/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a472a;
    --primary-light: #2d5a3d;
    --secondary-color: #8b4513;
    --accent-color: #d4af37;
    --background: #f5f5f5;
    --surface: #ffffff;
    --text: #333333;
    --text-light: #666666;
    --border: #dddddd;
    --error: #dc3545;
    --warning: #ffc107;
    --success: #28a745;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --input-bg: #f8f9fa;
    --card-bg: #f8f9fa;
}

/* Dark Mode Variables */
.dark-mode {
    --primary-color: #4a9b5f;
    --primary-light: #5cb377;
    --secondary-color: #b87333;
    --accent-color: #f4d03f;
    --background: #1a1a1a;
    --surface: #2d2d2d;
    --text: #e0e0e0;
    --text-light: #b0b0b0;
    --border: #404040;
    --error: #ff6b6b;
    --warning: #ffd93d;
    --success: #51cf66;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.4);
    --input-bg: #353535;
    --card-bg: #353535;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--background);
    padding: 1rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--surface);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Header */
header {
    margin-bottom: 1rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border);
    transition: border-color 0.3s ease;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 56px;
    min-height: 56px;
}

.theme-toggle:hover {
    background: var(--card-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.theme-toggle:active {
    transform: translateY(0);
}

.theme-icon {
    display: block;
    transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(15deg);
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border);
}

.tab-btn {
    background-color: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    bottom: -2px;
}

.tab-btn:hover {
    color: var(--primary-color);
    background-color: var(--background);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: block;
}

.tab-content.hidden {
    display: none;
}

/* AI Assistant Styles */
.ai-assistant-container {
    margin-top: 1rem;
}

.ai-assistant-container h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.ai-assistant-container h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

#ai-prompt-output {
    margin-top: 1.5rem;
}

#ai-prompt-text {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    background-color: var(--input-bg);
    transition: background-color 0.3s ease;
}

#ai-response-input {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

header h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.intro {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.warning-box {
    background-color: #fff3cd;
    border: 2px solid var(--warning);
    border-radius: 4px;
    padding: 1rem;
    margin-top: 1rem;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.dark-mode .warning-box {
    background-color: #4a3a00;
    border-color: var(--warning);
    color: var(--text);
}

.warning-box strong {
    color: #856404;
    transition: color 0.3s ease;
}

.dark-mode .warning-box strong {
    color: var(--warning);
}

.error-box {
    background-color: #f8d7da;
    border: 2px solid var(--error);
    border-radius: 4px;
    padding: 1rem;
    margin: 1rem 0;
    color: #721c24;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.dark-mode .error-box {
    background-color: #4a1a1a;
    border-color: var(--error);
    color: #ff6b6b;
}

/* Guidance Sections */
.guidance-section {
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.guidance-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.guidance-item {
    margin-bottom: 0.5rem;
}

.guidance-toggle {
    width: 100%;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    text-align: left;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.guidance-toggle:hover {
    background-color: var(--background);
}

.toggle-icon {
    transition: transform 0.3s;
}

.guidance-toggle.active .toggle-icon {
    transform: rotate(180deg);
}

.guidance-content {
    display: none;
    padding: 1rem;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 4px 4px;
}

.guidance-content.active {
    display: block;
}

.guidance-content ul {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

.guidance-content li {
    margin-bottom: 0.5rem;
}

/* Form Sections */
.form-section {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.form-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--surface);
    color: var(--text);
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 71, 42, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
    cursor: pointer;
}

.radio-group input[type="radio"] {
    cursor: pointer;
}

.help-text {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-style: italic;
}

/* Buttons */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow-hover);
}

.btn-primary:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow-hover);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* Encounter Cards */
.encounter-card,
.thread-card,
.npc-card,
.location-card {
    background-color: #f8f9fa;
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.encounter-card {
    border-left: 4px solid var(--primary-color);
}

.thread-card {
    border-left: 4px solid var(--accent-color);
}

.npc-card {
    border-left: 4px solid var(--secondary-color);
}

.location-card {
    border-left: 4px solid #6c757d;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

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

.btn-remove {
    background-color: var(--error);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.btn-remove:hover {
    background-color: #c82333;
}

.required-field {
    border: 2px solid var(--primary-color) !important;
    background-color: #f0f8f0;
}

.required-field:focus {
    box-shadow: 0 0 0 3px rgba(26, 71, 42, 0.2);
}

.field-label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.required-indicator {
    color: var(--error);
    font-weight: bold;
}

/* Checkbox Groups */
.checkbox-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
    cursor: pointer;
}

/* Output Section */
.output-section {
    margin-top: 3rem;
    padding: 1.5rem;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.output-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

#template-output {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    background-color: var(--input-bg);
    white-space: pre-wrap;
    word-wrap: break-word;
    transition: background-color 0.3s ease;
}

/* Validation States */
.form-group input:invalid,
.form-group textarea:invalid {
    border-color: var(--error);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: var(--success);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 0.5rem;
    }

    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .tab-navigation {
        flex-direction: column;
        gap: 0;
    }

    .tab-btn {
        width: 100%;
        border-bottom: 2px solid var(--border);
        border-left: 3px solid transparent;
        padding: 0.75rem 1rem;
        bottom: 0;
    }

    .tab-btn.active {
        border-bottom-color: var(--border);
        border-left-color: var(--primary-color);
    }

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

    .radio-group {
        flex-direction: column;
        gap: 0.75rem;
    }

    .button-group {
        flex-direction: column;
    }

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

    .encounter-card,
    .thread-card,
    .npc-card,
    .location-card {
        padding: 1rem;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.25rem;
    }

    .form-section h2,
    .output-section h2 {
        font-size: 1.25rem;
    }

    .checkbox-group {
        flex-direction: column;
    }
}

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

/* Focus visible for keyboard navigation */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}