/* FILE: /velai/assets/velai.css */
/* VEL AI — Full native app look, 4 enhanced themes: Instagram, Ocean, Forest, Pastel */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --bg-body: #f6f7fb;
    --chat-bg: rgba(255,255,255,0.12);
    --bubble-bot-bg: rgba(255,255,255,0.82);
    --bubble-bot-text: #182132;
    --bubble-user-text: #ffffff;
    --bubble-shadow: 0 12px 28px rgba(20, 20, 55, 0.12);
    --bubble-border: 1px solid rgba(255,255,255,0.22);
    --bot-action-bg: rgba(255,255,255,0.88);
    --text-muted: #667085;
    --input-bg: rgba(255,255,255,0.9);
    --input-border: 1px solid rgba(255,255,255,0.42);
    --input-radius: 22px;
    --rating-star: #c9c9cf;
    --rating-star-active: #f59e0b;
    --header-bg: rgba(255,255,255,0.18);
    --header-border: rgba(255,255,255,0.22);
    --chip-bg: rgba(255,255,255,0.76);
    --chip-border: 1px solid rgba(255,255,255,0.38);
    --chip-text: #5d2e80;
    --preview-bg: rgba(255,255,255,0.92);
    --preview-border: rgba(255,255,255,0.32);
    --preview-text: #172033;
    --preview-desc: #5d6575;
    --preview-domain: #833ab4;
    --ts-color: #6f7484;
    --ts-user-color: rgba(255,255,255,0.82);
    --global-shadow: 0 14px 30px rgba(17,24,39,0.10);
    --surface-blur: blur(16px);
    --surface-shadow: 0 14px 34px rgba(17, 24, 39, 0.12);
    --message-font: 'Lora', Georgia, serif;
    --ui-font: 'Inter', 'Segoe UI', sans-serif;
    --theme-grad-main: linear-gradient(135deg, #405de6, #833ab4, #fd1d1d, #fcb045);
    --theme-grad-soft: linear-gradient(135deg, rgba(64,93,230,0.16), rgba(131,58,180,0.14), rgba(253,29,29,0.12), rgba(252,176,69,0.14));
    --theme-user-bubble: linear-gradient(135deg, #405de6, #833ab4, #fd1d1d, #fcb045);
    --theme-accent: #833ab4;
    --bubble-radius-bot: 22px 22px 22px 8px;
    --bubble-radius-user: 22px 22px 8px 22px;
}

html[data-theme="dark"] {
    --bg-body: #070a14;
    --chat-bg: rgba(11,16,30,0.18);
    --bubble-bot-bg: rgba(16,23,39,0.76);
    --bubble-bot-text: #e8ecf8;
    --bubble-shadow: 0 16px 32px rgba(0,0,0,0.28);
    --bubble-border: 1px solid rgba(255,255,255,0.12);
    --bot-action-bg: rgba(20,27,42,0.86);
    --text-muted: rgba(228,232,245,0.68);
    --input-bg: rgba(11,18,32,0.76);
    --input-border: 1px solid rgba(255,255,255,0.08);
    --rating-star: rgba(255,255,255,0.24);
    --header-bg: rgba(7,12,23,0.28);
    --header-border: rgba(255,255,255,0.08);
    --chip-bg: rgba(17,24,39,0.70);
    --chip-border: 1px solid rgba(255,255,255,0.08);
    --chip-text: #eef2ff;
    --preview-bg: rgba(16,23,39,0.84);
    --preview-border: rgba(255,255,255,0.08);
    --preview-text: #eef2ff;
    --preview-desc: rgba(231,236,246,0.70);
    --preview-domain: #f0b7ff;
    --ts-color: rgba(231,236,246,0.54);
    --ts-user-color: rgba(255,255,255,0.74);
    --surface-shadow: 0 16px 44px rgba(0,0,0,0.32);
}

body.velai-page[data-ui-theme="instagram"] {
    --theme-grad-main: linear-gradient(135deg, #405de6, #833ab4, #c13584, #fd1d1d, #fcb045);
    --theme-grad-soft: linear-gradient(135deg, rgba(64,93,230,0.18), rgba(131,58,180,0.16), rgba(253,29,29,0.14), rgba(252,176,69,0.16));
    --theme-user-bubble: linear-gradient(135deg, #405de6, #833ab4, #fd1d1d, #fcb045);
    --theme-accent: #833ab4;
    --bubble-radius-bot: 24px 24px 24px 10px;
    --bubble-radius-user: 24px 24px 10px 24px;
}
body.velai-page[data-ui-theme="instagram"] .gradient-layer {
    background:
        radial-gradient(circle at 12% 20%, rgba(64,93,230,0.34) 0 10%, transparent 32%),
        radial-gradient(circle at 86% 14%, rgba(252,176,69,0.28) 0 10%, transparent 26%),
        radial-gradient(circle at 65% 78%, rgba(131,58,180,0.28) 0 11%, transparent 32%),
        radial-gradient(circle at 18% 88%, rgba(253,29,29,0.22) 0 8%, transparent 26%),
        linear-gradient(-45deg, #405de6, #833ab4, #fd1d1d, #fcb045);
    background-size: 220% 220%;
    animation: velaiGradientShift 18s ease-in-out infinite;
    opacity: 0.96;
}
body.velai-page[data-ui-theme="instagram"] .spheres-layer::before {
    content: '';
    position: absolute;
    inset: -10%;
    background:
        radial-gradient(circle at 18% 30%, rgba(255,255,255,0.18) 0 10px, transparent 11px),
        radial-gradient(circle at 76% 24%, rgba(255,255,255,0.12) 0 16px, transparent 17px),
        radial-gradient(circle at 34% 72%, rgba(255,255,255,0.10) 0 14px, transparent 15px),
        radial-gradient(circle at 82% 76%, rgba(255,255,255,0.08) 0 22px, transparent 23px);
    animation: velaiBubbleFloat 16s ease-in-out infinite alternate;
}
body.velai-page[data-ui-theme="instagram"] .spheres-layer::after {
    content: '';
    position: absolute;
    inset: -10%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Ccircle cx='60' cy='60' r='44' fill='none' stroke='rgba(255,255,255,0.10)' stroke-width='1.5'/%3E%3Ccircle cx='60' cy='60' r='28' fill='none' stroke='rgba(255,255,255,0.08)' stroke-width='1.5'/%3E%3Ccircle cx='60' cy='60' r='12' fill='none' stroke='rgba(255,255,255,0.10)' stroke-width='1.5'/%3E%3C/svg%3E");
    background-size: 240px 240px;
    background-repeat: repeat;
    animation: velaiSpinSlow 44s linear infinite;
    opacity: 0.5;
}

body.velai-page[data-ui-theme="ocean"] {
    --theme-grad-main: linear-gradient(135deg, #007cf0, #00c6ff);
    --theme-grad-soft: linear-gradient(135deg, rgba(0,124,240,0.12), rgba(38,208,206,0.12));
    --theme-user-bubble: linear-gradient(135deg, rgba(0,124,240,0.88), rgba(38,208,206,0.92));
    --theme-accent: #00c6ff;
    --bubble-bot-bg: rgba(0, 30, 60, 0.65);
    --bubble-bot-text: #e0f7fa;
    --bubble-user-text: #ffffff;
    --bubble-radius-bot: 18px 18px 18px 2px;
    --bubble-radius-user: 18px 18px 2px 18px;
    --bubble-border: 1px solid rgba(38,208,206,0.35);
    --bubble-shadow: 0 10px 30px rgba(0, 124, 240, 0.22);
    --input-radius: 16px;
    --input-border: 1px solid rgba(38,208,206,0.45);
    --input-bg: rgba(0, 20, 50, 0.56);
    --chat-bg: transparent;
    --header-bg: rgba(0, 15, 40, 0.82);
    --surface-blur: blur(20px);
    --message-font: 'Inter', sans-serif;
    --ts-color: #81d4fa;
    --ts-user-color: #e0f7fa;
    --chip-bg: rgba(0, 124, 240, 0.24);
    --chip-text: #e0f7fa;
    --chip-border: 1px solid rgba(38,208,206,0.45);
    --bot-action-bg: rgba(0, 30, 60, 0.78);
}
body.velai-page[data-ui-theme="ocean"] .gradient-layer {
    background: linear-gradient(180deg, #001f3f, #003366, #005b9f);
}
body.velai-page[data-ui-theme="ocean"] .spheres-layer::before {
    content: '';
    position: absolute;
    inset: -10%;
    background-image:
        radial-gradient(circle at 20% 100%, rgba(255,255,255,0.16) 4px, transparent 5px),
        radial-gradient(circle at 70% 100%, rgba(255,255,255,0.10) 6px, transparent 7px),
        radial-gradient(circle at 40% 100%, rgba(255,255,255,0.20) 3px, transparent 4px),
        radial-gradient(circle at 85% 100%, rgba(255,255,255,0.12) 5px, transparent 6px);
    background-size: 100px 100%, 150px 100%, 80px 100%, 120px 100%;
    animation: oceanBubbles 8s linear infinite;
}
body.velai-page[data-ui-theme="ocean"] .spheres-layer::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 20"><path d="M2,10 Q8,2 15,10 T28,10" fill="none" stroke="%2300c6ff" stroke-width="1.5" stroke-linecap="round"/><circle cx="24" cy="9" r="1.5" fill="%2300c6ff"/></svg>') repeat;
    opacity: 0.32;
    animation: fishSwim 20s linear infinite;
    pointer-events: none;
}
body.velai-page[data-ui-theme="ocean"] .msg-row.bot .bubble.bot {
    position: relative;
    --ocean-fish-on-bubble: block;
}
.msg-row.bot .bubble.bot::after {
    display: var(--ocean-fish-on-bubble, none);
    content: "🐟";
    position: absolute;
    top: -18px;
    right: 10px;
    font-size: 1.4rem;
    animation: fishRest 2s ease-in-out infinite alternate;
}
body.velai-page[data-ui-theme="ocean"] .typing-indicator {
    position: relative;
    --ocean-fish-typing: block;
}
.typing-indicator::after {
    display: var(--ocean-fish-typing, none);
    content: "🐠";
    position: absolute;
    right: -15px;
    bottom: -5px;
    font-size: 1.3rem;
    animation: fishTyping 1.5s ease-in-out infinite;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; height: -webkit-fill-available; }
body {
    height: 100%;
    min-height: -webkit-fill-available;
    overflow: hidden;
    font-family: var(--ui-font);
    background: var(--bg-body);
    color: var(--bubble-bot-text);
    transition: background 0.35s ease, color 0.35s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overscroll-behavior-y: none;
}
a { text-decoration: none; color: inherit; }
body.velai-page { --real-h: var(--real-vh, 100vh); }

.chat-app-shell {
    width: 100%;
    height: var(--real-vh, 100vh);
    max-height: var(--real-vh, 100vh);
    position: relative;
    overflow: hidden;
}

.animated-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}
.gradient-layer, .spheres-layer { position: absolute; inset: 0; }

.chat-container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    height: var(--real-vh, 100vh);
    max-height: var(--real-vh, 100vh);
    overflow: hidden;
    width: 100%;
    background: transparent;
}

.velai-header {
    background: var(--header-bg);
    backdrop-filter: var(--surface-blur);
    -webkit-backdrop-filter: var(--surface-blur);
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--surface-shadow);
    flex-shrink: 0;
    border-bottom: 1px solid var(--header-border);
    position: relative;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.velai-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--theme-grad-soft);
    opacity: 0.5;
    pointer-events: none;
}
.velai-header > * { position: relative; z-index: 1; }
.velai-header.header-hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}
.header-left {
    min-width: 0;
    display: flex;
    align-items: center;
}
.logo-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.velai-header .logo {
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--theme-grad-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.header-subtitle {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.74rem;
    color: var(--ts-color);
}
.public-live-badge, .role-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.18);
    border: var(--bubble-border);
    box-shadow: var(--global-shadow);
}
.user-name { font-weight: 700; }

.header-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.lang-toggle {
    display: flex;
    gap: 4px;
    background: rgba(255,255,255,0.14);
    padding: 4px;
    border-radius: 999px;
    border: var(--bubble-border);
    box-shadow: var(--global-shadow);
}
.lang-btn, .theme-chip-btn {
    padding: 5px 9px;
    border-radius: var(--input-radius);
    border: none;
    background: transparent;
    color: var(--chip-text);
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 700;
    transition: all 0.2s ease;
}
.lang-btn.active, .theme-chip-btn.active {
    background: var(--theme-grad-main);
    color: var(--bubble-user-text);
}
.theme-picker {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 3px;
    border-radius: 999px;
    background: rgba(255,255,255,0.10);
    border: var(--bubble-border);
    box-shadow: var(--global-shadow);
}
#themeToggle, .mic-btn, .logout-btn {
    width: 36px;
    height: 36px;
    border-radius: 14px;
    border: var(--bubble-border);
    background: rgba(255,255,255,0.18);
    color: var(--chip-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    box-shadow: var(--global-shadow);
}
#themeToggle:hover, .mic-btn:hover, .logout-btn:hover {
    transform: translateY(-2px) scale(1.04);
    background: var(--theme-grad-main);
    color: var(--bubble-user-text);
    border-color: transparent;
}
.mic-btn.recording {
    background: linear-gradient(135deg, #ff3e6c, #ff6f61);
    color: white;
    border-color: transparent;
    animation: pulseMic 1s infinite;
}

.chat-area {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 14px 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
    font-family: var(--message-font);
    -webkit-overflow-scrolling: touch;
    background: var(--chat-bg);
    transition: background 0.35s ease;
}
.chat-area::-webkit-scrollbar { width: 5px; }
.chat-area::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.25); border-radius: 999px; }

.msg-row {
    display: flex;
    gap: 8px;
    max-width: 85%;
    animation: fadeUp 0.3s ease;
}
.msg-row.bot { align-self: flex-start; }
.msg-row.user { align-self: flex-end; flex-direction: row-reverse; }

.bot-avatar {
    width: 32px;
    height: 32px;
    border-radius: 14px;
    background: var(--theme-grad-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: var(--global-shadow);
    color: var(--bubble-user-text);
}

.bubble {
    max-width: 100%;
    padding: 12px 14px;
    line-height: 1.6;
    box-shadow: var(--bubble-shadow);
    border: var(--bubble-border);
    word-break: break-word;
    overflow-wrap: anywhere;
    font-size: 0.96rem;
}
.bubble.bot {
    background: var(--bubble-bot-bg);
    color: var(--bubble-bot-text);
    border-radius: var(--bubble-radius-bot);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.bubble.user {
    background: var(--theme-user-bubble);
    color: var(--bubble-user-text);
    border-radius: var(--bubble-radius-user);
}
.bubble strong { font-weight: 700; }
.bubble em { font-style: italic; }
.bubble code {
    background: rgba(128,128,128,0.18);
    padding: 2px 6px;
    border-radius: 6px;
    font-family: Consolas, Monaco, monospace;
    font-size: 0.9em;
}
.ts {
    font-size: 0.7rem;
    color: var(--ts-color);
    margin-top: 3px;
    padding-left: 4px;
    font-family: var(--ui-font);
}
.msg-row.user .ts {
    color: var(--ts-user-color);
    text-align: right;
    padding-right: 4px;
}

.bot-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 6px;
}
.bot-action-btn {
    width: 28px;
    height: 28px;
    border-radius: 12px;
    border: var(--bubble-border);
    background: var(--bot-action-bg);
    color: var(--theme-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 0.9rem;
    box-shadow: var(--global-shadow);
}
.bot-action-btn:hover {
    transform: translateY(-1px);
    background: var(--theme-grad-main);
    color: var(--bubble-user-text);
    border-color: transparent;
}
.rating-bar {
    display: inline-flex;
    gap: 2px;
    padding: 2px 5px;
    border-radius: 12px;
    background: rgba(255,255,255,0.15);
    border: var(--bubble-border);
}
.star {
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--rating-star);
    transition: transform 0.1s ease, color 0.1s ease;
    user-select: none;
}
.star:hover, .star.active {
    color: var(--rating-star-active);
    transform: scale(1.1);
}

.link-preview {
    margin-top: 8px;
    display: flex;
    align-items: stretch;
    gap: 10px;
    width: 100%;
    min-width: 220px;
    max-width: 400px;
    border-radius: 16px;
    background: var(--preview-bg);
    border: 1px solid var(--preview-border);
    padding: 8px;
    box-shadow: var(--global-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}
.user-preview { margin-left: auto; }
.preview-img-wrap {
    width: 70px;
    min-width: 70px;
    height: 70px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    background: rgba(255,255,255,0.25);
}
.preview-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.preview-favicon {
    position: absolute;
    right: 5px;
    bottom: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    padding: 2px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.12);
}
.preview-text {
    flex: 1;
    min-width: 0;
    font-family: var(--ui-font);
}
.preview-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--preview-text);
    line-height: 1.3;
    margin-bottom: 4px;
}
.preview-desc {
    font-size: 0.78rem;
    color: var(--preview-desc);
    line-height: 1.35;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}
.preview-domain {
    font-size: 0.72rem;
    color: var(--preview-domain);
    font-weight: 700;
}

.suggestions-wrapper {
    flex-shrink: 0;
    padding: 6px 10px 4px;
    background: transparent;
}
.suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 11px;
    border-radius: 999px;
    border: var(--chip-border);
    background: var(--chip-bg);
    color: var(--chip-text);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
    font-family: var(--ui-font);
    box-shadow: var(--global-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.2s ease;
}
.chip:hover {
    transform: translateY(-2px) scale(1.02);
    background: var(--theme-grad-main);
    color: var(--bubble-user-text);
    border-color: transparent;
}

.input-bar {
    flex-shrink: 0;
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,0.08);
    backdrop-filter: var(--surface-blur);
    -webkit-backdrop-filter: var(--surface-blur);
    border-top: 1px solid rgba(255,255,255,0.12);
}
.input-wrap {
    flex: 1;
    background: var(--input-bg);
    border: var(--input-border);
    border-radius: var(--input-radius);
    padding: 8px 12px;
    box-shadow: var(--global-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.msg-input {
    width: 100%;
    min-height: 22px;
    max-height: 120px;
    resize: none;
    border: none;
    background: transparent;
    outline: none;
    color: var(--bubble-bot-text);
    font-size: 0.95rem;
    line-height: 1.4;
    font-family: var(--ui-font);
}
.msg-input::placeholder { color: var(--text-muted); }
.send-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 16px;
    background: var(--theme-grad-main);
    color: var(--bubble-user-text);
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--global-shadow);
    transition: transform 0.15s ease, opacity 0.15s ease;
}
.send-btn:hover { transform: translateY(-2px) scale(1.03); }
.send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-width: 60px;
    position: relative;
}
.typing-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--theme-accent);
    animation: typingBounce 1.1s infinite ease-in-out;
}
.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.30s; }

@keyframes velaiGradientShift { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }
@keyframes velaiBubbleFloat { 0%{transform:translate3d(-2%,2%,0) scale(1)} 50%{transform:translate3d(2%,-3%,0) scale(1.05)} 100%{transform:translate3d(-1%,1%,0) scale(1)} }
@keyframes velaiSpinSlow { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
@keyframes oceanBubbles { 0%{background-position:0 100%,0 100%,0 100%,0 100%} 100%{background-position:0 -150%,0 -150%,0 -150%,0 -150%} }
@keyframes typingBounce { 0%,80%,100%{transform:translateY(0);opacity:0.35} 40%{transform:translateY(-4px);opacity:1} }
@keyframes fishSwim { 0% { transform: translate(-10%, -10%) rotate(0deg); } 100% { transform: translate(10%, 10%) rotate(360deg); } }
@keyframes fishRest { 0% { transform: translateY(0); } 100% { transform: translateY(-4px); } }
@keyframes fishTyping { 0% { transform: translateX(0); } 50% { transform: translateX(8px) rotate(10deg); } 100% { transform: translateX(0); } }
to { transform: translateY(-10px); } }
100% { transform: translateY(-15px) scale(1.05); } }
@keyframes fadeUp { from { opacity:0; transform: translateY(10px); } to { opacity:1; transform: translateY(0); } }
@keyframes pulseMic { 0%,100% { box-shadow: 0 0 0 0 rgba(255,62,108,0.4); } 50% { box-shadow: 0 0 0 8px rgba(255,62,108,0); } }

@media (max-width: 860px) {
    input.msg-input, textarea.msg-input { font-size: 16px !important; }
}
@media (max-width: 760px) {
    .velai-header { padding: 8px; }
    .header-subtitle { display: none; }
    .theme-picker { overflow-x: auto; max-width: 180px; }
}
@media (max-width: 640px) {
    .velai-header { padding: 6px 8px; }
    .velai-header .logo { font-size: 1.18rem; }
    .header-right { gap: 4px; }
    .lang-btn, .theme-chip-btn { font-size: 0.65rem; padding: 4px 6px; }
    #themeToggle, .mic-btn, .logout-btn { width: 30px; height: 30px; font-size: 0.9rem; }
    .chat-area { padding: 10px 8px 8px; }
    .msg-row { max-width: 92%; }
}
@media (max-width: 480px) {
    .send-btn { width: 40px; height: 40px; font-size: 1rem; }
    .bubble { font-size: 0.92rem; padding: 10px 13px; }
    .bot-avatar { width: 28px; height: 28px; font-size: 0.9rem; }
    .theme-picker { max-width: 150px; }
}
@media (prefers-reduced-motion: reduce) {
    .gradient-layer, .spheres-layer::before, .spheres-layer::after, .typing-dot, .mic-btn.recording { animation: none !important; }
    .theme-chip-btn, .chip, .send-btn, .bubble, .link-preview, .bot-action-btn, #themeToggle, .mic-btn, .logout-btn, .lang-btn { transition: none !important; }
}