/* ===================================
   Mental Health Tracker - Styles
   Natural Minimalistic Color Palette
   =================================== */

/* CSS Variables - Color Palette */
:root {
    --sage-green: #8B9D83;
    --warm-gray: #A8A6A1;
    --off-white: #F5F4F0;
    --charcoal: #3A3A3A;
    --taupe: #D4C5B9;
    --light-gray: #E8E6E1;
    
    /* Semantic colors */
    --primary-color: var(--sage-green);
    --secondary-color: var(--warm-gray);
    --background-color: var(--off-white);
    --text-color: var(--charcoal);
    --card-background: #FFFFFF;
    --border-color: var(--light-gray);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   App Container
   =================================== */

.app-container {
    max-width: 414px;
    margin: 0 auto;
    min-height: 100vh;
    background-color: var(--background-color);
    position: relative;
    padding-bottom: 80px; /* Space for bottom nav */
}

/* ===================================
   Screen Management
   =================================== */

.screen {
    display: none;
    padding: var(--spacing-md);
    padding-bottom: var(--spacing-xl);
    animation: fadeIn var(--transition-normal);
    min-height: calc(100vh - 80px);
}

.screen.active {
    display: block;
}

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

/* ===================================
   Typography
   =================================== */

h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: var(--spacing-xs);
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: var(--spacing-sm);
}

/* Screen header h2 styling to match h1 */
.screen-header h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--warm-gray);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Screen Headers
   =================================== */

.screen-header {
    margin-bottom: var(--spacing-lg);
}

.date-display {
    font-size: 0.9rem;
    color: var(--warm-gray);
}

/* ===================================
   Mood Tracker Section
   =================================== */

.mood-tracker {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.mood-selector {
    display: flex;
    justify-content: space-around;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.mood-btn {
    background: var(--off-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 2rem;
    width: 60px;
    height: 60px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mood-btn:hover {
    transform: scale(1.1);
    border-color: var(--sage-green);
}

.mood-btn:active,
.mood-btn.selected {
    background: var(--sage-green);
    border-color: var(--sage-green);
    transform: scale(1.05);
}

.mood-btn.small {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
}

.mood-feedback {
    text-align: center;
    color: var(--sage-green);
    font-weight: 500;
    margin-top: var(--spacing-sm);
    min-height: 1.5rem;
}

/* ===================================
   Daily Tip Section
   =================================== */

.daily-tip {
    margin-bottom: var(--spacing-md);
}

.tip-card {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--sage-green);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.tip-card p {
    color: var(--charcoal);
    line-height: 1.7;
}

/* ===================================
   Quick Actions
   =================================== */

.quick-actions {
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Buttons
   =================================== */

.action-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

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

.action-btn.primary:hover {
    background: #7a8c73;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 157, 131, 0.3);
}

.action-btn.secondary {
    background: var(--taupe);
    color: var(--charcoal);
}

.action-btn.secondary:hover {
    background: #c4b5a9;
    transform: translateY(-2px);
}

/* ===================================
   Mood Chart Section
   =================================== */

.mood-chart-section {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.chart-container {
    margin-top: var(--spacing-md);
    overflow-x: auto;
}

#mood-chart {
    display: block;
    max-width: 100%;
}

/* ===================================
   Assessment Screen
   =================================== */

.assessment-intro {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.question-group {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.question-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.question-number {
    color: var(--sage-green);
    font-weight: 600;
    margin-right: var(--spacing-xs);
}

.question-text {
    color: var(--charcoal);
}

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

.radio-label {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.radio-label:hover {
    border-color: var(--sage-green);
    background: var(--off-white);
}

.radio-label input[type="radio"] {
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--sage-green);
}

.radio-label input[type="radio"]:checked + span {
    font-weight: 600;
    color: var(--sage-green);
}

/* ===================================
   Assessment Results
   =================================== */

.results-container {
    animation: fadeIn var(--transition-normal);
}

.results-card {
    background: var(--card-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.score-display {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--off-white);
    border-radius: var(--radius-md);
}

.score-label {
    font-size: 0.9rem;
    color: var(--warm-gray);
    margin-bottom: var(--spacing-xs);
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--sage-green);
    margin: var(--spacing-sm) 0;
}

.score-max {
    font-size: 0.9rem;
    color: var(--warm-gray);
}

.interpretation {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: left;
}

.interpretation h3 {
    margin-bottom: var(--spacing-sm);
}

.interpretation.no-depression {
    background: #e8f5e9;
    border-left: 4px solid #4caf50;
}

.interpretation.mild {
    background: #fff9e6;
    border-left: 4px solid #ffc107;
}

.interpretation.moderate {
    background: #fff3e0;
    border-left: 4px solid #ff9800;
}

.interpretation.moderately-severe {
    background: #ffe6e6;
    border-left: 4px solid #ff5722;
}

.interpretation.severe {
    background: #ffebee;
    border-left: 4px solid #f44336;
}

.crisis-notice {
    background: #ffebee;
    border: 2px solid #f44336;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    text-align: left;
}

.crisis-notice strong {
    color: #f44336;
}

/* ===================================
   Journal Screen
   =================================== */

.journal-entry-form {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--charcoal);
}

.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--charcoal);
    resize: vertical;
    transition: border-color var(--transition-fast);
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--sage-green);
}

.journal-entries {
    margin-top: var(--spacing-lg);
}

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

.entry-card {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
}

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

.entry-mood {
    font-size: 1.5rem;
}

.entry-date {
    font-size: 0.85rem;
    color: var(--warm-gray);
}

.entry-text {
    color: var(--charcoal);
    line-height: 1.6;
}

.entry-delete {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: transparent;
    border: none;
    color: var(--warm-gray);
    cursor: pointer;
    font-size: 1.2rem;
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.entry-delete:hover {
    color: #f44336;
}

.no-entries {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--warm-gray);
}

/* ===================================
   Resources Screen
   =================================== */

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

.search-box {
    margin-bottom: var(--spacing-md);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--sage-green);
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid var(--border-color);
    background: var(--card-background);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--sage-green);
}

.filter-btn.active {
    background: var(--sage-green);
    color: white;
    border-color: var(--sage-green);
}

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

.resource-card {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.resource-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.resource-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--light-gray);
    color: var(--charcoal);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.resource-category.crisis {
    background: #ffebee;
    color: #c62828;
}

.resource-category.therapy {
    background: #e8f5e9;
    color: #2e7d32;
}

.resource-category.support {
    background: #e3f2fd;
    color: #1565c0;
}

.resource-category.self-help {
    background: #fff9e6;
    color: #f57c00;
}

.resource-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: var(--spacing-xs);
}

.resource-description {
    color: var(--warm-gray);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

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

.resource-link {
    color: var(--sage-green);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.resource-link:hover {
    color: #7a8c73;
    text-decoration: underline;
}

.resource-phone {
    color: var(--charcoal);
    font-weight: 600;
}

/* ===================================
   Profile Screen
   =================================== */

.profile-info {
    margin-bottom: var(--spacing-lg);
}

.profile-card {
    background: var(--card-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.profile-avatar {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.profile-card h2 {
    margin-bottom: var(--spacing-xs);
}

.join-date {
    color: var(--warm-gray);
    font-size: 0.9rem;
}

.progress-overview {
    margin-bottom: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

.stat-label {
    font-size: 0.85rem;
    color: var(--warm-gray);
}

.assessment-history {
    margin-bottom: var(--spacing-lg);
}

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

.history-item {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.history-date {
    color: var(--warm-gray);
    font-size: 0.9rem;
}

.history-score {
    font-weight: 600;
    color: var(--sage-green);
}

.no-history {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--warm-gray);
}

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

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

.settings-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--card-background);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.settings-btn:hover {
    border-color: var(--sage-green);
    background: var(--off-white);
}

/* ===================================
   Bottom Navigation
   =================================== */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    max-width: 414px;
    width: 100%;
    background: var(--card-background);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-xs) 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: var(--spacing-xs);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--warm-gray);
}

.nav-btn:hover {
    color: var(--sage-green);
}

.nav-btn.active {
    color: var(--sage-green);
}

.nav-icon {
    font-size: 1.5rem;
}

.nav-label {
    font-size: 0.7rem;
    font-weight: 500;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 375px) {
    .mood-btn {
        width: 50px;
        height: 50px;
        font-size: 1.75rem;
    }
    
    .nav-label {
        font-size: 0.65rem;
    }
    
    .filter-buttons {
        gap: 0.25rem;
    }
    
    .filter-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }
}

@media (min-width: 415px) {
    .app-container {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    }
}

/* ===================================
   Accessibility
   =================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* ===================================
   Utility Classes
   =================================== */

.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}