/* ===================================================================
   VOICE AGENT PAGE
   Dark Glassmorphism · Responsive · Cross-browser
   =================================================================== */
@import url("https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap");

/* ── Design Tokens ── */
:root {
    --bg-primary:    #0a0a0f;
    --bg-secondary:  #12121a;
    --bg-glass:      rgba(255,255,255,0.04);
    --bg-glass-h:    rgba(255,255,255,0.08);
    --accent-cyan:   #00d4ff;
    --accent-violet: #7c3aed;
    --accent-pink:   #ec4899;
    --accent-grad:   linear-gradient(135deg, #00d4ff, #7c3aed);
    --text-primary:  #f0f0f5;
    --text-secondary:#a0a0b8;
    --text-muted:    #6b6b80;
    --border:        rgba(255,255,255,0.08);
    --border-glow:   rgba(0,212,255,0.3);
    --radius-sm:     0.5rem;
    --radius-md:     0.75rem;
    --radius-lg:     1rem;
    --radius-full:   9999px;
    --font-body:     "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-heading:  "Space Grotesk", "Inter", sans-serif;
    --ease:          cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    min-height: 100%;
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ── Animated Background ── */
.va-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 60% at 20% 30%, rgba(0,212,255,0.07) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 70%, rgba(124,58,237,0.07) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(236,72,153,0.04) 0%, transparent 50%);
    -webkit-animation: bgPulse 12s ease-in-out infinite alternate;
    animation: bgPulse 12s ease-in-out infinite alternate;
}
@-webkit-keyframes bgPulse { 0% { opacity:.8; } 100% { opacity:1; -webkit-transform:scale(1.04); transform:scale(1.04); } }
@keyframes bgPulse          { 0% { opacity:.8; } 100% { opacity:1; transform:scale(1.04); } }

.va-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 80px 80px;
}

/* ── Page Shell ── */
.va-page {
    position: relative;
    z-index: 1;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
}

/* ═══════════════════ TOP BAR ═══════════════════ */
.va-topbar {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    padding: 0.875rem 1.5rem;
    background: rgba(10,10,15,0.75);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    -ms-flex-negative: 0;
    flex-shrink: 0;
    gap: 1rem;
}

.va-topbar__right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.va-theme-toggle {
    font-size: 1.15rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: var(--radius-md);
    transition: all 0.25s var(--ease);
    line-height: 1;
}
.va-theme-toggle:hover {
    color: var(--accent-cyan);
    background: rgba(0,212,255,0.08);
}
body:not(.dark-theme) .va-theme-toggle:hover {
    background: rgba(14,165,233,0.1);
}

.va-topbar__back {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    -webkit-transition: color 0.2s;
    transition: color 0.2s;
    white-space: nowrap;
}
.va-topbar__back:hover { color: var(--accent-cyan); }
.va-topbar__back i { font-size: 1.1rem; }

.va-topbar__title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.va-topbar__status {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.va-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    -webkit-transition: background 0.3s;
    transition: background 0.3s;
    -ms-flex-negative: 0;
    flex-shrink: 0;
}
.va-status-dot--active  { background: #22c55e; -webkit-box-shadow: 0 0 8px rgba(34,197,94,0.5); box-shadow: 0 0 8px rgba(34,197,94,0.5); -webkit-animation: dotPulse 2s ease-in-out infinite; animation: dotPulse 2s ease-in-out infinite; }
.va-status-dot--listening { background: var(--accent-cyan); -webkit-box-shadow: 0 0 8px rgba(0,212,255,0.5); box-shadow: 0 0 8px rgba(0,212,255,0.5); -webkit-animation: dotPulse 1s ease-in-out infinite; animation: dotPulse 1s ease-in-out infinite; }
.va-status-dot--speaking  { background: var(--accent-violet); -webkit-box-shadow: 0 0 8px rgba(124,58,237,0.5); box-shadow: 0 0 8px rgba(124,58,237,0.5); -webkit-animation: dotPulse 0.6s ease-in-out infinite; animation: dotPulse 0.6s ease-in-out infinite; }

@-webkit-keyframes dotPulse { 0%,100% { opacity:1; -webkit-transform:scale(1); transform:scale(1); } 50% { opacity:0.5; -webkit-transform:scale(1.4); transform:scale(1.4); } }
@keyframes dotPulse          { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.4); } }

/* ═══════════════════ MAIN LAYOUT ═══════════════════ */
.va-main {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    gap: 1.5rem;
    overflow-y: auto;
    overflow-x: hidden;
}

/* ── Center Column (orb side) ── */
.va-center-col {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 1.25rem;
    -ms-flex-negative: 0;
    flex-shrink: 0;
}

/* ═══════════════════ ORB ═══════════════════ */
.va-orb-container {
    position: relative;
    width: 180px;
    height: 180px;
    -ms-flex-negative: 0;
    flex-shrink: 0;
}

.va-orb {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 40%, rgba(0,212,255,0.15), rgba(124,58,237,0.1), rgba(10,10,15,0.8));
    border: 2px solid rgba(0,212,255,0.15);
    position: relative;
    -webkit-transition: all 0.5s var(--ease);
    transition: all 0.5s var(--ease);
    -webkit-animation: orbIdle 4s ease-in-out infinite;
    animation: orbIdle 4s ease-in-out infinite;
}

.va-orb::before {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent, rgba(0,212,255,0.2), transparent, rgba(124,58,237,0.2), transparent);
    -webkit-animation: orbRing 8s linear infinite;
    animation: orbRing 8s linear infinite;
    opacity: 0.5;
}

.va-orb::after {
    content: "";
    position: absolute;
    inset: 20%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,212,255,0.1) 0%, transparent 70%);
    -webkit-filter: blur(20px);
    filter: blur(20px);
}

.va-waveform { position: absolute; inset: 0; border-radius: 50%; z-index: 2; }

@-webkit-keyframes orbIdle { 0%,100% { -webkit-transform:scale(1); transform:scale(1); -webkit-box-shadow:0 0 40px rgba(0,212,255,0.1); box-shadow:0 0 40px rgba(0,212,255,0.1); } 50% { -webkit-transform:scale(1.03); transform:scale(1.03); -webkit-box-shadow:0 0 60px rgba(0,212,255,0.15); box-shadow:0 0 60px rgba(0,212,255,0.15); } }
@keyframes orbIdle          { 0%,100% { transform:scale(1); box-shadow:0 0 40px rgba(0,212,255,0.1); } 50% { transform:scale(1.03); box-shadow:0 0 60px rgba(0,212,255,0.15); } }

@-webkit-keyframes orbRing { 100% { -webkit-transform:rotate(360deg); transform:rotate(360deg); } }
@keyframes orbRing          { 100% { transform:rotate(360deg); } }

.va-orb--listening { border-color: rgba(0,212,255,0.4); -webkit-animation: orbListening 1.5s ease-in-out infinite; animation: orbListening 1.5s ease-in-out infinite; }
@-webkit-keyframes orbListening { 0%,100% { -webkit-transform:scale(1); transform:scale(1); -webkit-box-shadow:0 0 50px rgba(0,212,255,0.2); box-shadow:0 0 50px rgba(0,212,255,0.2); } 50% { -webkit-transform:scale(1.08); transform:scale(1.08); -webkit-box-shadow:0 0 80px rgba(0,212,255,0.4); box-shadow:0 0 80px rgba(0,212,255,0.4); } }
@keyframes orbListening          { 0%,100% { transform:scale(1); box-shadow:0 0 50px rgba(0,212,255,0.2); } 50% { transform:scale(1.08); box-shadow:0 0 80px rgba(0,212,255,0.4); } }

.va-orb--speaking { border-color: rgba(124,58,237,0.4); -webkit-animation: orbSpeaking 0.8s ease-in-out infinite; animation: orbSpeaking 0.8s ease-in-out infinite; }
@-webkit-keyframes orbSpeaking { 0%,100% { -webkit-transform:scale(1); transform:scale(1); -webkit-box-shadow:0 0 50px rgba(124,58,237,0.2); box-shadow:0 0 50px rgba(124,58,237,0.2); } 50% { -webkit-transform:scale(1.05); transform:scale(1.05); -webkit-box-shadow:0 0 70px rgba(124,58,237,0.4); box-shadow:0 0 70px rgba(124,58,237,0.4); } }
@keyframes orbSpeaking          { 0%,100% { transform:scale(1); box-shadow:0 0 50px rgba(124,58,237,0.2); } 50% { transform:scale(1.05); box-shadow:0 0 70px rgba(124,58,237,0.4); } }

.va-orb--connecting { -webkit-animation: orbConnecting 2s linear infinite; animation: orbConnecting 2s linear infinite; }
@-webkit-keyframes orbConnecting { 0%,100% { opacity:0.5; -webkit-transform:scale(0.95); transform:scale(0.95); } 50% { opacity:1; -webkit-transform:scale(1.05); transform:scale(1.05); } }
@keyframes orbConnecting          { 0%,100% { opacity:0.5; transform:scale(0.95); } 50% { opacity:1; transform:scale(1.05); } }

.va-orb-label {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ═══════════════════ CONTROLS ═══════════════════ */
.va-controls {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    gap: 0.75rem;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

/* Base button — reset */
.va-btn {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    gap: 0.4rem;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    -webkit-transition: all 0.25s var(--ease);
    transition: all 0.25s var(--ease);
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    outline: none;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    white-space: nowrap;
}
/* Focus visible for keyboard accessibility */
.va-btn:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}
.va-btn:active { -webkit-transform: scale(0.95); transform: scale(0.95); }

/* ── Mic button ── */
.va-btn--mic {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--accent-grad);
    color: #fff;
    font-size: 1.5rem;
    border-color: transparent;
    -webkit-box-shadow: 0 4px 20px rgba(0,212,255,0.3);
    box-shadow: 0 4px 20px rgba(0,212,255,0.3);
}
.va-btn--mic:hover {
    -webkit-transform: scale(1.08);
    transform: scale(1.08);
    -webkit-box-shadow: 0 6px 30px rgba(0,212,255,0.5);
    box-shadow: 0 6px 30px rgba(0,212,255,0.5);
}
.va-btn--mic:active { -webkit-transform: scale(0.96); transform: scale(0.96); }
.va-btn--mic.active {
    -webkit-animation: micPulse 1.5s ease-in-out infinite;
    animation: micPulse 1.5s ease-in-out infinite;
}
@-webkit-keyframes micPulse { 0%,100% { -webkit-box-shadow:0 0 20px rgba(0,212,255,0.3); box-shadow:0 0 20px rgba(0,212,255,0.3); } 50% { -webkit-box-shadow:0 0 40px rgba(0,212,255,0.6), 0 0 80px rgba(0,212,255,0.2); box-shadow:0 0 40px rgba(0,212,255,0.6), 0 0 80px rgba(0,212,255,0.2); } }
@keyframes micPulse          { 0%,100% { box-shadow:0 0 20px rgba(0,212,255,0.3); } 50% { box-shadow:0 0 40px rgba(0,212,255,0.6), 0 0 80px rgba(0,212,255,0.2); } }

/* ── Mute button ── */
.va-btn--mute {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.1rem;
    border-color: var(--border);
    background: var(--bg-glass);
    color: var(--text-secondary);
}
.va-btn--mute:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); background: var(--bg-glass-h); }
.va-btn--mute.muted { color: #ef4444; border-color: rgba(239,68,68,0.45); background: rgba(239,68,68,0.08); }
.va-btn--mute.muted:hover { background: rgba(239,68,68,0.16); }

/* ── Connect button ── */
.va-btn--connect {
    padding: 0 1.25rem;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--accent-grad);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border-color: transparent;
    -webkit-box-shadow: 0 2px 14px rgba(0,212,255,0.28);
    box-shadow: 0 2px 14px rgba(0,212,255,0.28);
}
.va-btn--connect:hover {
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
    -webkit-box-shadow: 0 4px 22px rgba(0,212,255,0.45);
    box-shadow: 0 4px 22px rgba(0,212,255,0.45);
}
.va-btn--connect:active { -webkit-transform: scale(0.97); transform: scale(0.97); }
.va-btn--connect.connected {
    background: rgba(239,68,68,0.12);
    color: #ef4444;
    border-color: rgba(239,68,68,0.35);
    -webkit-box-shadow: none;
    box-shadow: none;
}
.va-btn--connect.connected:hover { background: rgba(239,68,68,0.22); }

/* ── Secondary (clear) button ── */
.va-btn--secondary {
    padding: 0 1rem;
    height: 36px;
    border-radius: var(--radius-full);
    border-color: var(--border);
    background: var(--bg-glass);
    color: var(--text-muted);
    font-size: 0.78rem;
}
.va-btn--secondary:hover { border-color: var(--border-glow); color: var(--accent-cyan); background: var(--bg-glass-h); }

/* ═══════════════════ TRANSCRIPT ═══════════════════ */
.va-transcript-col {
    width: 100%;
    max-width: 560px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 0.75rem;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    min-height: 0;
}

.va-transcript {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1rem 1.25rem;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    min-height: 120px;
    max-height: 300px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.va-transcript::-webkit-scrollbar { width: 4px; }
.va-transcript::-webkit-scrollbar-track { background: transparent; }
.va-transcript::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.va-transcript__empty {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0.75rem 0;
}

/* ── Messages ── */
.va-msg {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 0.65rem;
    margin-bottom: 0.75rem;
    -webkit-animation: msgIn 0.3s var(--ease);
    animation: msgIn 0.3s var(--ease);
}
@-webkit-keyframes msgIn { from { opacity:0; -webkit-transform:translateY(6px); transform:translateY(6px); } to { opacity:1; -webkit-transform:translateY(0); transform:translateY(0); } }
@keyframes msgIn          { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:translateY(0); } }

.va-msg__avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    margin-top: 2px;
}
.va-msg__avatar--ai   { background: var(--accent-grad); color: #fff; }
.va-msg__avatar--user { background: rgba(255,255,255,0.1); color: var(--text-secondary); }

.va-msg__text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-primary);
    word-break: break-word;
}
.va-msg__text a {
    color: var(--accent-cyan);
    text-decoration: underline;
    word-break: break-all;
}

/* ── Welcome / instruction message ── */
.va-msg--welcome .va-msg__text {
    color: var(--text-secondary);
    font-size: 0.82rem;
}
.va-msg--welcome .va-msg__step {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.4rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}
.va-msg--welcome .va-msg__step-num {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(0,212,255,0.15);
    border: 1px solid rgba(0,212,255,0.3);
    color: var(--accent-cyan);
    font-size: 0.65rem;
    font-weight: 700;
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -ms-flex-negative: 0;
    flex-shrink: 0;
}

/* ── Text input area ── */
.va-chat-input-wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 0.5rem;
    width: 100%;
    background: rgba(10,10,15,0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 0.3rem 0.3rem 0.3rem 1rem;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    -webkit-transition: border-color 0.2s;
    transition: border-color 0.2s;
}
.va-chat-input-wrapper:focus-within { border-color: rgba(0,212,255,0.3); }

.va-chat-input {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-body);
    min-width: 0;
}
.va-chat-input::-webkit-input-placeholder { color: rgba(255,255,255,0.25); }
.va-chat-input::-moz-placeholder          { color: rgba(255,255,255,0.25); }
.va-chat-input:-ms-input-placeholder      { color: rgba(255,255,255,0.25); }
.va-chat-input::placeholder               { color: rgba(255,255,255,0.25); }
.va-chat-input:disabled { opacity: 0.45; cursor: not-allowed; }

.va-btn-send {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-cyan);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    -webkit-transition: all 0.2s var(--ease);
    transition: all 0.2s var(--ease);
    -webkit-tap-highlight-color: transparent;
    outline: none;
}
.va-btn-send:hover:not(:disabled) { -webkit-transform: scale(1.08); transform: scale(1.08); background: #18dfff; }
.va-btn-send:active:not(:disabled) { -webkit-transform: scale(0.94); transform: scale(0.94); }
.va-btn-send:focus-visible { outline: 2px solid var(--accent-cyan); outline-offset: 2px; }
.va-btn-send:disabled { opacity: 0.4; cursor: not-allowed; background: rgba(255,255,255,0.1); }

/* ═══════════════════ LIGHT MODE ═══════════════════ */
body:not(.dark-theme) {
    --bg-primary:    #f8fafc;
    --bg-secondary:  #f1f5f9;
    --bg-glass:      rgba(255,255,255,0.6);
    --bg-glass-h:    rgba(255,255,255,0.9);
    --accent-cyan:   #0ea5e9;
    --accent-violet: #7c3aed;
    --accent-pink:   #ec4899;
    --accent-grad:   linear-gradient(135deg, #0ea5e9, #7c3aed);
    --text-primary:  #0f172a;
    --text-secondary:#334155;
    --text-muted:    #64748b;
    --border:        rgba(0,0,0,0.08);
    --border-glow:   rgba(14,165,233,0.35);
}

body:not(.dark-theme) {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

body:not(.dark-theme) .va-bg {
    background:
        radial-gradient(ellipse 80% 60% at 20% 30%, rgba(14,165,233,0.07) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 70%, rgba(124,58,237,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(236,72,153,0.04) 0%, transparent 50%);
}

body:not(.dark-theme) .va-bg::after {
    background-image:
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
}

body:not(.dark-theme) .va-topbar {
    background: rgba(248,250,252,0.8);
    border-bottom-color: rgba(0,0,0,0.06);
}

body:not(.dark-theme) .va-orb {
    background: radial-gradient(circle at 40% 40%, rgba(14,165,233,0.15), rgba(124,58,237,0.1), rgba(248,250,252,0.8));
    border-color: rgba(14,165,233,0.2);
}

body:not(.dark-theme) .va-orb::before {
    background: conic-gradient(from 0deg, transparent, rgba(14,165,233,0.2), transparent, rgba(124,58,237,0.2), transparent);
}

body:not(.dark-theme) .va-orb::after {
    background: radial-gradient(circle, rgba(14,165,233,0.1) 0%, transparent 70%);
}

body:not(.dark-theme) .va-btn--mute {
    background: rgba(255,255,255,0.7);
    border-color: rgba(0,0,0,0.1);
    color: var(--text-secondary);
}
body:not(.dark-theme) .va-btn--mute:hover {
    background: rgba(255,255,255,0.9);
}

body:not(.dark-theme) .va-btn--secondary {
    background: rgba(255,255,255,0.7);
    border-color: rgba(0,0,0,0.1);
    color: var(--text-muted);
}
body:not(.dark-theme) .va-btn--secondary:hover {
    background: rgba(255,255,255,0.9);
}

body:not(.dark-theme) .va-transcript {
    background: rgba(255,255,255,0.75);
    border-color: rgba(0,0,0,0.08);
    scrollbar-color: rgba(0,0,0,0.1) transparent;
}
body:not(.dark-theme) .va-transcript::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.1);
}

body:not(.dark-theme) .va-msg__avatar--user {
    background: rgba(0,0,0,0.08);
    color: var(--text-secondary);
}

body:not(.dark-theme) .va-chat-input-wrapper {
    background: rgba(255,255,255,0.7);
    border-color: rgba(0,0,0,0.1);
}
body:not(.dark-theme) .va-chat-input::-webkit-input-placeholder { color: rgba(0,0,0,0.3); }
body:not(.dark-theme) .va-chat-input::-moz-placeholder          { color: rgba(0,0,0,0.3); }
body:not(.dark-theme) .va-chat-input:-ms-input-placeholder      { color: rgba(0,0,0,0.3); }
body:not(.dark-theme) .va-chat-input::placeholder               { color: rgba(0,0,0,0.3); }

body:not(.dark-theme) .va-btn-send:disabled {
    background: rgba(0,0,0,0.08);
}

body:not(.dark-theme) .va-msg--welcome .va-msg__step-num {
    background: rgba(14,165,233,0.12);
    border-color: rgba(14,165,233,0.3);
}

/* ═══════════════════ RESPONSIVE ═══════════════════ */

/* Mobile — default (< 640px) */
@media screen and (max-width: 639px) {
    .va-topbar { padding: 0.7rem 1rem; }
    .va-topbar__title { font-size: 0.875rem; }
    .va-topbar__back span { display: none; }

    .va-main { padding: 1rem 0.75rem; gap: 1rem; }

    .va-orb-container { width: 140px; height: 140px; }
    .va-orb-label { font-size: 0.72rem; }

    .va-btn--mic  { width: 54px; height: 54px; font-size: 1.3rem; }
    .va-btn--mute { width: 40px; height: 40px; font-size: 1rem; }
    .va-btn--connect { padding: 0 0.9rem; height: 40px; font-size: 0.8rem; }
    .va-btn--secondary { height: 32px; font-size: 0.72rem; padding: 0 0.75rem; }

    .va-controls { gap: 0.5rem; }

    .va-transcript { max-height: 180px; padding: 0.75rem 1rem; }
    .va-transcript-col { max-width: 100%; }
}

/* Tablet — portrait (640px – 1023px) */
@media screen and (min-width: 640px) and (max-width: 1023px) {
    .va-orb-container { width: 200px; height: 200px; }
    .va-transcript { max-height: 240px; }
}

/* Desktop (≥ 1024px) — side by side layout */
@media screen and (min-width: 1024px) {
    .va-main {
        -webkit-box-orient: horizontal;
        -webkit-box-direction: normal;
        -ms-flex-direction: row;
        flex-direction: row;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        justify-content: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        gap: 4rem;
        padding: 2rem 3rem;
    }

    .va-orb-container { width: 280px; height: 280px; }

    .va-transcript-col {
        max-width: 480px;
        -webkit-box-flex: 1;
        -ms-flex: 1;
        flex: 1;
        max-height: 70vh;
    }

    .va-transcript {
        max-height: none;
        -webkit-box-flex: 1;
        -ms-flex: 1;
        flex: 1;
    }
}

/* Arabic / RTL */
:lang(ar) .va-msg, .rtl .va-msg { -webkit-box-direction: reverse; -ms-flex-direction: row-reverse; flex-direction: row-reverse; }
:lang(ar) .va-msg__text, .rtl .va-msg__text { font-family: 'Cairo', sans-serif; text-align: right; direction: rtl; }
:lang(ar) .va-chat-input, .rtl .va-chat-input { font-family: 'Cairo', sans-serif; direction: rtl; text-align: right; }