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

:root {
    --primary-cyan: #00d4ff;
    --secondary-blue: #0066ff;
    --dark-bg: #0a0e27;
    --glass-bg: rgba(10, 14, 39, 0.7);
    --glass-border: rgba(0, 212, 255, 0.3);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.5);
    --glow-blue: 0 0 30px rgba(0, 102, 255, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.app-container {
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow: hidden;
}

/* HUD Grid Background */
.hud-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* Header */
.hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    z-index: 10;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--primary-cyan);
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-cyan);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: var(--glow-cyan);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.app-title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.time-display {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

/* Arc Reactor */
.arc-reactor-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px 0;
    position: relative;
    z-index: 5;
}

.arc-reactor {
    position: relative;
    width: 180px;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.reactor-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--primary-cyan);
    animation: rotate 20s linear infinite;
}

.reactor-ring.outer {
    width: 100%;
    height: 100%;
    border-style: dashed;
    opacity: 0.3;
}

.reactor-ring.middle {
    width: 75%;
    height: 75%;
    border-width: 3px;
    opacity: 0.6;
    animation-direction: reverse;
    animation-duration: 15s;
}

.reactor-ring.inner {
    width: 50%;
    height: 50%;
    border-width: 4px;
    opacity: 0.9;
    animation-duration: 10s;
    box-shadow: var(--glow-cyan);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.reactor-core {
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, var(--primary-cyan), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--glow-cyan), var(--glow-blue);
    animation: corePulse 3s ease-in-out infinite;
}

@keyframes corePulse {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.05); opacity: 1; }
}

.voice-wave {
    width: 60%;
    height: 2px;
    background: var(--primary-cyan);
    position: relative;
    opacity: 0;
    transition: opacity 0.3s;
}

.voice-wave.active {
    opacity: 1;
    animation: wave 1s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(3); }
}

.reactor-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2), transparent);
    border-radius: 50%;
    pointer-events: none;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

/* Speaker Badge */
.speaker-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    margin: 0 auto 20px;
    font-size: 12px;
    z-index: 10;
}

.speaker-icon {
    font-size: 14px;
}

.speaker-name {
    color: var(--primary-cyan);
    font-weight: 500;
}

/* Chat Container */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px 0;
    z-index: 10;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-cyan) transparent;
}

.chat-container::-webkit-scrollbar {
    width: 4px;
}

.chat-container::-webkit-scrollbar-thumb {
    background: var(--primary-cyan);
    border-radius: 2px;
}

.welcome-message {
    text-align: center;
    padding: 40px 20px;
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.welcome-text {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-sub {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 300;
}

.chat-message {
    margin-bottom: 16px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-user {
    display: flex;
    justify-content: flex-end;
}

.message-jarvis {
    display: flex;
    justify-content: flex-start;
}

.message-bubble {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.message-user .message-bubble {
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-cyan));
    border-bottom-right-radius: 4px;
}

.message-jarvis .message-bubble {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-bottom-left-radius: 4px;
}

.message-link {
    color: var(--primary-cyan);
    text-decoration: none;
    font-weight: 500;
}

.message-link:hover {
    text-decoration: underline;
}

/* Input Area */
.input-container {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 16px 0;
    z-index: 10;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.hud-input {
    width: 100%;
    padding: 14px 50px 14px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all 0.3s;
}

.hud-input:focus {
    border-color: var(--primary-cyan);
    box-shadow: var(--glow-cyan);
}

.hud-input::placeholder {
    color: var(--text-secondary);
}

.send-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-cyan));
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.send-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--glow-cyan);
}

.send-btn svg {
    width: 18px;
    height: 18px;
    stroke: white;
    stroke-width: 2;
}

.voice-btn {
    width: 56px;
    height: 56px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    flex-shrink: 0;
}

.voice-btn:hover {
    border-color: var(--primary-cyan);
    box-shadow: var(--glow-cyan);
}

.voice-btn.recording {
    background: linear-gradient(135deg, #ff0066, #ff3366);
    border-color: #ff0066;
    animation: recordPulse 1.5s infinite;
}

@keyframes recordPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 0, 102, 0.7); }
    50% { box-shadow: 0 0 0 15px rgba(255, 0, 102, 0); }
}

.voice-btn-inner svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary-cyan);
    stroke-width: 2;
}

.voice-btn.recording .voice-btn-inner svg {
    stroke: white;
}

/* HUD Corners */
.hud-corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-cyan);
    opacity: 0.5;
    z-index: 1;
}

.hud-corner.top-left {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.hud-corner.top-right {
    top: 20px;
    right: 20px;
    border-left: none;
    border-bottom: none;
}

.hud-corner.bottom-left {
    bottom: 20px;
    left: 20px;
    border-right: none;
    border-top: none;
}

.hud-corner.bottom-right {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

/* Loading Animation */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-cyan);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Responsive */
@media (max-height: 700px) {
    .arc-reactor {
        width: 140px;
        height: 140px;
    }
    
    .welcome-message {
        padding: 20px;
    }
    
    .welcome-text {
        font-size: 20px;
    }
}