:root {
    --ask-ym-accent: #f1780e;
    --ask-ym-accent-strong: #d96100;
    --ask-ym-ink: #172033;
    --ask-ym-panel: rgba(255, 251, 246, 0.96);
    --ask-ym-panel-border: rgba(23, 32, 51, 0.12);
    --ask-ym-shadow: 0 30px 80px rgba(15, 23, 42, 0.24);
    --ask-ym-user-bg: linear-gradient(135deg, #f1780e, #f59e0b);
    --ask-ym-user-text: #ffffff;
    --ask-ym-assistant-bg: rgba(255, 255, 255, 0.94);
    --ask-ym-assistant-text: #1f2937;
    --ask-ym-muted: #64748b;
    --ask-ym-chip-bg: rgba(23, 32, 51, 0.06);
    --ask-ym-chip-text: #334155;
    --ask-ym-input-bg: rgba(255, 255, 255, 0.92);
}

.ask-yangming-shell {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 14px;
    pointer-events: none;
}

.ask-yangming-launcher,
.ask-yangming-panel {
    pointer-events: auto;
}

.ask-yangming-launcher {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.94));
    color: #fff;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.28);
    font: 700 0.95rem/1.1 'Hind', sans-serif;
    letter-spacing: 0.01em;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.ask-yangming-launcher:hover,
.ask-yangming-launcher:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.34);
    outline: none;
}

.ask-yangming-launcher-dot {
    width: 11px;
    height: 11px;
    border-radius: 999px;
    background: #34d399;
    box-shadow: 0 0 0 7px rgba(52, 211, 153, 0.16);
    flex-shrink: 0;
}

.ask-yangming-panel {
    width: min(420px, calc(100vw - 28px));
    max-height: min(680px, calc(100vh - 112px));
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--ask-ym-panel-border);
    border-radius: 28px;
    background:
        radial-gradient(circle at top right, rgba(241, 120, 14, 0.14), transparent 34%),
        radial-gradient(circle at top left, rgba(14, 165, 233, 0.12), transparent 28%),
        var(--ask-ym-panel);
    backdrop-filter: blur(18px);
    box-shadow: var(--ask-ym-shadow);
    opacity: 0;
    transform: translateY(16px) scale(0.98);
    visibility: hidden;
    transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s ease;
}

.ask-yangming-panel[data-state="open"] {
    opacity: 1;
    transform: translateY(0) scale(1);
    visibility: visible;
}

.ask-yangming-header {
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(23, 32, 51, 0.08);
}

.ask-yangming-header-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.ask-yangming-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    padding: 6px 11px;
    border-radius: 999px;
    background: rgba(23, 32, 51, 0.06);
    color: var(--ask-ym-ink);
    font: 700 0.72rem/1 'Hind', sans-serif;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ask-yangming-title {
    margin: 0;
    color: var(--ask-ym-ink);
    font: 700 1.18rem/1.2 'Hind', sans-serif;
}

.ask-yangming-subtitle {
    margin: 8px 0 0;
    color: var(--ask-ym-muted);
    font: 500 0.95rem/1.5 'Hind', sans-serif;
}

.ask-yangming-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.ask-yangming-icon-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 14px;
    background: rgba(23, 32, 51, 0.06);
    color: var(--ask-ym-ink);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.ask-yangming-icon-btn:hover,
.ask-yangming-icon-btn:focus-visible {
    background: rgba(23, 32, 51, 0.12);
    transform: translateY(-1px);
    outline: none;
}

.ask-yangming-quick-prompts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 20px 0;
}

.ask-yangming-chip {
    border: 0;
    border-radius: 999px;
    padding: 9px 13px;
    background: var(--ask-ym-chip-bg);
    color: var(--ask-ym-chip-text);
    font: 600 0.86rem/1.15 'Hind', sans-serif;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.ask-yangming-chip:hover,
.ask-yangming-chip:focus-visible {
    background: rgba(241, 120, 14, 0.12);
    transform: translateY(-1px);
    outline: none;
}

.ask-yangming-messages {
    min-height: 280px;
    max-height: 420px;
    overflow-y: auto;
    padding: 18px 20px 10px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ask-yangming-empty {
    padding: 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px dashed rgba(23, 32, 51, 0.12);
    color: var(--ask-ym-muted);
    font: 500 0.92rem/1.6 'Hind', sans-serif;
}

.ask-yangming-message {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ask-yangming-message[data-role="user"] {
    align-items: flex-end;
}

.ask-yangming-message[data-role="assistant"] {
    align-items: flex-start;
}

.ask-yangming-bubble {
    max-width: 88%;
    padding: 14px 16px;
    border-radius: 22px;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
    white-space: pre-wrap;
    font: 500 0.96rem/1.6 'Hind', sans-serif;
}

.ask-yangming-message[data-role="assistant"] .ask-yangming-bubble {
    background: var(--ask-ym-assistant-bg);
    color: var(--ask-ym-assistant-text);
    border-top-left-radius: 10px;
}

.ask-yangming-message[data-role="user"] .ask-yangming-bubble {
    background: var(--ask-ym-user-bg);
    color: var(--ask-ym-user-text);
    border-top-right-radius: 10px;
}

.ask-yangming-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ask-ym-muted);
    font: 600 0.76rem/1 'Hind', sans-serif;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.ask-yangming-sources {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-width: 92%;
}

.ask-yangming-source {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 11px;
    border-radius: 999px;
    background: rgba(241, 120, 14, 0.09);
    color: #9a3412;
    text-decoration: none;
    font: 600 0.8rem/1 'Hind', sans-serif;
}

.ask-yangming-source:hover,
.ask-yangming-source:focus-visible {
    background: rgba(241, 120, 14, 0.16);
    outline: none;
}

.ask-yangming-composer {
    padding: 16px 20px 20px;
    border-top: 1px solid rgba(23, 32, 51, 0.08);
}

.ask-yangming-status {
    min-height: 20px;
    margin-bottom: 10px;
    color: var(--ask-ym-muted);
    font: 600 0.78rem/1.3 'Hind', sans-serif;
}

.ask-yangming-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.ask-yangming-input {
    width: 100%;
    min-height: 54px;
    max-height: 130px;
    resize: vertical;
    padding: 14px 16px;
    border: 1px solid rgba(23, 32, 51, 0.12);
    border-radius: 18px;
    background: var(--ask-ym-input-bg);
    color: var(--ask-ym-ink);
    font: 500 0.96rem/1.5 'Hind', sans-serif;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.ask-yangming-input:focus {
    outline: 2px solid rgba(241, 120, 14, 0.28);
    outline-offset: 1px;
    border-color: rgba(241, 120, 14, 0.34);
}

.ask-yangming-submit {
    align-self: stretch;
    min-width: 58px;
    padding: 0 18px;
    border: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--ask-ym-accent), var(--ask-ym-accent-strong));
    color: #fff;
    font: 700 0.95rem/1 'Hind', sans-serif;
    box-shadow: 0 16px 28px rgba(217, 97, 0, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.ask-yangming-submit:hover,
.ask-yangming-submit:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 18px 34px rgba(217, 97, 0, 0.28);
    outline: none;
}

.ask-yangming-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.ask-yangming-footnote {
    margin-top: 10px;
    color: var(--ask-ym-muted);
    font: 500 0.76rem/1.5 'Hind', sans-serif;
}

.ask-yangming-hero-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

body.dark-mode {
    --ask-ym-panel: rgba(10, 15, 28, 0.96);
    --ask-ym-panel-border: rgba(148, 163, 184, 0.16);
    --ask-ym-shadow: 0 30px 80px rgba(2, 6, 23, 0.55);
    --ask-ym-user-bg: linear-gradient(135deg, #ea580c, #f59e0b);
    --ask-ym-assistant-bg: rgba(15, 23, 42, 0.86);
    --ask-ym-assistant-text: #e2e8f0;
    --ask-ym-chip-bg: rgba(148, 163, 184, 0.12);
    --ask-ym-chip-text: #e2e8f0;
    --ask-ym-input-bg: rgba(15, 23, 42, 0.88);
    --ask-ym-ink: #f8fafc;
    --ask-ym-muted: #cbd5e1;
}

body.dark-mode .ask-yangming-launcher {
    background: linear-gradient(135deg, rgba(241, 120, 14, 0.94), rgba(194, 65, 12, 0.96));
    box-shadow: 0 20px 46px rgba(2, 6, 23, 0.42);
}

body.dark-mode .ask-yangming-empty {
    background: rgba(15, 23, 42, 0.66);
    border-color: rgba(148, 163, 184, 0.14);
}

body.dark-mode .ask-yangming-source {
    background: rgba(251, 146, 60, 0.14);
    color: #fdba74;
}

@media (max-width: 768px) {
    .ask-yangming-shell {
        right: 14px;
        left: 14px;
        bottom: 14px;
        align-items: stretch;
    }

    .ask-yangming-launcher {
        align-self: flex-end;
    }

    .ask-yangming-panel {
        width: 100%;
        max-height: min(74vh, 680px);
        border-radius: 24px;
    }

    .ask-yangming-bubble,
    .ask-yangming-sources {
        max-width: 100%;
    }

    .ask-yangming-form {
        grid-template-columns: 1fr;
    }

    .ask-yangming-submit {
        min-height: 48px;
    }
}