: var(--support-blue);
    font-size: 1rem;
}

.support-result-content { display: block; min-width: 0; }
.support-result-type { display: block; margin-block-end: 3px; color: var(--support-blue); font-size: .68rem; font-weight: 700; }
.support-result-title { display: block; font-size: .85rem; font-weight: 800; line-height: 1.8; overflow-wrap: anywhere; unicode-bidi: isolate; }
.support-result-meta { display: block; margin-block-start: 4px; color: var(--support-muted); font-size: .72rem; font-weight: 400; line-height: 1.8; unicode-bidi: isolate; }
.support-result-arrow { align-self: center; color: var(--support-blue); font-size: 1rem; }

.support-typing { margin-inline-start: 0; border-color: var(--support-line); box-shadow: none; }
.support-typing span { background: var(--support-blue); }

.support-source-toggles {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-block-start: 1px solid var(--support-line);
    background: #fff;
    direction: rtl;
}

.support-source-toggles button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 0;
    min-height: 44px;
    padding: 8px 12px;
    border: 1px solid #b4c9d8;
    border-radius: 12px;
    background: #fff;
    color: var(--support-muted);
    font: inherit;
    font-size: .8rem;
    font-weight: 700;
    cursor: pointer;
}

.support-source-toggles button::before { content: "+"; flex: 0 0 14px; font-size: 1rem; direction: ltr; unicode-bidi: isolate; }
.support-source-toggles button[aria-pressed="true"] { border-color: var(--support-blue); background: var(--support-blue-soft); color: var(--support-blue-hover); }
.support-source-toggles button[aria-pressed="true"]::before { content: "✓"; }
.support-source-toggles button:hover { border-color: var(--support-blue); }

.support-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    padding: 0 14px 10px;
    border: 0;
    background: #fff;
    direction: rtl;
}
.support-form input {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid #b4c9d8;
    border-radius: 12px;
    background: #fff;
    color: var(--support-ink);
    font: inherit;
    font-size: 16px;
    line-height: 1.6;
    direction: rtl;
    text-align: right;
}

.support-form input::placeholder { color: #63788a; text-align: right; }
.support-form input:focus { border-color: var(--support-blue); background: #fff; box-shadow: 0 0 0 3px #0076a821; }
.support-form input:disabled { opacity: .7; }
.support-form button,
.support-form button:hover {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 66px;
    height: 48px;
    padding: 0 14px;
    border: 1px solid var(--support-blue);
    border-radius: 12px;
    background: var(--support-blue);
    color: #fff;
    box-shadow: none;
    font: inherit;
    font-size: .86rem;
    font-weight: 800;
    transform: none;
}

.support-form button:hover:not(:disabled) { background: var(--support-blue-hover); border-color: var(--support-blue-hover); }
.support-form button:disabled { opacity: .55; }
.support-disclaimer {
    min-width: 0;
    padding: 0 16px 12px;
    background: #fff;
    color: var(--support-muted);
    font-size: .72rem;
    line-height: 1.9;
    direction: rtl;
    text-align: right;
    overflow-wrap: anywhere;
}

.support-launcher:focus-visible,
.support-panel :is(button, a, input):focus-visible {
    outline: 3px solid var(--support-blue);
    outline-offset: 3px;
}

.support-messages:focus-visible { outline: 2px solid var(--support-blue); outline-offset: -3px; }

@media (max-width: 540px) {
    .support-launcher,
    .landing-body .support-launcher {
        inset-inline-end: 14px;
        bottom: max(14px, env(safe-area-inset-bottom));
        width: 60px;
        height: 60px;
        min-height: 60px;
        justify-content: center;
        padding: 6px;
        border-radius: 18px;
    }
    .support-launcher-copy { display: none; }
    .support-panel {
        inset-inline: 8px;
        bottom: calc(max(8px, env(safe-area-inset-bottom)) + var(--support-viewport-offset, 0px));
        width: auto;
        height: min(650px, calc(var(--support-viewport-height, 100dvh) - 16px));
        border-radius: 20px;
        transform-origin: bottom center;
    }
    .support-panel-header { min-height: 82px; padding: 10px; gap: 6px; }
    .support-identity { gap: 7px; }
    .support-avatar,
    .landing-body .support-avatar { width: 40px; height: 46px; flex-basis: 40px; border-radius: 11px; }
    .support-avatar .support-cap { width: 29px; height: 29px; }
    .support-identity strong { font-size: .81rem; }
    .support-identity small { font-size: .68rem; }
    .support-ticket-link { padding-inline: 6px; font-size: .68rem; }
    .support-messages { padding: 12px; }
    .support-message { padding: 11px 12px; }
    .support-source-toggles { padding: 10px 12px; }
    .support-source-toggles button { flex: 1; padding-inline: 8px; }
    .support-form { padding-inline: 12px; }
}

@media (max-height: 480px) {
    .support-panel-header { min-height: 66px; padding-block: 7px; }
    .support-identity small { display: none; }
    .support-source-toggles { padding-block: 6px; }
    .support-disclaimer { padding-block-end: 8px; font-size: .62rem; }
}

@media (max-width: 380px) {
    .support-panel-header { grid-template-columns: minmax(0, 1fr) 44px; }
    .support-close { grid-column: 2; grid-row: 1; }
    .support-ticket-link { grid-column: 1; grid-row: 2; justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
    .support-panel,
    .support-launcher,
    .support-message,
    .support-result-card { animation: none; transition: none; }
}