/* 
 * Style System: Digital Anxiety Intervention Research Project
 * Minimal, clinical, and human-designed aesthetic.
 * Warm neutrals, slate gray, and sage green accents.
 * Soft clinical accents, restrained borders, and low-contrast status colors.
 */

:root {
  --bg-primary: #fbfbf9;      /* warm off-white / alabaster */
  --bg-secondary: #f4f3ef;    /* slightly darker neutral */
  --text-primary: #2d312e;    /* dark charcoal */
  --text-secondary: #606461;  /* slate grey */
  --text-muted: #8c8f8c;       /* light slate */
  --accent-sage: #3f654c;     /* primary accent (clinical sage green) */
  --accent-sage-light: #dce8de;/* light sage for hover/backgrounds */
  --accent-slate: #415964;    /* secondary accent (slate gray) */
  --accent-blue: #3f6878;     /* calm informational blue */
  --accent-blue-light: #dcecf0;
  --accent-lavender: #5b5570; /* muted emotional wellbeing accent */
  --accent-lavender-light: #e8e0ec;
  --notification-red: #8f3d39; /* notifications, warnings, pending attention */
  --notification-red-light: #f4dedd;
  --border-color: #dcdbd3;    /* thin neutral borders */
  --border-hover: #9c9b93;    /* interactive border focus */
  --alert-red: #a24b45;       /* clinical warning / safety red */
  --alert-red-light: #f7eded; /* soft warning background */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 900px;
}

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

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

/* App Layout & Shell */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  border-bottom: 1px solid var(--border-color);
  background-color: #fcfcfa;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-sub {
  color: var(--text-secondary);
  font-weight: 300;
  font-size: 0.85rem;
  border-left: 1px solid var(--border-color);
  padding-left: 0.5rem;
}

nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

nav a, nav button {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem 0;
  font-family: inherit;
  transition: color 0.15s ease;
}

nav a:hover, nav button:hover {
  color: var(--accent-sage);
}

nav a.active {
  color: var(--text-primary);
  border-bottom: 1px solid var(--accent-sage);
}

main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem;
}

footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.safety-disclaimer {
  color: var(--alert-red);
  max-width: 700px;
  line-height: 1.5;
  font-size: 0.85rem;
}

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

.view.active {
  display: block;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Typography */
h1 {
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  line-height: 1.3;
}

h2 {
  font-size: 1.4rem;
  font-weight: 400;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

p {
  margin-bottom: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
}

ul, ol {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

li {
  margin-bottom: 0.4rem;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-sage);
  background-color: #ffffff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--accent-sage);
  background-color: var(--accent-sage);
  color: white;
  transition: all 0.15s ease;
  border-radius: 0;
}

.btn:hover {
  background-color: #31533c;
  border-color: #31533c;
}

.btn:disabled {
  background-color: var(--border-color);
  border-color: var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent-sage);
  border: 1px solid var(--accent-sage);
}

.btn-secondary:hover {
  background-color: var(--accent-sage-light);
  color: var(--accent-sage);
}

.btn-danger {
  background-color: transparent;
  color: var(--alert-red);
  border: 1px solid var(--alert-red);
}

.btn-danger:hover {
  background-color: var(--alert-red-light);
  color: var(--alert-red);
}

.btn-info {
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
  border-color: #9dbdc6;
}

.btn-info:hover {
  background-color: #c5dde3;
  border-color: #82a8b4;
  color: #2f5666;
}

.btn-small {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Layout Utilities */
.spacious-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.spacer-y {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.flex-row-space {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Consent Checkbox Wrap */
.consent-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.2rem;
  cursor: pointer;
}

.consent-item input[type="checkbox"] {
  margin-top: 0.25rem;
  accent-color: var(--accent-sage);
  width: 1.1rem;
  height: 1.1rem;
}

.consent-item label {
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
}

/* Weekly GAD-7 Table & Slider Layouts */
.gad7-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2.5rem;
  font-size: 0.9rem;
}

.gad7-table th {
  text-align: left;
  border-bottom: 2px solid var(--border-color);
  padding: 0.75rem 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
  background-color: var(--accent-blue-light);
}

.gad7-table td {
  padding: 1rem 0.5rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.gad7-table tr:hover td {
  background-color: var(--accent-sage-light);
}

.radio-cell {
  text-align: center;
  width: 10%;
  cursor: pointer;
}

.radio-cell input[type="radio"] {
  accent-color: var(--accent-sage);
  cursor: pointer;
  width: 1.1rem;
  height: 1.1rem;
}

/* Behavioral Indicator Sliders */
.slider-group {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}

.slider-label {
  font-weight: 500;
  color: var(--text-primary);
}

.slider-value {
  font-weight: 600;
  color: var(--accent-sage);
}

.slider-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.slider-input-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.slider-input-wrapper input[type="range"] {
  flex: 1;
  accent-color: var(--accent-sage);
  height: 4px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}

.slider-input-wrapper input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--accent-sage);
  cursor: pointer;
}

.slider-bounds {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Dashboard Cards & Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.dashboard-section {
  border: 1px solid var(--border-color);
  background-color: #fffefb;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dashboard-section:nth-child(2n) {
  background-color: #fbfdfb;
}

.dashboard-section:nth-child(3n) {
  background-color: #fbfcfd;
}

.dashboard-section-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-slate);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}

.stat-large {
  font-size: 2.2rem;
  font-weight: 300;
  line-height: 1;
  color: var(--text-primary);
}

.severity-indicator {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  background-color: var(--accent-blue-light);
  border: 1px solid #9dbdc6;
  color: var(--accent-blue);
}

.severity-indicator.minimal {
  background-color: var(--accent-blue-light);
  border-color: #9dbdc6;
  color: var(--accent-blue);
}

.severity-indicator.mild {
  background-color: var(--accent-sage-light);
  border-color: #a9c4ad;
  color: var(--accent-sage);
}

.severity-indicator.moderate {
  background-color: var(--notification-red-light);
  border-color: #c77f7b;
  color: var(--notification-red);
}

.severity-indicator.severe {
  background-color: var(--alert-red-light);
  border-color: var(--alert-red);
  color: var(--alert-red);
}

/* Alert Boxes */
.alert-box {
  border: 1px solid var(--border-color);
  padding: 1.2rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alert-box.danger {
  border-color: var(--alert-red);
  background-color: var(--alert-red-light);
}

.alert-box-title {
  font-weight: 600;
  color: var(--text-primary);
}

.alert-box.danger .alert-box-title {
  color: var(--alert-red);
}

/* Areas That Need Attention Banner */
.attention-banner-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  background-color: var(--notification-red-light);
  border: 1px solid #c77f7b;
  border-bottom: none;
}

.attention-banner-icon {
  font-size: 0.85rem;
  color: var(--notification-red);
  flex-shrink: 0;
}

.attention-banner-title {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--notification-red);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.attention-banner-subtitle {
  font-size: 0.75rem;
  color: var(--notification-red);
  font-weight: 400;
  margin-left: auto;
  white-space: nowrap;
}

.attention-items-list {
  border: 1px solid #c77f7b;
  background-color: #fff5f4;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.attention-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 1.1rem;
  border-right: 1px solid #e3aaa7;
  border-bottom: 1px solid #e3aaa7;
  transition: background-color 0.15s ease;
}

.attention-item:hover {
  background-color: #f7d5d3;
}

.attention-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.attention-item-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.attention-item-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.attention-item-badge.moderate {
  background-color: var(--notification-red-light);
  color: var(--notification-red);
  border: 1px solid #c77f7b;
}

.attention-item-badge.high {
  background-color: var(--alert-red-light);
  color: var(--alert-red);
  border: 1px solid var(--alert-red);
}

.attention-item-advice {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.55;
}


/* Interactive Explanations Overlay */
.explanation-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(250, 249, 245, 0.95);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.explanation-modal.active {
  opacity: 1;
  pointer-events: all;
}

.explanation-content {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 650px;
  padding: 2.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.explanation-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

/* Progress Trend Graph (Pure SVG styling) */
.trend-svg-container {
  width: 100%;
  border: 1px solid var(--border-color);
  background-color: #fcfefc;
  padding: 1rem;
  margin-top: 1rem;
}

.trend-line {
  fill: none;
  stroke: var(--accent-sage);
  stroke-width: 2.5;
}

.trend-point {
  fill: var(--accent-sage);
  stroke: var(--bg-primary);
  stroke-width: 2;
  cursor: pointer;
}

.trend-point:hover {
  fill: var(--accent-slate);
}

.trend-grid-line {
  stroke: var(--border-color);
  stroke-dasharray: 2;
  stroke-width: 1;
}

.trend-label {
  font-size: 10px;
  fill: var(--text-secondary);
}

/* Recommendation Checklist items */
.rec-list-item {
  border-left: 2px solid var(--accent-sage);
  background-color: #f3f8f4;
  border-top: 1px solid #cfded2;
  border-right: 1px solid #cfded2;
  border-bottom: 1px solid #cfded2;
  padding: 1rem 1rem 1rem 1.1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rec-list-item:not(.completed) {
  border-left-color: var(--notification-red);
  background-color: #fff5f4;
}

.rec-list-item.completed {
  border-left-color: var(--accent-sage);
  background-color: #edf5ee;
  opacity: 0.92;
}

.rec-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.rec-title-row h4 {
  font-size: 1.05rem;
  font-weight: 500;
}

.rec-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.action-control {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.action-checkbox {
  cursor: pointer;
  accent-color: var(--accent-sage);
  width: 1.15rem;
  height: 1.15rem;
}

.action-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.55rem;
  padding: 0.18rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.2;
  border: 1px solid var(--border-color);
  white-space: nowrap;
}

.action-status.completed {
  background-color: var(--accent-sage-light);
  border-color: #9dbd9f;
  color: var(--accent-sage);
}

.action-status.pending {
  background-color: var(--notification-red-light);
  border-color: #c77f7b;
  color: var(--notification-red);
}

.rec-rule {
  font-family: monospace;
  background-color: var(--accent-blue-light);
  padding: 0.3rem 0.5rem;
  font-size: 0.8rem;
  color: var(--accent-slate);
  border: 1px solid #a9c7cf;
  margin-top: 0.5rem;
}

/* History & Rules List */
.history-entry {
  border-left: 2px solid #a9c4ad;
  border-bottom: 1px solid var(--border-color);
  background-color: #fffefb;
  padding: 1rem 1rem 1.5rem 1rem;
  margin-bottom: 1.5rem;
}

.history-entry:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.history-action {
  border-left: 2px solid var(--accent-slate);
  padding: 0.8rem 0.9rem;
  margin-top: 0.75rem;
  border-top: 1px solid #d7e0d3;
  border-right: 1px solid #d7e0d3;
  border-bottom: 1px solid #d7e0d3;
}

.history-action.completed {
  border-left-color: var(--accent-sage);
  background-color: #edf5ee;
}

.history-action.pending {
  border-left-color: var(--notification-red);
  background-color: #fff5f4;
}

.rule-logic-card {
  border: 1px solid var(--border-color);
  background-color: #fffefb;
  padding: 1.2rem;
  margin-bottom: 1rem;
}

.rule-logic-card code {
  display: block;
  background-color: var(--accent-blue-light);
  padding: 0.6rem;
  border-radius: 0;
  margin-top: 0.5rem;
  font-family: monospace;
  font-size: 0.85rem;
  border: 1px solid var(--border-color);
  white-space: pre-wrap;
  word-break: break-all;
}

/* Journal logs style */
.journal-log-entry {
  border-left: 2px solid var(--accent-lavender);
  background-color: var(--accent-lavender-light);
  padding-left: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

/* Admin Dashboard Table styling */
.admin-table-container {
  overflow-x: auto;
  margin-top: 1.5rem;
  border: 1px solid var(--border-color);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table th {
  background-color: var(--accent-blue-light);
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-weight: 500;
}

.admin-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.admin-table tr:hover td {
  background-color: var(--accent-sage-light);
}

/* Rating inputs in Feedback form */
.rating-group {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.rating-btn {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  font-size: 0.9rem;
}

.rating-btn:hover {
  border-color: var(--accent-sage);
}

.rating-btn.selected {
  background-color: var(--accent-sage);
  color: white;
  border-color: var(--accent-sage);
}

/* Print/Clinician report adjustments */
@media print {
  body {
    background-color: white;
    color: black;
    font-size: 12pt;
  }
  header, nav, footer, button, .btn, .no-print {
    display: none !important;
  }
  main {
    padding: 0;
    margin: 0;
    max-width: 100%;
  }
  .dashboard-section, .alert-box, .rule-logic-card {
    page-break-inside: avoid;
    border: 1px solid #000 !important;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }
  nav {
    width: 100%;
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
    gap: 1.2rem;
    scrollbar-width: none; /* Hide scrollbar for Firefox */
  }
  nav::-webkit-scrollbar {
    display: none; /* Hide scrollbar for Safari/Chrome */
  }
  nav a, nav button {
    flex-shrink: 0;
  }
  main {
    padding: 1.5rem 1rem;
  }
}