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

/* Root Variables for MindfulZen Theme */
:root {
    /* Dark Mode (Default) */
    --bg-primary: #1a1d2e;
    --bg-secondary: #252a3d;
    --bg-tertiary: #2d3349;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --border-color: #3a3f5c;
    --gradient-start: #0ea5e9;
    --gradient-end: #06b6d4;
    --accent-primary: #0ea5e9;
    --accent-secondary: #06b6d4;
    --success-color: #10b981;
    --error-bg: #7f1d1d;
    --error-border: #991b1b;
    --error-text: #fca5a5;
}

/* Light Mode Variables */
body.light-mode {
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f3f4f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --gradient-start: #0891b2;
    --gradient-end: #06b6d4;
    --accent-primary: #0891b2;
    --accent-secondary: #06b6d4;
    --success-color: #10b981;
    --error-bg: #fee2e2;
    --error-border: #f87171;
    --error-text: #dc2626;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    transition: all 0.3s ease;
}

/* Dark mode as default */
body {
    background: linear-gradient(135deg, #1a1d2e 0%, #252a3d 100%);
}

body.light-mode {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

/* Header */
header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Main Panel */
.creation-panel {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

/* Wizard Steps */
.wizard-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.wizard-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: all 0.3s;
}

.step.active .step-number {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.step.completed .step-number {
    background: var(--success-color);
    color: white;
}

.step-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.step.active .step-label {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Wizard Panels */
.wizard-panel {
    display: none;
}

.wizard-panel.active {
    display: block;
    animation: fadeIn 0.3s;
}

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

.wizard-panel h2,
h2 {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group textarea {
    resize: vertical;
    line-height: 1.6;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236366f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

.helper-text,
small {
    display: block;
    margin-top: 5px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* AI Option */
.ai-option {
    margin-bottom: 25px;
    text-align: center;
}

/* Voice Options */
.voice-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.voice-card {
    cursor: pointer;
}

.voice-card input[type="radio"] {
    display: none;
}

.voice-card-content {
    border: 3px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    background: var(--bg-tertiary);
}

.voice-card:hover .voice-card-content {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.voice-card input[type="radio"]:checked + .voice-card-content {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.voice-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.voice-card-content h3 {
    color: var(--text-primary);
    margin-bottom: 5px;
    font-size: 1.3rem;
}

.voice-card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Music Options */
.music-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.music-card {
    cursor: pointer;
}

.music-card input[type="radio"] {
    display: none;
}

.music-card-content {
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px 15px;
    text-align: center;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    background: var(--bg-tertiary);
}

.music-card:hover .music-card-content {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.music-card input[type="radio"]:checked + .music-card-content {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.music-icon {
    font-size: 2rem;
}

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

/* Music Preview */
.music-preview {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 25px;
    margin-top: 25px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.preview-icon {
    font-size: 2rem;
    color: var(--accent-primary);
}

.preview-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.music-preview audio {
    width: 100%;
    height: 54px;
}

/* Summary */
.summary,
.summary-section {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.summary-item {
    margin-bottom: 20px;
}

.summary-item:last-child {
    margin-bottom: 0;
}

.summary-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.summary-item span {
    color: var(--text-primary);
    font-size: 1rem;
}

.summary-script,
.script-preview {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    white-space: pre-wrap;
    color: var(--text-primary);
    line-height: 1.6;
    max-height: 150px;
    overflow-y: auto;
}

/* Generate Section */
.generate-section {
    margin-top: 30px;
}

.btn-large {
    width: 100%;
    padding: 18px 32px;
    font-size: 1.1rem;
}

/* Progress */
.progress-message {
    text-align: center;
    margin-bottom: 20px;
}

.progress-message p {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    transition: width 0.5s ease;
    width: 0%;
}

/* Buttons */
.wizard-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
}

.btn-primary,
.btn-secondary,
.btn-outline {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--text-secondary);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

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

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

/* Loading State */
.loading-state {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

#loadingText {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Result Panel */
.result-panel {
    text-align: center;
    padding: 30px 20px;
}

#resultContainer {
    text-align: center;
    padding: 40px 20px;
}

#resultContainer h3 {
    color: var(--success-color);
    margin-bottom: 30px;
    font-size: 1.5rem;
}

#resultContainer audio {
    width: 100%;
    max-width: 400px;
    margin-bottom: 30px;
}

.result-panel h3 {
    color: var(--success-color);
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.audio-player {
    margin-bottom: 25px;
}

.audio-player audio {
    width: 100%;
    max-width: 500px;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Error Panel */
.error-panel,
.error-message {
    background: var(--error-bg);
    border: 2px solid var(--error-border);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

#errorMessage,
.error-message p,
#errorText {
    color: var(--error-text);
    margin-bottom: 15px;
}

/* Footer */
footer {
    text-align: center;
    color: white;
    margin-top: 40px;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .creation-panel {
        padding: 25px;
    }

    .wizard-steps {
        margin-bottom: 30px;
    }

    .step-label {
        font-size: 0.75rem;
    }

    .step-number {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    .wizard-steps::before {
        left: 20px;
        right: 20px;
    }

    .voice-options {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .music-options {
        grid-template-columns: 1fr 1fr;
    }

    .wizard-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary,
    .btn-outline {
        width: 100%;
    }
}