/* ApixBot.ai - Dark Romance Theme */
/* Wine Red, Charcoal Black, Cream White with Texture */

:root {
    /* Core Palette - Dark Romance */
    --wine-red: #722F37;
    --wine-dark: #4A1C24;
    --wine-light: #9B4D5C;
    --charcoal: #1A1A1A;
    --charcoal-light: #2D2D2D;
    --charcoal-lighter: #3D3D3D;
    --cream: #F5F0EB;
    --cream-dark: #E8E0D8;
    --cream-darker: #D4C8BC;
    --accent-gold: #C9A87C;
    --accent-rose: #B76E79;
    --text-primary: #F5F0EB;
    --text-secondary: #B8B0A8;
    --text-muted: #8A827A;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(114, 47, 55, 0.3);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--charcoal);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Texture Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 9999;
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Auth Screen */
.auth-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--charcoal) 0%, var(--wine-dark) 100%);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.auth-screen::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(114, 47, 55, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1100px;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(114, 47, 55, 0.1);
    border: 1px solid rgba(114, 47, 55, 0.2);
    backdrop-filter: blur(10px);
}

.auth-left {
    padding: var(--space-3xl);
    background: linear-gradient(180deg, rgba(114, 47, 55, 0.1) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.auth-left::after {
    content: '';
    position: absolute;
    right: 0;
    top: 10%;
    bottom: 10%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--wine-red), transparent);
}

.brand-mark {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--wine-light);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xl);
    text-transform: uppercase;
}

.auth-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--cream) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.feature-icon {
    color: var(--wine-light);
    font-size: 0.8rem;
}

.auth-right {
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--charcoal-lighter);
    padding-bottom: var(--space-sm);
}

.auth-tab {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.auth-tab.active {
    color: var(--cream);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--wine-red);
    border-radius: 2px;
}

.auth-form {
    display: none;
    flex-direction: column;
    gap: var(--space-lg);
}

.auth-form.active {
    display: flex;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input {
    background: var(--charcoal-light);
    border: 1px solid var(--charcoal-lighter);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--wine-red);
    box-shadow: 0 0 0 3px rgba(114, 47, 55, 0.2);
}

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

.input-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.auth-btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.auth-btn.primary {
    background: linear-gradient(135deg, var(--wine-red) 0%, var(--wine-dark) 100%);
    color: var(--cream);
    margin-top: var(--space-sm);
}

.auth-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.auth-btn.secondary {
    background: transparent;
    border: 1px solid var(--charcoal-lighter);
    color: var(--text-secondary);
}

.auth-btn.secondary:hover {
    border-color: var(--wine-red);
    color: var(--cream);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--space-lg) 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--charcoal-lighter);
}

.auth-divider span {
    padding: 0 var(--space-md);
}

.auth-error {
    color: var(--accent-rose);
    font-size: 0.875rem;
    text-align: center;
    min-height: 1.5rem;
}

.guest-notice {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
}

/* Main App Screen */
.main-screen {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--charcoal);
    border-right: 1px solid var(--charcoal-lighter);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--charcoal-lighter);
}

.sidebar-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--wine-light);
    letter-spacing: 0.05em;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    display: none;
}

.sidebar-user {
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-bottom: 1px solid var(--charcoal-lighter);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--wine-red) 0%, var(--wine-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--cream);
    font-size: 1rem;
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.user-status {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.new-chat-btn {
    margin: var(--space-lg);
    padding: var(--space-md);
    background: var(--wine-red);
    border: none;
    border-radius: 12px;
    color: var(--cream);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--transition-fast);
}

.new-chat-btn:hover {
    background: var(--wine-light);
    transform: translateY(-1px);
}

.new-chat-btn span {
    font-size: 1.25rem;
    line-height: 1;
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md) 0;
}

.history-section {
    margin-bottom: var(--space-md);
}

.history-title {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.history-list {
    display: flex;
    flex-direction: column;
}

.history-item {
    padding: var(--space-md) var(--space-lg);
    margin: 0 var(--space-sm);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-fast);
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item:hover {
    background: var(--charcoal-light);
    color: var(--text-primary);
}

.history-item.active {
    background: rgba(114, 47, 55, 0.2);
    color: var(--cream);
}

.history-icon {
    font-size: 0.8rem;
    opacity: 0.7;
}

.sidebar-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--charcoal-lighter);
    display: flex;
    gap: var(--space-sm);
}

.footer-btn {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: 1px solid var(--charcoal-lighter);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.footer-btn:hover {
    border-color: var(--wine-red);
    color: var(--cream);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--charcoal);
    position: relative;
}

/* Section Bar */
.section-bar {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--charcoal-lighter);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.section-bar::-webkit-scrollbar {
    display: none;
}

.section-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 20px;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.section-btn:hover {
    background: var(--charcoal-light);
    color: var(--text-secondary);
}

.section-btn.active {
    background: rgba(114, 47, 55, 0.2);
    border-color: var(--wine-red);
    color: var(--cream);
}

.section-icon {
    font-size: 0.75rem;
}

/* Chat Container */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
}

/* Welcome Screen */
.welcome-screen {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.welcome-content {
    text-align: center;
    max-width: 600px;
}

.welcome-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--cream) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--space-2xl);
}

.suggestion-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.suggestion-card {
    background: var(--charcoal-light);
    border: 1px solid var(--charcoal-lighter);
    border-radius: 16px;
    padding: var(--space-lg);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    transition: all var(--transition-fast);
    text-align: center;
}

.suggestion-card:hover {
    border-color: var(--wine-red);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.suggestion-icon {
    font-size: 1.5rem;
    color: var(--wine-light);
}

.suggestion-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Messages Container */
.messages-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.message {
    display: flex;
    gap: var(--space-md);
    animation: fadeIn 0.3s ease;
}

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.message.user .message-avatar {
    background: var(--charcoal-lighter);
    color: var(--text-primary);
}

.message.bot .message-avatar {
    background: linear-gradient(135deg, var(--wine-red) 0%, var(--wine-dark) 100%);
    color: var(--cream);
}

.message-content {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    border-radius: 16px;
    line-height: 1.7;
}

.message.user .message-content {
    background: var(--charcoal-light);
    border: 1px solid var(--charcoal-lighter);
    color: var(--text-primary);
}

.message.bot .message-content {
    background: rgba(114, 47, 55, 0.1);
    border: 1px solid rgba(114, 47, 55, 0.2);
    color: var(--text-primary);
}

.message-content p {
    margin-bottom: var(--space-md);
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul, .message-content ol {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.message-content li {
    margin-bottom: var(--space-sm);
}

.message-content strong {
    color: var(--accent-gold);
}

/* Input Area */
.input-area {
    padding: var(--space-lg);
    border-top: 1px solid var(--charcoal-lighter);
    background: var(--charcoal);
}

.input-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    background: var(--charcoal-light);
    border: 1px solid var(--charcoal-lighter);
    border-radius: 20px;
    padding: var(--space-sm);
}

.input-actions {
    display: flex;
    align-items: center;
}

.input-btn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.input-btn:hover {
    background: var(--charcoal-lighter);
    color: var(--text-primary);
}

.input-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

#message-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    resize: none;
    min-height: 24px;
    max-height: 200px;
    padding: var(--space-sm) 0;
    outline: none;
}

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

.input-options {
    display: flex;
    gap: var(--space-sm);
}

.format-select {
    background: var(--charcoal);
    border: 1px solid var(--charcoal-lighter);
    border-radius: 8px;
    padding: var(--space-xs) var(--space-sm);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.8rem;
    cursor: pointer;
    outline: none;
}

.format-select:focus {
    border-color: var(--wine-red);
}

.send-btn {
    background: var(--wine-red);
    color: var(--cream);
}

.send-btn:hover {
    background: var(--wine-light);
    transform: scale(1.05);
}

.input-disclaimer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-md);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .auth-container {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .auth-left {
        display: none;
    }
    
    .auth-right {
        padding: var(--space-xl);
    }
    
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 100;
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .main-content {
        width: 100%;
    }
    
    .section-bar {
        padding: var(--space-sm) var(--space-md);
    }
    
    .section-btn .section-label {
        display: none;
    }
    
    .section-btn {
        padding: var(--space-sm);
    }
    
    .welcome-title {
        font-size: 1.75rem;
    }
    
    .suggestion-grid {
        grid-template-columns: 1fr;
    }
    
    .messages-container {
        padding: 0;
    }
    
    .message-content {
        padding: var(--space-md);
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }
    
    .section-btn {
        padding: var(--space-sm) var(--space-md);
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--charcoal);
}

::-webkit-scrollbar-thumb {
    background: var(--charcoal-lighter);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--wine-red);
}

/* Selection */
::selection {
    background: rgba(114, 47, 55, 0.4);
    color: var(--cream);
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--wine-red);
    outline-offset: 2px;
}

/* Loading Animation */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--space-md) var(--space-lg);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--wine-light);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

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

/* File Attachment Preview */
.attachment-preview {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--charcoal-light);
    border-radius: 8px;
    margin-bottom: var(--space-sm);
}

.attachment-preview img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
}

.attachment-name {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.attachment-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
}

.attachment-remove:hover {
    color: var(--accent-rose);
}