frontend/css/main.css

/**
 * FarmEyes Main Stylesheet
 * Modern/Classy design for Diagnosis, ChatGPT-style for Chat only
 */

/* ==========================================================================
   CSS VARIABLES
   ========================================================================== */
:root {
    --bg-dark: #0D0D0D;
    --bg-card: #1A1A1A;
    --bg-elevated: #252525;
    --bg-hover: #2D2D2D;
    
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-muted: #707070;
    
    --accent: #10B981;
    --accent-hover: #34D399;
    --accent-muted: rgba(16, 185, 129, 0.15);
    
    --border: #333333;
    --border-light: #2A2A2A;
    
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    --severity-low: #10B981;
    --severity-medium: #F59E0B;
    --severity-high: #F97316;
    --severity-very-high: #EF4444;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
    --transition: 200ms ease;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.app-container { width: 100%; min-height: 100vh; }
.page { display: none; min-height: 100vh; }
.page.active { display: flex; flex-direction: column; }
.hidden { display: none !important; }

/* ==========================================================================
   PAGE 1: LANGUAGE SELECTOR
   ========================================================================== */
.language-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    text-align: center;
    background: linear-gradient(180deg, #0D0D0D 0%, #1A1A1A 100%);
}

.language-content { max-width: 500px; }

.logo-large {
    font-size: 72px;
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.app-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.app-tagline {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.language-selection { margin-bottom: 20px; }

.selection-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.selection-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 28px;
}

.language-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.language-btn:hover {
    border-color: var(--accent);
    background: var(--accent-muted);
}

.language-btn.selected {
    border-color: var(--accent);
    background: var(--accent-muted);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
}

.lang-flag { font-size: 28px; }
.lang-name { font-size: 15px; font-weight: 600; color: var(--text-primary); }

.btn-continue {
    width: 100%;
    max-width: 280px;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.page-footer {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    text-align: center;
}

.page-footer p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   PAGE 2: DIAGNOSIS (Modern/Classy)
   ========================================================================== */
.diagnosis-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-dark);
}

/* Header - STICKY */
.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo { font-size: 36px; }

.header-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    margin: 0;
    letter-spacing: -0.5px;
}

.header-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 4px 0 0 0;
}

.header-actions { position: relative; }

.btn-language {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
    background: var(--accent);
    border-radius: var(--radius-md);
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 700;
    border: 2px solid var(--accent);
    transition: var(--transition);
}

.btn-language:hover { 
    background: var(--accent-hover); 
    border-color: var(--accent-hover);
    transform: scale(1.02);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    min-width: 120px;
    z-index: 100;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 10px 14px;
    text-align: left;
    color: var(--text-primary);
    font-size: 13px;
}

.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-item.active { color: var(--accent); }

/* Main Content */
.diagnosis-main {
    flex: 1;
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

/* Upload Section */
.upload-section { margin-bottom: 20px; }

.upload-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}

.upload-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 8px;
}

.upload-icon-small { font-size: 24px; }

.upload-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.upload-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 32px 20px;
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: 16px;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent);
    background: var(--accent-muted);
}

.upload-icon { margin-bottom: 12px; color: var(--text-muted); }

.upload-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.upload-formats {
    font-size: 12px;
    color: var(--text-muted);
}

.image-preview-container {
    position: relative;
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-elevated);
}

.image-preview {
    width: 100%;
    max-height: 250px;
    object-fit: contain;
}

.btn-remove-image {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    border-radius: 50%;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove-image:hover { background: var(--error); }

.btn-analyze {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.analyzing-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px;
}

.analyzing-loader p {
    font-size: 14px;
    color: var(--text-secondary);
}

.supported-crops {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.crop-tag {
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    padding: 6px 12px;
    border-radius: 20px;
}

/* Results Section */
.results-section { animation: fadeIn 0.3s ease; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.results-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.btn-text {
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
}

.btn-text:hover { text-decoration: underline; }

/* Disease Card */
.disease-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 16px;
}

.disease-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.disease-icon {
    font-size: 36px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
}

.disease-info { flex: 1; }

.disease-info h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 2px;
}

.crop-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.severity-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.severity-badge.low { background: rgba(16,185,129,0.15); color: var(--severity-low); }
.severity-badge.medium { background: rgba(245,158,11,0.15); color: var(--severity-medium); }
.severity-badge.high { background: rgba(249,115,22,0.15); color: var(--severity-high); }
.severity-badge.very-high, .severity-badge.very_high { background: rgba(239,68,68,0.15); color: var(--severity-very-high); }

.disease-confidence {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.conf-bar-wrap {
    flex: 1;
    height: 8px;
    background: var(--bg-elevated);
    border-radius: 4px;
    overflow: hidden;
}

.conf-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.conf-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    min-width: 40px;
    text-align: right;
}

/* Info Card / Tabs */
.info-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 16px;
}

.tabs {
    display: flex;
    background: var(--bg-elevated);
    padding: 4px;
    gap: 4px;
}

.tab-btn {
    flex: 1;
    padding: 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { background: var(--bg-card); color: var(--text-primary); }

.tab-content { padding: 16px; }

.info-list {
    list-style: none;
    margin: 0 0 16px 0;
}

.info-list li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.info-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.info-block {
    margin-bottom: 16px;
}

.info-block h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.info-block p {
    font-size: 14px;
    color: var(--text-secondary);
}

.recovery-block {
    background: var(--bg-elevated);
    padding: 12px;
    border-radius: var(--radius-md);
}

.recovery-bar-wrap {
    height: 10px;
    background: var(--bg-dark);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 6px;
}

.recovery-bar {
    height: 100%;
    background: var(--success);
    border-radius: 5px;
    transition: width 0.5s ease;
}

.recovery-block span {
    font-size: 13px;
    color: var(--success);
}

.treatment-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.treatment-item {
    background: var(--bg-elevated);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
}

.treatment-item strong {
    font-size: 13px;
    display: block;
    margin-bottom: 2px;
}

.treatment-item span {
    font-size: 12px;
    color: var(--text-secondary);
}

.cost-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--accent-muted);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-top: 12px;
}

.cost-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.cost-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

/* Chat Button (Simple but visible) */
.btn-chat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

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

/* Footer */
.main-footer {
    padding: 16px;
    text-align: center;
    border-top: 1px solid var(--border-light);
}

.main-footer p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   PAGE 3: CHAT (ChatGPT-Inspired)
   ========================================================================== */
.chat-page {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: #0D0D0D;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #1A1A1A;
    border-bottom: 1px solid #2D2D2D;
}

.btn-back {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
}

.btn-back:hover { background: #2D2D2D; color: #fff; }

.chat-title {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-lang {
    font-size: 12px;
    color: var(--text-muted);
    background: #2D2D2D;
    padding: 4px 10px;
    border-radius: 12px;
}

.chat-context {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(16,185,129,0.08);
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid #2D2D2D;
    flex-wrap: wrap;
}

.chat-context strong { color: var(--accent); }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 40px 20px;
}

.welcome-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.6;
}

.chat-welcome h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.chat-welcome p {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 300px;
}

/* Chat Messages */
.message {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    animation: slideUp 0.3s ease;
}

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

.message.user { flex-direction: row-reverse; }

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.message.assistant .message-avatar { background: var(--accent); }
.message.user .message-avatar { background: #4B5563; }

.message-content {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
}

/* Message content wrapper for Listen button */
.message-content-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 80%;
}

.message.user .message-content-wrapper {
    align-items: flex-end;
}

.message-content-wrapper .message-content {
    max-width: 100%;
}

.message.assistant .message-content {
    background: #2D2D2D;
    border-bottom-left-radius: 4px;
}

.message.user .message-content {
    background: var(--accent);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

/* Chat Input */
.chat-input-wrap {
    padding: 12px 16px;
    background: #1A1A1A;
    border-top: 1px solid #2D2D2D;
}

.chat-input-box {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: #2D2D2D;
    border-radius: 12px;
    padding: 8px 12px;
}

.chat-input-box textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 14px;
    resize: none;
    min-height: 24px;
    max-height: 120px;
    padding: 4px 0;
}

.chat-input-box textarea:focus { outline: none; }
.chat-input-box textarea::placeholder { color: #6B6B6B; }

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.btn-icon:hover { background: #3D3D3D; color: #fff; }

.btn-voice.recording {
    background: var(--error);
    color: #fff;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.btn-send {
    background: var(--accent);
    color: #fff;
}

.btn-send:disabled {
    background: #3D3D3D;
    color: #6B6B6B;
    cursor: not-allowed;
}

.btn-send:not(:disabled):hover { background: var(--accent-hover); }

.chat-note {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 8px;
}

/* Voice Overlay - LEGACY (hidden, replaced by inline indicator) */
.voice-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.voice-modal {
    text-align: center;
    padding: 40px;
}

.voice-anim {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.voice-anim span {
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    animation: voicePulse 1.2s infinite;
}

.voice-anim span:nth-child(2) { animation-delay: 0.2s; }
.voice-anim span:nth-child(3) { animation-delay: 0.4s; }

@keyframes voicePulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.4); opacity: 1; }
}

.voice-modal p {
    font-size: 18px;
    margin-bottom: 20px;
}

/* ==========================================================================
   INLINE LISTENING INDICATOR (New - replaces full-screen overlay)
   ========================================================================== */
.listening-indicator {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    padding: 8px 12px;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--error);
    border-radius: 8px;
    animation: listenFadeIn 0.3s ease;
}

@keyframes listenFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Pulsing red dot */
.listening-pulse {
    width: 12px;
    height: 12px;
    background: var(--error);
    border-radius: 50%;
    animation: listenPulse 1.5s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes listenPulse {
    0%, 100% { 
        transform: scale(1); 
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    50% { 
        transform: scale(1.1); 
        opacity: 0.8;
        box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
    }
}

/* Listening text */
.listening-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--error);
    flex: 1;
}

/* Timer display */
.listening-timer {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 10px;
    border-radius: 6px;
    min-width: 50px;
    text-align: center;
}

/* Inline stop button */
.btn-stop-inline {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--error);
    color: #fff;
    border-radius: 8px;
    transition: all var(--transition);
    flex-shrink: 0;
}

.btn-stop-inline:hover {
    background: #DC2626;
    transform: scale(1.05);
}

/* Hide elements when recording */
.chat-input-box textarea.hidden,
.chat-input-box .btn-send.hidden {
    display: none;
}

/* Voice button recording state */
.btn-voice.recording {
    background: var(--error);
    color: #fff;
    animation: none; /* Remove pulse, we have the indicator now */
}

/* ==========================================================================
   COMMON COMPONENTS
   ========================================================================== */

/* ==========================================================================
   TTS - LISTEN BUTTON & AUDIO PLAYER
   ========================================================================== */

/* Listen button on each assistant message */
.btn-listen {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    padding: 8px 14px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.btn-listen:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

.btn-listen.loading {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    cursor: wait;
}

.btn-listen.loading::after {
    content: '';
    width: 12px;
    height: 12px;
    border: 2px solid var(--text-muted);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 6px;
}

.btn-listen.playing {
    background: var(--error);
}

.btn-listen-icon {
    font-size: 14px;
}

/* Floating TTS Player */
.tts-player {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    width: 90%;
    max-width: 400px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.tts-player.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* Player header */
.tts-player-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.tts-player-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.tts-player-title-icon {
    font-size: 16px;
}

.btn-tts-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border-radius: 6px;
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-tts-close:hover {
    background: var(--error);
    color: #fff;
}

/* Progress bar */
.tts-progress-container {
    height: 6px;
    background: var(--bg-hover);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 12px;
    cursor: pointer;
}

.tts-progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
}

/* Controls row */
.tts-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

/* Playback controls */
.tts-playback-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-tts-control {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-tts-control:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.btn-tts-control.stop {
    background: var(--bg-hover);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
}

.btn-tts-control.stop:hover {
    background: var(--error);
    color: #fff;
}

/* Time display */
.tts-time {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    min-width: 70px;
    text-align: center;
}

/* Speed controls */
.tts-speed-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.tts-speed-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-right: 4px;
}

.tts-speed-btn {
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-hover);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition);
}

.tts-speed-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.tts-speed-btn.active {
    color: #fff;
    background: var(--accent);
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .tts-player {
        bottom: 80px;
        width: 95%;
        padding: 12px;
    }
    
    .tts-speed-label {
        display: none;
    }
    
    .tts-time {
        font-size: 11px;
        min-width: 60px;
    }
}

/* Buttons */
.btn-primary {
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: #2D2D2D;
    color: #fff;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
}

.btn-secondary:hover { background: #3D3D3D; }

/* Loader */
.loader-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #3D3D3D;
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loader-spinner.large { width: 40px; height: 40px; }

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(13,13,13,0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 300;
}

.loading-overlay p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 400;
    width: 90%;
    max-width: 360px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: #2D2D2D;
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    animation: slideUp 0.3s ease;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }
.toast.warning { border-left: 4px solid var(--warning); }

.toast-message { flex: 1; font-size: 14px; }

.toast-close {
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 480px) {
    .header-subtitle { display: none; }
    .header-title { font-size: 18px; }
    .app-title { font-size: 36px; }
    .language-grid { gap: 10px; }
    .language-btn { padding: 16px 12px; }
}

@media (min-width: 768px) {
    .diagnosis-main { max-width: 900px; padding: 30px; }
    .upload-card { padding: 32px; }
    .language-grid { grid-template-columns: repeat(4, 1fr); }
}