@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=Rajdhani:wght@500;700&display=swap');

:root {
    --bg-color: #030305;
    --text-color: #e0e0e0;
    --primary-color: #00e5ff;
    --accent-color: rgba(0, 229, 255, 0.1);
    --glow-color: rgba(0, 229, 255, 0.4);
    --font-main: 'Inter', sans-serif;
    --font-display: 'Rajdhani', sans-serif;
}

/* Personality Themes */
body.theme-jarvis {
    --primary-color: #ff2a2a; 
    --accent-color: rgba(255, 42, 42, 0.1);
    --glow-color: rgba(255, 42, 42, 0.5);
    --bg-color: #0a0202;
}

body.theme-siya {
    --primary-color: #ff3385;
    --accent-color: rgba(255, 51, 133, 0.1);
    --glow-color: rgba(255, 51, 133, 0.5);
    --bg-color: #0d0206;
}

body.theme-golu {
    --primary-color: #ff9900;
    --accent-color: rgba(255, 153, 0, 0.1);
    --glow-color: rgba(255, 153, 0, 0.5);
    --bg-color: #0d0801;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(255, 255, 255, 0.03), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 255, 255, 0.03), transparent 25%);
    color: var(--text-color);
    font-family: var(--font-main);
    overflow: hidden;
    transition: background-color 1s ease;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Dynamic Glow Overlay */
.bg-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 50%, var(--accent-color) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
    transition: background 1s ease;
}

/* Header UI */
header {
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 15, 0.4);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 100;
}

.logo {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 15px var(--glow-color);
    letter-spacing: 4px;
}

.personality-selector {
    display: flex;
    gap: 15px;
}

.btn-personality {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #888;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    transition: all 0.4s ease;
}

.btn-personality.active {
    background: var(--accent-color);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 0 20px var(--accent-color);
}

/* Main Layout */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
}

/* Premium Avatar Display */
.avatar-container {
    position: relative;
    width: 45vh; 
    height: 45vh;
    max-width: 500px;
    max-height: 500px;
    min-width: 280px;
    min-height: 280px;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Composite live movement */
    animation: 
        breathing 4s ease-in-out infinite,
        floating 6s ease-in-out infinite;
}

.avatar-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.05);
    border-top: 3px solid var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    animation: rotate 15s linear infinite;
    box-shadow: 0 0 40px var(--accent-color);
    filter: blur(1px);
}

.avatar-ring.inner {
    width: 88%;
    height: 88%;
    border: 2px dashed var(--primary-color);
    border-top: none;
    border-bottom: none;
    animation: rotate-reverse 20s linear infinite;
    opacity: 0.6;
}

/* Expression Glow Layers */
.avatar-container::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    animation: heartbeat 2s infinite;
    pointer-events: none;
}

.avatar-image {
    width: 82%;
    height: 82%;
    border-radius: 50%;
    object-fit: cover;
    z-index: 10;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 60px var(--glow-color);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    /* Subtle head-bob simulation */
    animation: subtleBob 5s ease-in-out infinite;
}

/* Talking/Expressing State */
.avatar-image.listening {
    transform: translateY(-5px);
    box-shadow: 0 0 120px var(--primary-color);
    filter: brightness(1.2) contrast(1.1);
    animation: speakingShake 0.15s infinite; /* Mouth/Face movement simulation */
}

/* Specific Character Expressions via Filters */
body.theme-jarvis .avatar-image.listening {
    filter: brightness(1.3) sepia(0.3) hue-rotate(-10deg);
}

body.theme-siya .avatar-image.listening {
    filter: brightness(1.2) saturate(1.4) contrast(1.1);
}

/* Voice Controls */
.voice-controls {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    z-index: 50;
}

#status-text {
    color: var(--primary-color);
    font-family: var(--font-display);
    font-size: 18px;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-shadow: 0 0 10px var(--primary-color);
    text-align: center;
    min-height: 24px;
}

.btn-mic {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(0,0,0,0.6);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 30px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px var(--accent-color);
    transition: all 0.3s ease;
    position: relative;
}

.btn-mic:hover {
    transform: scale(1.1);
    background: rgba(255,255,255,0.05);
    box-shadow: 0 0 40px var(--primary-color);
}

.btn-mic.listening {
    animation: ripple 1s infinite;
    background: var(--primary-color);
    color: #000;
}

/* Advanced Animations */
@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes subtleBob {
    0%, 100% { transform: rotate(-1deg); }
    50% { transform: rotate(1deg); }
}

@keyframes heartbeat {
    0% { transform: scale(0.8); opacity: 0.1; }
    50% { transform: scale(1.1); opacity: 0.2; }
    100% { transform: scale(0.8); opacity: 0.1; }
}

@keyframes speakingShake {
    0% { transform: translateX(0); }
    25% { transform: translateX(1px) translateY(-1px); }
    50% { transform: translateX(-1px) translateY(1px); }
    75% { transform: translateX(1px); }
    100% { transform: translateX(0); }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes rotate-reverse {
    0% { transform: rotate(360deg); }
    100% { transform: rotate(0deg); }
}

@keyframes ripple {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4), 0 0 20px var(--primary-color); }
    70% { box-shadow: 0 0 0 40px rgba(255, 255, 255, 0), 0 0 50px var(--primary-color); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0), 0 0 20px var(--primary-color); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    .logo { font-size: 22px; }
    .personality-selector { width: 100%; justify-content: space-around; }
    .avatar-container { width: 65vw; height: 65vw; }
    .btn-mic { width: 70px; height: 70px; font-size: 24px; }
}

/* Dynamic Emotions */
.avatar-image.listening.emotion-happy {
    filter: brightness(1.3) contrast(1.2) saturate(1.5);
    animation: bounceHappy 0.4s infinite alternate;
}

.avatar-image.listening.emotion-sad {
    filter: grayscale(0.5) brightness(0.7) sepia(0.2) hue-rotate(200deg);
    animation: droopSad 2s infinite alternate;
}

.avatar-image.listening.emotion-cry {
    filter: grayscale(0.7) brightness(0.6) blur(1px) hue-rotate(220deg);
    animation: shakeCry 0.5s infinite;
}

.avatar-image.listening.emotion-angry {
    filter: brightness(0.9) contrast(1.5) saturate(2) hue-rotate(-20deg); /* Reddish tint */
    animation: shakeAngry 0.1s infinite;
    box-shadow: 0 0 150px #ff0000;
}

.avatar-image.listening.emotion-love {
    filter: brightness(1.2) saturate(2) hue-rotate(320deg); /* Pinkish/warm tint */
    animation: heartbeatLove 1s infinite;
    box-shadow: 0 0 100px #ff3385;
}

.avatar-image.listening.emotion-joke {
    filter: hue-rotate(90deg) brightness(1.2);
    animation: tiltJoke 0.5s infinite alternate;
}

/* Emotion Animations */
@keyframes bounceHappy {
    from { transform: translateY(0) scale(1.05); }
    to { transform: translateY(-15px) scale(1.1); }
}

@keyframes droopSad {
    from { transform: translateY(5px) scale(0.95); }
    to { transform: translateY(15px) scale(0.9); }
}

@keyframes shakeCry {
    0% { transform: translateY(10px) translateX(0); }
    50% { transform: translateY(12px) translateX(-2px); }
    100% { transform: translateY(10px) translateX(2px); }
}

@keyframes shakeAngry {
    0% { transform: scale(1.1) translateX(0); }
    25% { transform: scale(1.1) translateX(-3px) translateY(2px); }
    50% { transform: scale(1.1) translateX(3px) translateY(-2px); }
    75% { transform: scale(1.1) translateX(-2px) translateY(-1px); }
    100% { transform: scale(1.1) translateX(2px) translateY(1px); }
}

@keyframes heartbeatLove {
    0% { transform: scale(1.05); }
    25% { transform: scale(1.15); }
    50% { transform: scale(1.05); }
    75% { transform: scale(1.15); }
    100% { transform: scale(1.05); }
}

@keyframes tiltJoke {
    from { transform: rotate(-5deg) scale(1.05); }
    to { transform: rotate(5deg) scale(1.05); }
}

@keyframes breathing {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}