/**
 * Tracker v2.0 - Main Stylesheet
 * 
 * Modern, responsive design with dark mode support
 * Consistent with v1.0 design language but enhanced
 */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #374151;
    --bg-hover: #475569;
    
    --text-primary: #e2e8f0;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    
    --border-primary: #334155;
    --border-secondary: #4b5563;
    
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;
    --color-purple: #7c3aed;
    --color-purple-dark: #6d28d9;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Header */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-name {
    font-weight: 500;
    color: var(--text-secondary);
}

.profile-btn,
.logout-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: none;
    border: 1px solid var(--border-secondary);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.profile-btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.logout-btn:hover {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    transform: translateY(-1px);
}

/* Save Status Indicator */
.save-status {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 1000;
    transition: all var(--transition-slow);
    opacity: 0;
    pointer-events: none;
}

.save-status.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.save-status.saving {
    background: rgba(59, 130, 246, 0.9);
    color: white;
}

.save-status.success {
    background: rgba(16, 185, 129, 0.9);
    color: white;
}

.save-status.error {
    background: rgba(239, 68, 68, 0.9);
    color: white;
}

/* Main Content */
.main-content {
    padding-top: 80px;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

/* Sections */
.section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-primary);
}

.section-icon {
    font-size: 1.75rem;
    margin-right: var(--spacing-md);
}

.pills-section .section-icon {
    color: var(--color-primary);
}

.calories-section .section-icon {
    color: var(--color-success);
}

.reports-section .section-icon {
    color: var(--color-warning);
}

.profile-section .section-icon {
    color: var(--color-info);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Toggle Headers */
.toggle-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    margin-bottom: 0;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-primary);
    transition: all var(--transition-base);
}

.toggle-header:hover {
    background-color: rgba(71, 85, 105, 0.1);
    border-radius: var(--radius-md);
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

.toggle-indicator {
    font-size: 1.25rem;
    transition: transform var(--transition-base);
}

.toggle-indicator.expanded {
    transform: rotate(90deg);
}

/* Profile Section */
.profile-content {
    display: none;
    margin-top: var(--spacing-xl);
}

.profile-content.expanded {
    display: block;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.profile-stats {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

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

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

.stats-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stats-value {
    font-weight: 600;
    color: var(--text-primary);
}

.stats-value.complete {
    color: var(--color-success);
}

.stats-value.incomplete {
    color: var(--color-warning);
}

.stats-value.highlight {
    font-size: 1.125rem;
    color: var(--color-info);
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.radio-group {
    display: flex;
    gap: var(--spacing-md);
}

.radio-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.radio-item input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-primary);
}

.radio-item label {
    font-size: 0.875rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.time-picker {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.time-picker small {
    font-size: 0.75rem;
}

.update-profile-btn {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--spacing-md);
}

.update-profile-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3);
}

/* Status Indicators */
.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    font-size: 1rem;
}

.status-safe {
    background-color: #064e3b;
    color: #6ee7b7;
    border: 1px solid var(--color-success);
}

.status-warning {
    background-color: #451a03;
    color: #ffffff;
    border: 1px solid #ffffff;
}

.status-danger {
    background-color: #450a0a;
    color: #fca5a5;
    border: 1px solid var(--color-danger);
}

/* Timer Display */
.timer-display {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.last-pill-time {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.next-pill-timer {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Buttons */
.button-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.pill-button {
    flex: 1;
    min-width: 80px;
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    background-color: var(--color-primary);
    color: white;
}

.pill-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

.pill-button:disabled {
    background-color: #6b7280;
    cursor: not-allowed;
    transform: none;
}

/* Custom Input Groups */
.custom-input-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.custom-input {
    flex: 1;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.custom-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.add-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-success);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-base);
}

.add-button:hover {
    background-color: var(--color-success-dark);
}

.add-button:disabled {
    background-color: #6b7280;
    cursor: not-allowed;
}

/* Calorie Section */
.total-display {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
    color: white;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.total-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.total-value {
    font-size: 2rem;
    font-weight: 700;
}

.calorie-input-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.intake-btn {
    background-color: var(--color-success);
    flex: 1;
}

.intake-btn:hover {
    background-color: var(--color-success-dark);
}

.activity-btn {
    background-color: var(--color-purple);
    flex: 1;
}

.activity-btn:hover {
    background-color: var(--color-purple-dark);
}

.quick-calorie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.quick-calorie-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-hover);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    min-width: 50px;
}

.quick-calorie-btn:hover {
    background-color: var(--color-success);
    transform: translateY(-1px);
}

.clear-input-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    min-width: 40px;
}

.clear-input-btn:hover {
    background-color: #b91c1c;
    transform: translateY(-1px);
}

/* Entry Lists */
.entry-list {
    max-height: 300px;
    overflow-y: auto;
}

.entry-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--border-secondary);
}

.pills-section .entry-item {
    border-left-color: var(--color-primary);
}

.calories-section .entry-item {
    border-left-color: var(--color-success);
}

.activity-entry {
    border-left-color: var(--color-purple) !important;
    background-color: #3730a3 !important;
}

.entry-value {
    font-weight: 600;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.entry-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.entry-time:hover {
    background-color: var(--border-secondary);
    border-color: #6b7280;
}

.entry-time.editing {
    background-color: #1e3a8a;
    border-color: var(--color-info);
}

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

.delete-button {
    background: none;
    border: none;
    color: var(--color-danger);
    cursor: pointer;
    font-size: 1.125rem;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.delete-button:hover {
    background-color: #450a0a;
}

.edit-time-input {
    width: 70px;
    padding: 2px 4px;
    border: 1px solid var(--color-info);
    border-radius: 3px;
    font-size: 0.75rem;
    text-align: center;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Clear Button */
.clear-button {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--color-danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    margin-top: var(--spacing-md);
    transition: all var(--transition-base);
}

.clear-button:hover {
    background-color: #dc2626;
}

.clear-button:disabled {
    background-color: #6b7280;
    cursor: not-allowed;
}

/* Help Text */
.help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* History Section */
.history-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-primary);
}

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

.history-header h3 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text-primary);
}

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

.edit-history-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-info);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.edit-history-btn:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
}

.show-more-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--bg-hover);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.show-more-btn:hover {
    background-color: #64748b;
}

.history-list {
    max-height: 250px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 3px solid #6b7280;
}

.history-date {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.history-calories {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-success);
}

.history-ratio {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Reports Section */
.reports-content {
    display: none;
    margin-top: var(--spacing-xl);
}

.reports-content.expanded {
    display: block;
}

.report-summary {
    background: linear-gradient(135deg, var(--color-warning), #d97706);
    color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.summary-title {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.summary-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.summary-subtitle {
    font-size: 0.875rem;
    opacity: 0.8;
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.report-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-warning);
    transition: all var(--transition-base);
}

.report-card:hover {
    background: var(--bg-hover);
    transform: translateY(-2px);
}

.report-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.report-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.report-value.positive {
    color: var(--color-success);
}

.report-value.negative {
    color: var(--color-danger);
}

.report-value.neutral {
    color: #6b7280;
}

.report-details {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
    max-width: 500px;
    width: 90%;
    text-align: center;
}

.modal-content h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
}

.modal-content p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.modal-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    text-align: center;
}

.modal-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.modal-input.invalid {
    border-color: var(--color-danger);
}

.modal-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-submit:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    transform: scale(1.02);
}

.modal-submit:disabled {
    background-color: #6b7280;
    cursor: not-allowed;
    opacity: 0.6;
}

.modal-submit:not(:disabled) {
    opacity: 1;
}

.modal-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
    text-align: left;
}

.modal-help {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: var(--spacing-md);
    text-align: left;
}

/* Date Picker Modal Styles */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background-color: var(--bg-hover);
    color: var(--color-danger);
}

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

.date-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.date-input-group label {
    font-weight: 500;
    color: var(--text-secondary);
}

.recent-dates {
    margin-top: var(--spacing-lg);
}

.recent-dates h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.recent-dates-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.recent-date-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.recent-date-btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.recent-date-btn.selected {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

.modal-cancel {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-cancel:hover {
    background-color: var(--bg-hover);
}

/* Editing mode indicator */
.editing-mode-banner {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-warning);
    color: white;
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    z-index: 99;
    box-shadow: var(--shadow-md);
}

.editing-mode-banner button {
    margin-left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.editing-mode-banner button:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--radius-sm);
}

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

/* Desktop Layout - Pills and Calories side by side */
@media (min-width: 769px) {
    .container {
        grid-template-columns: 1fr 1fr;
        grid-template-areas: 
            "profile profile"
            "pills calories"
            "reports reports";
    }
    
    .profile-section {
        grid-area: profile;
    }
    
    .pills-section {
        grid-area: pills;
    }
    
    .calories-section {
        grid-area: calories;
    }
    
    .reports-section {
        grid-area: reports;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-lg);
    }
    
    .profile-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .pill-button {
        min-width: auto;
    }
    
    .calorie-input-group {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .intake-btn,
    .activity-btn {
        flex: none;
    }
    
    .quick-calorie-buttons {
        gap: var(--spacing-xs);
    }
    
    .quick-calorie-btn {
        padding: var(--spacing-sm);
        font-size: 0.8125rem;
    }
    
    .clear-input-btn {
        padding: var(--spacing-sm);
    }
    
    .history-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .history-controls {
        width: 100%;
        flex-direction: column;
    }
    
    .edit-history-btn {
        width: 100%;
    }
    
    .show-more-btn {
        align-self: stretch;
        text-align: center;
    }
    
    .reports-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .modal-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-lg);
    }
    
    .toggle-header:hover {
        padding-left: var(--spacing-xs);
        padding-right: var(--spacing-xs);
    }
}

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

.entry-item {
    animation: fadeIn var(--transition-slow) ease-out;
}

/* Category Styles */
.category-modal-content {
    padding: var(--spacing-md) 0;
}

.category-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.category-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.category-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.category-item .category-icon {
    font-size: 1.5rem;
    min-width: 2rem;
    text-align: center;
}

.category-item .category-name {
    font-weight: 500;
    color: var(--text-primary);
}

.category-item .category-type {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
}

/* Category display in entries */
.entry-category {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-sm);
    padding: 2px 6px;
    background: rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.entry-category .category-icon {
    font-size: 0.9rem;
}

.entry-category .category-name {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Add category button */
.add-category-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px 8px;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-success);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-base);
    margin-left: var(--spacing-sm);
}

.add-category-btn:hover {
    background: rgba(16, 185, 129, 0.3);
    border-color: rgba(16, 185, 129, 0.5);
}

.remove-category-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    margin-left: var(--spacing-xs);
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-danger);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.remove-category-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.5);
}

/* History category icons */
.history-categories {
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
    opacity: 0.8;
}

/* Categories Section in Reports */
.categories-container {
    margin-top: var(--spacing-xl);
}

.categories-section {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-info);
}

.categories-section h3 {
    margin: 0 0 var(--spacing-lg) 0;
    font-size: 1.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.categories-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.category-period {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    overflow: hidden;
}

.category-period-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-hover);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--border-primary);
}

.category-period-header:hover {
    background: rgba(71, 85, 105, 0.3);
}

.category-toggle {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: transform var(--transition-base);
    min-width: 16px;
    text-align: center;
}

.category-period-content {
    display: none;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
}

.category-period-content.expanded {
    display: block;
}

.category-item-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-info);
    transition: all var(--transition-base);
}

.category-item-stats:hover {
    background: var(--bg-hover);
    transform: translateX(2px);
}

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

.category-item-stats .category-icon {
    font-size: 1.25rem;
    min-width: 1.5rem;
    text-align: center;
}

.category-item-stats .category-name {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 120px;
}

.category-item-stats .category-stats {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-left: auto;
}

/* Responsive design for categories */
@media (max-width: 768px) {
    .category-item-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .category-item-stats .category-name {
        min-width: auto;
    }
    
    .category-item-stats .category-stats {
        margin-left: 0;
        font-size: 0.8rem;
    }
    
    .categories-section {
        padding: var(--spacing-md);
    }
}

/* Print Styles */
@media print {
    .app-header,
    .save-status,
    .button-group,
    .custom-input-group,
    .clear-button,
    .delete-button,
    .edit-time-input,
    .add-category-btn,
    .remove-category-btn {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .entry-category {
        background: #f0f0f0;
        color: black;
        border-color: #ccc;
    }
    
    .categories-section {
        background: #f9f9f9;
        border: 1px solid #ccc;
    }
}