/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #f8f9fa; 
    /* background: url('aJuS-qTt2nPbaPg4_forest-1-b.jpg') center/cover no-repeat, #f8f9fa;*/  /* Commented out for easy revert */
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Top Tab Navigation */
.top-tab-navigation {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #e5e7eb;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.tab-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
}

.tab-container .tab-btn:not(:last-child)::after {
    content: "|";
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    color: #d1d5db;
    font-weight: 300;
    pointer-events: none;
}

.tab-container .tab-btn {
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* Page Headers (inside tabs) */
.page-header {
    text-align: center;
    margin-bottom: 32px;
    color: #1a1a1a;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.page-header p {
    font-size: 1rem;
    font-weight: 400;
    color: #6b7280;
    margin-bottom: 0;
    letter-spacing: 0.01em;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.1);
    color: #6b7280;
    letter-spacing: -0.01em;
    text-decoration: none;
    display: inline-block;
}

.tab-btn.active {
    background: rgba(255, 255, 255, 0.1);
    color: #1a1a1a;
    font-weight: 700;
}

.tab-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.15);
    color: #1a1a1a;
}

/* Tab Content */
.tab-content {
    position: relative;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Configuration Section */
.config-section {
    background: #ffffff;
    padding: 20px;
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
}

.config-section h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.config-row {
    display: flex;
    gap: 16px;
    align-items: end;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.config-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 240px;
    position: relative;
}

.config-field label {
    font-weight: 500;
    color: #1a1a1a;
    font-size: 0.875rem;
    letter-spacing: -0.01em;
}

.config-input {
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 400;
    background: #ffffff;
    color: #1a1a1a;
    transition: all 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.config-input:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
    transform: translateY(-1px);
}

.config-input::placeholder {
    color: #9ca3af;
    font-weight: 400;
}

.config-field:has(.toggle-btn) .config-input {
    padding-right: 70px;
}

.toggle-btn {
    position: absolute;
    right: 12px;
    bottom: 12px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: #9ca3af;
    transition: all 0.2s ease;
    border-radius: 6px;
    padding: 4px;
}

.toggle-btn:hover {
    color: #1a1a1a;
    background: rgba(0, 0, 0, 0.05);
}

.config-status {
    flex: 1;
    min-width: 180px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    letter-spacing: -0.01em;
}

.config-status.success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.config-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.config-status.info {
    background: #f9fafb;
    color: #6b7280;
    border: 1px solid #e5e7eb;
}

/* Workflow Layout */
.creation-panels {
    margin-top: 20px;
    transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.creation-panels.disabled {
    opacity: 0.3;
    filter: grayscale(100%) blur(0.5px);
    pointer-events: none;
    transform: scale(0.98);
}

.workflow-layout {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 20px;
    min-height: calc(100vh - 240px);
}

.creation-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.video-column {
    display: flex;
    flex-direction: column;
}

/* Main sections */
section {
    background: #ffffff;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    flex: 1;
    display: flex;
    flex-direction: column;
}

section:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* Removed duplicate h2/h3 styles - now defined above with config-section h2 */

/* Workflow Steps */
.workflow-step {
    transition: all 0.3s ease;
    position: relative;
}

.workflow-step:hover {
    transform: translateX(2px);
}

/* Consistent panel styling for all workflow steps */
.workflow-step {
    background: #ffffff;
    border: 1px solid #e5e7eb;
}

.upload-section,
.tts-section {
    background: #ffffff;
    color: #1a1a1a;
    border: 1px solid #e5e7eb;
}

/* All step headers now use the unified style above */

/* Video Player Section */
.video-player-section {
    background: #ffffff;
    color: #1a1a1a;
    border: 1px solid #e5e7eb;
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* Video player header uses the same unified style */

.video-stage {
    background: #000000;
    border-radius: 16px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 16px;
    flex: 1;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.video-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.6;
}

.workflow-status {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.status-item {
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    letter-spacing: -0.01em;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.status-item.completed {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border-color: rgba(16, 185, 129, 0.2);
}

.status-item.active {
    background: rgba(16, 185, 129, 0.15);
    color: #047857;
    transform: scale(1.02);
    border-color: rgba(16, 185, 129, 0.3);
}

.status-item.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border-color: rgba(239, 68, 68, 0.2);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.video-controls {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* TTS Controls */
.tts-controls {
    margin-bottom: 15px;
}

.tts-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Upload Section */
.upload-area {
    border: 2px dashed #d1d5db;
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    flex: 1;
    background: #f9fafb;
}

.upload-area:hover {
    border-color: #10b981;
    background: #f0fdf4;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.1);
}

.upload-area.dragover {
    border-color: #10b981;
    background: #f0fdf4;
    border-style: solid;
}

.upload-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    opacity: 0.6;
}

.upload-content p {
    color: #6b7280;
    font-size: 1.125rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.image-preview {
    position: relative;
    display: inline-block;
}

.image-preview img {
    max-width: 320px;
    max-height: 240px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.remove-btn {
    position: absolute;
    top: -12px;
    right: -12px;
    background: #ff3b30;
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(255, 59, 48, 0.3);
    transition: all 0.2s ease;
}

.remove-btn:hover {
    background: #d70015;
    transform: scale(1.1);
}

.upload-status {
    margin-top: 15px;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
}

.upload-status.success {
    background: #f0fdf4;
    color: #059669;
}

.upload-status.error {
    background: #fef2f2;
    color: #dc2626;
}

/* TTS Section */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #4a5568;
}

textarea {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 400;
    line-height: 1.5;
    resize: none;
    transition: all 0.2s ease;
    flex: 1;
    background: #ffffff;
    color: #1a1a1a;
    -webkit-appearance: none;
    appearance: none;
}

textarea:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
    transform: translateY(-1px);
}

textarea::placeholder {
    color: #9ca3af;
    font-weight: 400;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: #10b981;
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-success {
    background: #3c7349;
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
}

.btn-success:hover:not(:disabled) {
    background: #3c754c;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.4);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.125rem;
    border-radius: 14px;
}

.btn-medium {
    padding: 12px 24px;
    font-size: 0.9rem;
    border-radius: 10px;
}

.btn-small {
    padding: 12px 20px;
    font-size: 0.9rem;
    border-radius: 10px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff3d;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* TTS Output */
.tts-output {
    margin-top: 20px;
    padding: 24px;
    background: #f9fafb;
    border-radius: 16px;
    flex: 1;
    border: 1px solid #e5e7eb;
}

.processed-text {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    margin: 16px 0;
    font-style: italic;
    font-size: 1rem;
    line-height: 1.6;
    color: #1a1a1a;
    border: 1px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Animation Section */
.animation-controls {
    display: flex;
    gap: 15px;
    align-items: end;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.animation-controls.compact {
    gap: 10px;
    margin-bottom: 15px;
}

.animation-controls label {
    font-weight: 600;
    color: #4a5568;
}

select {
    padding: 14px 20px;
    border: 1px solid #d2d2d7;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 400;
    background: #ffffff;
    min-width: 220px;
    transition: all 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2386868b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 16px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 48px;
}

select:focus {
    outline: none;
    border-color: #007aff;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
    transform: translateY(-1px);
}

.animation-stage {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    border-radius: 10px;
    padding: 30px;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex: 1;
}

.animation-stage.compact {
    padding: 20px;
    min-height: 120px;
}

.animated-element {
    text-align: center;
    transition: all 0.5s ease;
}

.character {
    font-size: 3rem;
    margin-bottom: 10px;
    display: block;
}

.stage-text {
    color: white;
    font-size: 1rem;
    font-weight: 500;
}

.animation-info {
    margin-top: 20px;
    padding: 15px;
    background: #edf2f7;
    border-radius: 8px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    transition: width 0.1s ease;
}

/* Combined Section */
.combined-section {
    text-align: center;
}

.status-display {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    font-weight: 500;
}

.status-display.active {
    background: #bee3f8;
    color: #2a69ac;
}

/* Animations */
.animate-wave {
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(15deg); }
    75% { transform: rotate(-15deg); }
}

.animate-bounce {
    animation: bounce 1.5s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-30px); }
}

.animate-fade {
    animation: fade 3s ease-in-out infinite;
}

@keyframes fade {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.animate-slide {
    animation: slide 2.5s ease-in-out infinite;
}

@keyframes slide {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(50px); }
}

.animate-rotate {
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Memory Companion Styles */
.prompt-input-group {
    margin: 16px 0;
}

.prompt-input-group label {
    display: block;
    font-weight: 500;
    color: #1a1a1a;
    font-size: 0.875rem;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.animation-creation-section {
    background: #ffffff;
    color: #1a1a1a;
}

.video-chat-section {
    background: #ffffff;
    color: #1a1a1a;
}

.chat-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.chat-status {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    letter-spacing: -0.01em;
}

.chat-status.active {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.chat-status.listening {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
    animation: pulse 2s infinite;
}

.chat-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Voice Recording Button */
.voice-record-btn {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    position: relative;
    min-width: 200px; /* Fixed width to prevent size changes */
    text-align: center;
}

.voice-record-btn:active {
    transform: scale(0.95);
}

.voice-record-btn.recording {
    background: #dc2626 !important;
    animation: pulse 1s infinite;
    min-width: 200px; /* Maintain same width when recording */
}

/* Footer */
footer {
    text-align: center;
    margin-top: 48px;
    color: #6b7280;
    font-size: 0.9rem;
    font-weight: 400;
}

footer a {
    color: #10b981;
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: #059669;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 20px 16px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .config-section {
        padding: 24px 20px;
        margin-bottom: 24px;
    }
    
    .workflow-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .video-stage {
        min-height: 300px;
    }
    
    .workflow-status {
        margin-top: 24px;
    }
    
    .config-row {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    .config-field {
        min-width: auto;
    }
    
    section {
        padding: 20px;
    }
    
    .upload-area {
        padding: 32px 20px;
    }
    
    .btn-medium {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .creation-column {
        gap: 20px;
    }
}