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

:root {
    /* Dark Mode Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #141420;
    --bg-tertiary: #1e1e2e;
    --bg-card: #252538;
    --bg-hover: #2d2d45;
    
    /* Accent Colors - Keeping purple but refined */
    --accent-primary: #a78bfa;
    --accent-secondary: #8b5cf6;
    --accent-hover: #7c3aed;
    --accent-dark: #6d28d9;
    
    /* Text Colors */
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --text-tertiary: #6c757d;
    
    /* Status Colors */
    --success: #22c55e;
    --success-hover: #16a34a;
    --error: #ef4444;
    --error-hover: #dc2626;
    --warning: #f59e0b;
    
    /* Borders & Dividers */
    --border: #2d2d45;
    --border-light: #3a3a55;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    min-height: 100vh;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

header h1 {
    color: var(--accent-primary);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.token-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
}

.token-label {
    color: var(--text-secondary);
}

.token-balance {
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 16px;
    min-width: 50px;
    text-align: right;
}

.token-currency {
    color: var(--text-secondary);
    font-size: 12px;
}

.btn-token-refresh {
    background: var(--accent-secondary);
    color: var(--text-primary);
    border: none;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.btn-token-refresh:hover {
    background: var(--accent-hover);
    transform: rotate(180deg);
}

/* View Switcher */
.view-switcher {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    margin-left: var(--spacing-md);
    margin-right: var(--spacing-md);
    background: var(--bg-card);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.view-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    font-family: var(--font-family);
}

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

.view-btn.active {
    background: var(--accent-secondary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* Search & Sort */
.search-sort-bar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    margin-left: var(--spacing-md);
    margin-right: var(--spacing-md);
}

.search-input,
.sort-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-family: var(--font-family);
}

.search-input {
    flex: 1;
}

.search-input:focus,
.sort-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.sort-select {
    min-width: 200px;
    cursor: pointer;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
}

/* Project Cards */
.projects-list {
    display: grid;
    gap: var(--spacing-md);
    margin-left: var(--spacing-md);
    margin-right: var(--spacing-md);
}

.project-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-light);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.project-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.3px;
}

.project-date {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.project-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--accent-secondary);
    color: var(--text-primary);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-right: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-products {
    margin-top: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.project-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-danger {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.btn-danger {
    background: var(--error);
    color: var(--text-primary);
}

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

.button-group {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.btn-copy,
.btn-regenerate {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-family: var(--font-family);
}

.btn-copy {
    background: var(--success);
    color: var(--text-primary);
}

.btn-copy:hover {
    background: var(--success-hover);
}

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

.btn-regenerate:hover {
    background: var(--accent-hover);
}

.btn-regenerate:disabled {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-regenerate.free-regenerate {
    background: var(--success);
    color: var(--text-primary);
}

.btn-regenerate.free-regenerate:hover {
    background: var(--success-hover);
}

.content-section textarea,
.content-section input[type="text"] {
    transition: opacity 0.3s ease;
}

/* Calendar */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    margin-left: var(--spacing-md);
    margin-right: var(--spacing-md);
    background: var(--bg-card);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.calendar-header h2 {
    color: var(--text-primary);
    font-size: 22px;
    font-weight: 600;
}

.btn-nav {
    background: var(--accent-secondary);
    color: var(--text-primary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
}

.btn-nav:hover {
    background: var(--accent-hover);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
    margin-left: var(--spacing-md);
    margin-right: var(--spacing-md);
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.calendar-day-header {
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calendar-day {
    min-height: 100px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    position: relative;
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day-number {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 13px;
}

.calendar-day.today .calendar-day-number {
    color: var(--accent-primary);
    font-weight: 700;
}

.calendar-project {
    background: var(--accent-secondary);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    margin-bottom: 4px;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    width: calc(100% - 4rem);
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    margin: var(--spacing-xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
}

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

/* Forms */
form {
    padding: var(--spacing-xl);
}

/* Modals without form wrapper (API Key, Profile) - need manual padding */
#apiKeyModal .modal-content > .form-group,
#profileModal .modal-content > .form-group {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    margin-top: 0;
}

#apiKeyModal .modal-content > .form-group:first-of-type,
#profileModal .modal-content > .form-group:first-of-type {
    padding-top: var(--spacing-xl);
}

#apiKeyModal .modal-content > button.btn-primary,
#profileModal .modal-content > button.btn-primary {
    margin-left: var(--spacing-xl);
    margin-right: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    margin-top: 0;
    width: calc(100% - 4rem);
    display: block;
    box-sizing: border-box;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="url"] {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-family);
    height: 36px;
    box-sizing: border-box;
}

.form-group textarea {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-family);
    resize: vertical;
    overflow-wrap: break-word;
    word-wrap: break-word;
    white-space: pre-wrap;
    overflow-y: auto;
    min-height: 60px;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.product-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr auto;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    align-items: start;
}

.product-item input {
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-remove-product {
    background: var(--error);
    color: var(--text-primary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    font-weight: 500;
}

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

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: normal;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.form-actions button {
    flex: 1;
}

/* AI Content */
.ai-content {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

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

.ai-content h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--accent-primary);
    font-size: 20px;
    font-weight: 600;
}

.content-section {
    margin-bottom: var(--spacing-lg);
}

.content-section label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.content-section textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    resize: none;
    min-height: 80px;
    overflow: hidden;
    line-height: 1.6;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: var(--font-family);
}

.content-section textarea[readonly] {
    background-color: var(--bg-tertiary);
    cursor: text;
}

.content-section input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: var(--font-family);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.char-count {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: normal;
}

.help-text {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* Stores List */
.stores-list {
    margin-bottom: var(--spacing-sm);
    min-height: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.store-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
}

.store-name {
    color: var(--text-primary);
    font-size: 13px;
}

.btn-remove-store {
    background: none;
    color: var(--error);
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    transition: all 0.2s ease;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    flex-shrink: 0;
}

.btn-remove-store:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-hover);
}

.store-input-wrapper {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: 4px;
}

.store-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-family);
}

.store-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

/* Date Picker */
.date-input-wrapper {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.date-input-wrapper input {
    flex: 1;
}

.btn-date-picker {
    background: var(--accent-secondary);
    color: var(--text-primary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-date-picker:hover {
    background: var(--accent-hover);
}

.date-picker {
    margin-top: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.date-picker.hidden {
    display: none;
}

.date-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.date-picker-nav {
    background: var(--accent-secondary);
    color: var(--text-primary);
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.date-picker-nav:hover {
    background: var(--accent-hover);
}

.date-picker-month {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 16px;
}

.date-picker-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-xs);
}

.date-picker-day-header {
    text-align: center;
    font-weight: 600;
    font-size: 11px;
    color: var(--text-secondary);
    padding: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.date-picker-day {
    text-align: center;
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    font-size: 13px;
    color: var(--text-primary);
}

.date-picker-day:hover {
    background: var(--accent-secondary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.date-picker-day.other-month {
    opacity: 0.3;
    cursor: default;
}

.date-picker-day.today {
    background: var(--accent-secondary);
    color: var(--text-primary);
    font-weight: 700;
    border-color: var(--accent-primary);
}

.date-picker-day.selected {
    background: var(--accent-hover);
    color: var(--text-primary);
    font-weight: 700;
    border-color: var(--accent-primary);
}

/* Loading & Empty States */
.loading {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
    font-size: 15px;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 600;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 5px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .header-actions {
        flex-direction: column;
    }
    
    .product-item {
        grid-template-columns: 1fr;
    }
    
    .calendar-grid {
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
    }
    
    .calendar-day {
        min-height: 60px;
        padding: var(--spacing-xs);
    }
    
    .modal.active {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        border-radius: var(--radius-lg);
    }
}