/* ============================================
   RAGE AI - Premium Dark Mode Theme
   Mobile-First Design for Android WebView
   ============================================ */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --background-primary: #0F0F12;
    --background-secondary: #1A1A1F;
    --background-tertiary: #25252B;
    --neon-red: #FF2A4D;
    --neon-red-dark: #CC1F3A;
    --cyan-accent: #00D4FF;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A5;
    --text-muted: #6B6B70;
    --user-message: #FF2A4D;
    --ai-message: #1A1A1F;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-elegant: rgba(255, 42, 77, 0.15);
    --shadow-premium: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-neon: 0 0 30px rgba(255, 42, 77, 0.4);
    --shadow-cyan: 0 0 20px rgba(0, 212, 255, 0.2);
    --shadow-voluminous: 0 12px 40px rgba(0, 0, 0, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

/* ============================================
   HEADER - Premium Fixed Header
   ============================================ */

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, rgba(15, 15, 18, 0.98) 0%, rgba(15, 15, 18, 0.92) 100%);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    z-index: 1000;
    border-bottom: 1px solid var(--border-elegant);
    padding: 16px 20px;
    box-shadow: var(--shadow-voluminous), 0 0 60px rgba(255, 42, 77, 0.1);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.app-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--neon-red) 0%, var(--cyan-accent) 50%, var(--neon-red) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    filter: drop-shadow(0 0 20px rgba(255, 42, 77, 0.4));
}

.app-subtitle {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header-accent {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-red), var(--cyan-accent), var(--neon-red), transparent);
    border-radius: 2px;
    box-shadow: 0 0 15px rgba(255, 42, 77, 0.5);
}

/* ============================================
   CHAT CONTAINER
   ============================================ */

.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 100px 16px 120px;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

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

.chat-container::-webkit-scrollbar-track {
    background: transparent;
}

.chat-container::-webkit-scrollbar-thumb {
    background: var(--background-tertiary);
    border-radius: 4px;
}

/* Welcome Message */
.welcome-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
    animation: fadeInUp 0.6s ease-out;
}

.welcome-icon {
    font-size: 64px;
    margin-bottom: 20px;
    animation: bounce 2s ease-in-out infinite;
}

.welcome-message h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.welcome-message p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 8px;
    max-width: 320px;
}

.welcome-message .hint {
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
}

/* Message Bubbles */
.message {
    display: flex;
    margin-bottom: 20px;
    animation: fadeInUp 0.4s ease-out;
}

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

.message.ai {
    justify-content: flex-start;
}

.message-content {
    max-width: 85%;
    padding: 16px 20px;
    border-radius: 22px;
    font-size: 15px;
    line-height: 1.6;
    word-wrap: break-word;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.message.user .message-content {
    background: linear-gradient(135deg, var(--neon-red) 0%, var(--neon-red-dark) 50%, var(--neon-red) 100%);
    background-size: 200% auto;
    color: var(--text-primary);
    border: 1px solid rgba(255, 42, 77, 0.3);
    border-bottom-right-radius: 8px;
    box-shadow: var(--shadow-neon), 0 0 40px rgba(255, 42, 77, 0.2);
    animation: gradientShift 4s ease infinite;
}

.message.ai .message-content {
    background: linear-gradient(135deg, rgba(26, 26, 31, 0.95) 0%, rgba(37, 37, 43, 0.9) 100%);
    color: var(--text-primary);
    border: 1px solid var(--border-elegant);
    border-bottom-left-radius: 8px;
    box-shadow: var(--shadow-voluminous), 0 0 30px rgba(0, 212, 255, 0.05);
}

/* Markdown Styling in AI Messages */
.message.ai .message-content h1,
.message.ai .message-content h2,
.message.ai .message-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 12px 0 8px;
    color: var(--neon-red);
}

.message.ai .message-content h1:first-child,
.message.ai .message-content h2:first-child,
.message.ai .message-content h3:first-child {
    margin-top: 0;
}

.message.ai .message-content strong {
    color: var(--neon-red);
    font-weight: 600;
}

.message.ai .message-content em {
    color: var(--cyan-accent);
    font-style: italic;
}

.message.ai .message-content ul,
.message.ai .message-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.message.ai .message-content li {
    margin: 4px 0;
    color: var(--text-secondary);
}

.message.ai .message-content code {
    background: var(--background-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--cyan-accent);
}

.message.ai .message-content pre {
    background: var(--background-tertiary);
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
}

.message.ai .message-content pre code {
    background: none;
    padding: 0;
}

.message.ai .message-content blockquote {
    border-left: 3px solid var(--neon-red);
    padding-left: 12px;
    margin: 8px 0;
    color: var(--text-secondary);
    font-style: italic;
}

.message.ai .message-content a {
    color: var(--cyan-accent);
    text-decoration: none;
}

.message.ai .message-content a:hover {
    text-decoration: underline;
}

/* Speaker Button for Text-to-Speech */
.speaker-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-top: 10px;
    background: linear-gradient(135deg, var(--background-tertiary) 0%, var(--background-secondary) 100%);
    border: 1px solid var(--border-elegant);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.speaker-button:hover {
    background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background-tertiary) 100%);
    color: var(--neon-red);
    border-color: var(--neon-red);
    box-shadow: var(--shadow-neon);
    transform: translateY(-2px);
}

.speaker-button.speaking {
    background: linear-gradient(135deg, var(--neon-red) 0%, var(--neon-red-dark) 100%);
    color: var(--text-primary);
    border-color: var(--neon-red);
    animation: pulse 1s ease-in-out infinite;
    box-shadow: var(--shadow-neon), 0 0 25px rgba(255, 42, 77, 0.5);
}

.speaker-button svg {
    width: 16px;
    height: 16px;
}

/* Download Button for AI Messages */
.download-message-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-top: 8px;
    background: linear-gradient(135deg, var(--cyan-accent) 0%, #0099CC 50%, var(--cyan-accent) 100%);
    background-size: 200% auto;
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-radius: 10px;
    color: var(--background-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: gradientShift 4s ease infinite;
}

.download-message-button:hover {
    background: linear-gradient(135deg, #0099CC 0%, var(--cyan-accent) 50%, #0099CC 100%);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-2px);
}

.download-message-button:active {
    transform: scale(0.95);
}

.download-message-button svg {
    width: 16px;
    height: 16px;
}

/* Button container for AI messages */
.message-buttons {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    justify-content: flex-start;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--ai-message);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    border-bottom-left-radius: 6px;
    margin-bottom: 20px;
    animation: fadeInUp 0.3s ease-out;
    max-width: 120px;
}

.typing-indicator-text {
    font-size: 13px;
    color: var(--text-secondary);
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-red);
    border-radius: 50%;
    animation: typingPulse 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

/* ============================================
   INPUT AREA - Premium Footer
   ============================================ */

.input-area {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(15, 15, 18, 0.95) 30%, var(--background-primary) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 16px;
    z-index: 1000;
    border-top: 1px solid var(--border-elegant);
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    background: linear-gradient(135deg, rgba(26, 26, 31, 0.9) 0%, rgba(37, 37, 43, 0.85) 100%);
    border: 1px solid var(--border-elegant);
    border-radius: 26px;
    padding: 10px 14px;
    box-shadow: var(--shadow-voluminous), 0 0 30px rgba(255, 42, 77, 0.08);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.input-wrapper:focus-within {
    border-color: var(--neon-red);
    box-shadow: var(--shadow-neon), 0 0 40px rgba(255, 42, 77, 0.15);
}

/* Microphone Button */
.mic-button {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border: none;
    background: linear-gradient(135deg, var(--background-tertiary) 0%, var(--background-secondary) 100%);
    color: var(--text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.mic-button:hover {
    background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background-tertiary) 100%);
    color: var(--text-primary);
    border-color: var(--cyan-accent);
    box-shadow: var(--shadow-cyan);
    transform: scale(1.05);
}

.mic-button.listening {
    background: linear-gradient(135deg, var(--neon-red) 0%, var(--neon-red-dark) 100%);
    color: var(--text-primary);
    border-color: var(--neon-red);
    animation: pulse 1s ease-in-out infinite;
    box-shadow: var(--shadow-neon), 0 0 30px rgba(255, 42, 77, 0.5);
}

.mic-button svg {
    transition: transform 0.3s ease;
}

.mic-button:hover svg {
    transform: scale(1.1);
}

/* Message Input */
.message-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.5;
    resize: none;
    max-height: 120px;
    min-height: 28px;
    padding: 8px 0;
    font-family: inherit;
}

.message-input::placeholder {
    color: var(--text-muted);
}

.message-input:focus {
    outline: none;
}

/* Send Button */
.send-button {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border: none;
    background: linear-gradient(135deg, var(--neon-red) 0%, var(--neon-red-dark) 50%, var(--neon-red) 100%);
    background-size: 200% auto;
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-neon);
    animation: gradientShift 4s ease infinite;
    border: 1px solid rgba(255, 42, 77, 0.3);
}

.send-button:hover {
    transform: scale(1.08);
    box-shadow: 0 0 40px rgba(255, 42, 77, 0.6);
}

.send-button:active {
    transform: scale(0.95);
}

.send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    animation: none;
}

.send-button svg {
    transition: transform 0.3s ease;
}

.send-button:hover svg {
    transform: translateX(2px);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes typingPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 42, 77, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(255, 42, 77, 0);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (min-width: 768px) {
    .chat-container {
        max-width: 800px;
        margin: 0 auto;
    }

    .message-content {
        max-width: 70%;
    }
}

/* Safe Area for iOS */
@supports (padding: max(0px)) {
    .input-area {
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }
    
    .app-header {
        padding-top: max(16px, env(safe-area-inset-top));
    }
}