:root { --focus-ring: #67e8f9; --error-text: #fca5a5; --control-bg: #18181b; --action-bg: #047857; --text-muted: #90909c; }
[hidden] { display: none !important; }
button,input,textarea,select { font: inherit; }
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 4px; }
.talk-brand { color: var(--text-primary); letter-spacing: .16em; font-size: .9rem; font-weight: 800; margin-bottom: 12px; }
.talk-brand span { color: var(--text-secondary); letter-spacing: .02em; font-weight: 400; }
.talk-help { text-align: center; color: var(--text-secondary); font-size: .88rem; line-height: 1.6; }
.text-link { background: none; border: 0; color: var(--error-text); cursor: pointer; }
.ptt-btn { touch-action: none; user-select: none; -webkit-user-select: none; }
.ptt-btn[aria-pressed="true"] { border-color: var(--led-red-glow); }
button:disabled { opacity: .5; cursor: wait; }
.auth-card { max-width: 460px; }
.auth-card h1 { font-size: 1.6rem; margin: 16px 0; }
.stack { display: flex; flex-direction: column; gap: 18px; }
.stack label { display: flex; flex-direction: column; gap: 8px; color: var(--text-secondary); }
.stack input,.stack select { width: 100%; padding: 13px 15px; background: var(--control-bg); border: 1px solid var(--card-border); border-radius: 10px; color: var(--text-primary); }
.action-button { border: 1px solid var(--card-border); border-radius: 12px; padding: 14px; background: var(--action-bg); color: var(--text-primary); font-weight: 600; cursor: pointer; }
.form-error { color: var(--error-text); line-height: 1.5; }
.back-link { color: var(--focus-ring); display: inline-block; margin-top: 16px; }
.admin-section { display: flex; flex-direction: column; gap: 18px; }
.admin-section h2 { font-size: 1.25rem; }
.user-card { border: 1px solid var(--card-border); border-radius: 14px; padding: 18px; display: grid; gap: 12px; }
.user-card p { color: var(--text-secondary); font-size: .9rem; }
summary { cursor: pointer; padding: 8px 0; }
.danger-text { color: var(--error-text); }
.danger-button { border: 1px solid var(--error-text); color: var(--error-text); background: transparent; border-radius: 8px; padding: 10px; cursor: pointer; }
.history-item { flex-direction: column; align-items: stretch; }
.history-item-content { width: 100%; }
.history-actions { flex-wrap: wrap; flex-shrink: 1; }
.history-actions button { background: transparent; color: var(--text-secondary); border: 1px solid var(--card-border); border-radius: 8px; padding: 7px 10px; cursor: pointer; font-size: .8rem; }
.history-item-row { white-space: pre-wrap; overflow-wrap: anywhere; }
.history-time { color: var(--text-secondary); font-size: .72rem; }
.talk-stop { display: block; margin: 12px auto 0; }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { animation: none !important; transition: none !important; } }
@media(max-width:480px) {
    .app-container { gap: 22px; }
    .manual-input-actions { flex-wrap: wrap; }
    .manual-input-actions > div { display: none; }
    .manual-btn-translate { flex: 1 1 100%; justify-content: center; }
}

/* ==========================================================================
   GEMINI LIVE STYLES (Dynamic Glowing Orb, Rings & Live Waveforms)
   ========================================================================== */

/* Mode Switcher (Live vs PTT) */
.interaction-mode-switch {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 6px auto 14px;
    background: rgba(24, 24, 27, 0.7);
    padding: 4px;
    border-radius: 9999px;
    border: 1px solid var(--card-border);
    max-width: 360px;
}

.interaction-tab {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.interaction-tab.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.35) 0%, rgba(56, 189, 248, 0.25) 100%);
    color: #ffffff;
    border: 1px solid rgba(99, 102, 241, 0.4);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.live-status-pill {
    font-size: 0.65rem;
    font-weight: 800;
    background: #ef4444;
    color: #fff;
    padding: 2px 6px;
    border-radius: 9999px;
    letter-spacing: 0.05em;
    animation: livePillBlink 1.5s infinite;
}

@keyframes livePillBlink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.95); }
}

/* Gemini Live Container */
.gemini-live-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 10px 10px;
    position: relative;
    width: 100%;
}

/* Gemini Orb Wrapper */
.gemini-orb-wrapper {
    position: relative;
    width: 170px;
    height: 170px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* Glowing Pulse Rings */
.gemini-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    border: 2px solid rgba(56, 189, 248, 0.4);
}

.gemini-live-container.listening .gemini-ring-1 {
    animation: geminiRingPulse 2.4s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}
.gemini-live-container.listening .gemini-ring-2 {
    animation: geminiRingPulse 2.4s cubic-bezier(0.1, 0.8, 0.3, 1) 0.8s infinite;
}
.gemini-live-container.listening .gemini-ring-3 {
    animation: geminiRingPulse 2.4s cubic-bezier(0.1, 0.8, 0.3, 1) 1.6s infinite;
}

@keyframes geminiRingPulse {
    0% { transform: scale(0.9); opacity: 0.8; border-color: rgba(56, 189, 248, 0.6); }
    50% { opacity: 0.4; border-color: rgba(168, 85, 247, 0.4); }
    100% { transform: scale(1.65); opacity: 0; border-color: rgba(99, 102, 241, 0); }
}

/* Main Orb Button */
.gemini-live-orb {
    position: relative;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    background: radial-gradient(circle at 35% 30%, #38bdf8 0%, #6366f1 45%, #9333ea 80%, #2563eb 100%);
    box-shadow: 
        inset 0 0 25px rgba(255, 255, 255, 0.45),
        0 0 35px rgba(99, 102, 241, 0.45),
        0 0 70px rgba(56, 189, 248, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    z-index: 5;
    animation: geminiBreath 4s ease-in-out infinite;
}

.gemini-live-orb:hover {
    transform: scale(1.05);
    box-shadow: 
        inset 0 0 30px rgba(255, 255, 255, 0.6),
        0 0 45px rgba(99, 102, 241, 0.6),
        0 0 90px rgba(56, 189, 248, 0.4);
}

.gemini-live-orb:active {
    transform: scale(0.96);
}

@keyframes geminiBreath {
    0%, 100% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.03); filter: brightness(1.12); }
}

/* Listening State (Gemini Active Live) */
.gemini-live-container.listening .gemini-live-orb {
    background: radial-gradient(circle at 35% 30%, #22d3ee 0%, #3b82f6 40%, #8b5cf6 75%, #ec4899 100%);
    box-shadow: 
        inset 0 0 25px rgba(255, 255, 255, 0.6),
        0 0 40px rgba(34, 211, 238, 0.6),
        0 0 85px rgba(139, 92, 246, 0.4);
    animation: geminiListeningSpin 6s linear infinite;
}

@keyframes geminiListeningSpin {
    0% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(30deg); }
    100% { filter: hue-rotate(0deg); }
}

/* Speaking State (User is actively talking) */
.gemini-live-container.speaking .gemini-live-orb {
    transform: scale(1.1);
    box-shadow: 
        inset 0 0 35px rgba(255, 255, 255, 0.8),
        0 0 55px rgba(56, 189, 248, 0.8),
        0 0 110px rgba(168, 85, 247, 0.6);
}

/* Translating State (Gemini Thinking / Shimmer) */
.gemini-live-container.translating .gemini-live-orb {
    animation: geminiThinkingPulse 1.2s ease-in-out infinite;
    background: radial-gradient(circle at 35% 30%, #f472b6 0%, #c084fc 40%, #6366f1 80%, #38bdf8 100%);
}

@keyframes geminiThinkingPulse {
    0%, 100% { transform: scale(1); filter: brightness(1.2); }
    50% { transform: scale(1.08); filter: brightness(1.4) drop-shadow(0 0 25px #c084fc); }
}

/* Playing Audio State */
.gemini-live-container.playing .gemini-live-orb {
    background: radial-gradient(circle at 35% 30%, #34d399 0%, #06b6d4 45%, #6366f1 85%, #059669 100%);
    box-shadow: 
        inset 0 0 30px rgba(255, 255, 255, 0.7),
        0 0 50px rgba(16, 185, 129, 0.7),
        0 0 95px rgba(6, 182, 212, 0.5);
    animation: geminiAudioBeat 0.8s ease-in-out infinite;
}

@keyframes geminiAudioBeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.09); }
}

/* Inside the Orb */
.gemini-orb-core {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #ffffff;
}

.gemini-orb-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.gemini-live-container.listening .gemini-orb-icon,
.gemini-live-container.speaking .gemini-orb-icon,
.gemini-live-container.playing .gemini-orb-icon {
    display: none;
}

/* Dynamic Live Waveform Bars */
.gemini-wave-bars {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 5px;
    height: 42px;
}

.gemini-live-container.listening .gemini-wave-bars,
.gemini-live-container.speaking .gemini-wave-bars,
.gemini-live-container.playing .gemini-wave-bars {
    display: flex;
}

.g-bar {
    width: 5px;
    height: 12px;
    background: #ffffff;
    border-radius: 9999px;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
    transition: height 0.08s ease;
}

.gemini-live-container.listening .g-bar {
    animation: geminiWaveIdle 1.4s ease-in-out infinite alternate;
}
.gemini-live-container.listening .g-bar:nth-child(1) { animation-delay: 0.1s; height: 16px; }
.gemini-live-container.listening .g-bar:nth-child(2) { animation-delay: 0.3s; height: 26px; }
.gemini-live-container.listening .g-bar:nth-child(3) { animation-delay: 0.5s; height: 36px; }
.gemini-live-container.listening .g-bar:nth-child(4) { animation-delay: 0.2s; height: 22px; }
.gemini-live-container.listening .g-bar:nth-child(5) { animation-delay: 0.4s; height: 14px; }

@keyframes geminiWaveIdle {
    0% { height: 10px; }
    100% { height: 34px; }
}

.gemini-live-container.speaking .g-bar {
    animation: geminiWaveSpeak 0.3s ease-in-out infinite alternate;
}
@keyframes geminiWaveSpeak {
    0% { height: 14px; }
    100% { height: 44px; }
}

/* Gemini Live Status & Detector Meta */
.gemini-live-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    width: 100%;
}

.gemini-live-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(24, 24, 27, 0.7);
    border: 1px solid var(--card-border);
    padding: 8px 20px;
    border-radius: 9999px;
    font-size: 0.88rem;
    color: var(--text-primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #71717a;
}

.gemini-live-container.listening .live-dot {
    background: #38bdf8;
    box-shadow: 0 0 10px #38bdf8;
    animation: livePillBlink 1.2s infinite;
}

.gemini-live-container.speaking .live-dot {
    background: #10b981;
    box-shadow: 0 0 12px #10b981;
}

.gemini-live-container.translating .live-dot {
    background: #c084fc;
    box-shadow: 0 0 12px #c084fc;
}

.gemini-live-container.playing .live-dot {
    background: #06b6d4;
    box-shadow: 0 0 12px #06b6d4;
}

/* Chips for Language Detection */
.gemini-lang-detector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.gemini-lang-chips {
    display: flex;
    gap: 6px;
    background: rgba(0, 0, 0, 0.4);
    padding: 3px;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.lang-chip {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-chip.active {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.lang-chip.detected {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}