:root {
    --primary: #00D4FF;
    --primary-dark: #00A8CC;
    --secondary: #6366F1;
    --accent: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --success: #10B981;
    
    --bg-primary: #0A0A0F;
    --bg-secondary: #1A1A2E;
    --bg-tertiary: #16213E;
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --border-color: #374151;
    
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 5rem; /* New larger spacing */
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

body.light-mode {
    --bg-primary: #F8FAFC;
    --bg-secondary: #F1F5F9;
    --bg-tertiary: #E2E8F0;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --border-color: #CBD5E1;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

header {
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: var(--space-xl);
}

h1 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    position: relative;
    letter-spacing: -0.025em;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

.theme-toggle {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--primary);
    font-size: var(--font-size-lg);
    z-index: 100;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(180deg);
    box-shadow: var(--shadow-lg);
    background: var(--primary);
    color: var(--bg-primary);
}

.back-btn {
    position: absolute;
    left: var(--space-lg);
    top: var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--primary);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-xl);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    font-size: var(--font-size-base);
    z-index: 101;
}

.back-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: var(--primary);
    color: var(--bg-primary);
}

.back-btn i {
    font-size: var(--font-size-lg);
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 var(--space-lg);
    max-width: 1800px; /* Increased max-width for wider layout */
    margin: 0 auto;
    width: 100%;
}

.dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl); /* Further increased gap for more space */
    width: 100%;
    padding: var(--space-lg);
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-4xl); /* Further increased padding for more inner space */
    box-shadow: var(--shadow-xl);
    min-height: 550px; /* Slightly increased min-height */
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0.02;
    pointer-events: none;
}

.card h2 {
    margin: 0 0 var(--space-xl) 0;
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: var(--space-md);
}

.conversation {
    flex: 1;
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    overflow-y: auto;
    min-height: 400px; /* Further increased min-height */
    max-height: 450px; /* Further increased max-height */
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    scrollbar-width: thin;
    scrollbar-color: var(--primary) transparent;
}

.conversation::-webkit-scrollbar {
    width: 6px;
}

.conversation::-webkit-scrollbar-track {
    background: transparent;
}

.conversation::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
}

.conversation::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.conversation div {
    max-width: 80%;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-sm);
    position: relative;
    word-break: break-word;
    animation: slideIn 0.3s ease-out;
}

.conversation div.user-message {
    background: var(--primary);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: var(--radius-sm);
}

.conversation div.bot-message {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    margin-right: auto;
    border-bottom-left-radius: var(--radius-sm);
}

.typing-indicator {
    display: none;
    max-width: 80px;
    padding: 12px 16px;
    border-radius: 18px 18px 18px 4px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    margin-right: auto;
    margin-bottom: 8px;
    position: relative;
}

.typing-indicator.active {
    display: flex;
    gap: 4px;
    align-items: center;
}

.typing-indicator.active::after {
    content: '...';
    display: inline-block;
    width: 40px;
    animation: typingDots 1.5s infinite steps(4, end);
}

@keyframes typingDots {
    0% { content: '.'; }
    33% { content: '..'; }
    66% { content: '...'; }
    100% { content: '...'; }
}

.typing-indicator span {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

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

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

@keyframes bounce {
    0%, 60%, 100% { 
        transform: translateY(0); 
        opacity: 0.6;
    }
    30% { 
        transform: translateY(-5px); 
        opacity: 1;
    }
}

#textInput::-webkit-scrollbar {
    width: 8px;
    background-color: transparent;
}

#textInput::-webkit-scrollbar-thumb {
    background-color: var(--primary);
    border-radius: 4px;
}

#textInput::-webkit-scrollbar-thumb:hover {
    background-color: var(--primary-dark);
}

.input-area {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
}

.input-row {
    display: flex;
    gap: var(--space-md);
    width: 100%;
}

#textInput {
    flex: 1;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    resize: none;
    outline: none;
    transition: all 0.3s ease;
    min-height: 60px;
    max-height: 150px;
}

#textInput::placeholder {
    color: var(--text-secondary);
}

#textInput:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

button:not(.back-btn):not(.theme-toggle) {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    min-height: 48px;
    position: relative;
    overflow: hidden;
}

button:not(.back-btn):not(.theme-toggle)::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

button:not(.back-btn):not(.theme-toggle):hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

button:not(.back-btn):not(.theme-toggle):hover::before {
    opacity: 0.1;
}

button:not(.back-btn):not(.theme-toggle):active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

#sendTextButton,
#micButton {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-primary);
    border: none;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

#sendTextButton::before,
#micButton::before {
    display: none;
}

#sendTextButton:hover,
#micButton:hover {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

#sendTextButton:disabled,
#micButton:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-sm);
}

.button-row {
    display: flex;
    gap: var(--space-md);
    width: 100%;
}

.button-row button {
    flex: 1;
}

#clearChatButton {
    background: linear-gradient(135deg, var(--error) 0%, #DC2626 100%);
    color: white;
    border: none;
}

#clearChatButton:hover {
    background: linear-gradient(135deg, #DC2626 0%, var(--error) 100%);
}

#clearChatButton::before {
    display: none;
}

.char-counter {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-align: right;
    margin-top: -var(--space-sm);
    margin-bottom: var(--space-sm);
    transition: color 0.3s ease;
}

.char-counter.warning {
    color: var(--warning);
}

.char-counter.error {
    color: var(--error);
}

.status-info {
    margin-top: var(--space-xl);
    padding: var(--space-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.card .status-info:nth-of-type(2) {
    margin-top: var(--space-2xl);
}

.status-info h2 {
    margin: 0 0 var(--space-lg) 0;
    font-size: var(--font-size-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: var(--space-sm);
}

#systemStatus div {
    padding: var(--space-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

#systemStatus span {
    font-weight: 600;
    color: var(--text-primary);
}

.weather-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

#weather {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

#refreshWeather {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
}

#refreshWeather:hover {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

#refreshWeather.clicked i {
    animation: spin 0.5s ease-in-out;
}

#imageContainer {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-md);
    margin: var(--space-md) 0;
    text-align: center;
}

#downloadImageButton {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    margin-top: var(--space-sm);
}

#downloadImageButton:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

#generatedImage {
    max-width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.clock {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
    font-variant-numeric: tabular-nums;
    z-index: 50;
}

.loader {
    width: 32px;
    height: 32px;
    border: 3px solid transparent;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--space-lg) auto;
    display: none;
}

@media (max-width: 1200px) {
    .dashboard {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .card {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem; /* Adjusted for smaller screens */
    }
    
    header {
        padding: var(--space-xl) var(--space-lg);
    }
    
    .theme-toggle,
    .back-btn {
        top: var(--space-md);
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }
    
    .theme-toggle {
        right: var(--space-md);
    }
    
    .back-btn {
        left: var(--space-md);
        padding: var(--space-sm) var(--space-md);
    }
    
    .dashboard {
        padding: var(--space-md);
        gap: var(--space-lg);
    }
    
    .card {
        padding: var(--space-xl);
        min-height: 350px;
    }
    
    .conversation {
        min-height: 200px;
        max-height: 250px;
        padding: var(--space-md);
    }
    
    .clock {
        bottom: var(--space-md);
        right: var(--space-md);
        font-size: var(--font-size-base);
        padding: var(--space-sm) var(--space-md);
    }
}

@media (max-width: 480px) {
    .card {
        padding: var(--space-lg);
        min-height: 300px;
    }
    
    .conversation {
        min-height: 150px;
        max-height: 200px;
        padding: var(--space-sm);
    }
    
    .conversation div {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-xs);
    }
    
    #textInput {
        min-height: 48px;
        padding: var(--space-md);
        font-size: var(--font-size-sm);
    }
    
    button:not(.back-btn):not(.theme-toggle) {
        padding: var(--space-md);
        font-size: var(--font-size-sm);
        min-height: 44px;
    }
    
    .status-info {
        padding: var(--space-lg);
    }
    
    #systemStatus div {
        font-size: var(--font-size-xs);
    }
    
    .button-row {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .button-row button {
        flex: none;
    }
}

@media (max-width: 360px) {
    .back-btn span {
        display: none;
    }
    
    .clock {
        font-size: var(--font-size-sm);
        padding: var(--space-xs) var(--space-sm);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse-glow {
    from {
        transform: translateX(-50%) scaleX(1);
        opacity: 1;
    }
    to {
        transform: translateX(-50%) scaleX(1.1);
        opacity: 0.8;
    }
}

@keyframes pulse-typing {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }

*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.typing-indicator {
    display: none;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--primary);
    color: var(--primary);
    font-style: italic;
    font-size: var(--font-size-sm);
}

.typing-indicator.active {
    display: block;
    animation: pulse-typing 1.5s infinite;
}

.typing-indicator.active::after {
    content: '...';
    display: inline-block;
    width: 1em;
    animation: ellipsis 1.5s infinite;
}

@keyframes ellipsis {
    0% { content: '.'; }
    33% { content: '..'; }
    66% { content: '...'; }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}