/* =============================================
   MMPI-II SCORER — MIND VIBES
   Colour scheme: White + Purple
   Font: Poppins throughout
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&display=swap');

:root {
  --bg:            #ffffff;
  --bg-soft:       #f7f4fc;
  --bg-card:       #ffffff;
  --bg-purple:     #4b2683;
  --bg-purple-deep:#3a1a6e;
  --bg-purple-soft:#ede6f7;

  --accent:        #4b2683;
  --accent-light:  #7c3fbf;
  --accent-pale:   #ede6f7;
  --accent-dim:    rgba(75,38,131,0.10);
  --accent-hover:  #3a1a6e;

  --border:        rgba(75,38,131,0.12);
  --border-strong: rgba(75,38,131,0.25);

  --text-primary:   #1a0a35;
  --text-secondary: #5a4a7a;
  --text-muted:     #9585b4;
  --text-on-purple: #ffffff;

  --red:        #d63031;
  --red-dim:    rgba(214,48,49,0.10);
  --green:      #00b894;
  --green-dim:  rgba(0,184,148,0.10);
  --amber:      #e17055;
  --amber-dim:  rgba(225,112,85,0.10);

  --font-body:    'Poppins', sans-serif;
  --font-display: 'Poppins', sans-serif;
  --font-mono:    'Poppins', sans-serif;

  --radius:    10px;
  --radius-lg: 18px;
  --shadow:    0 2px 16px rgba(75,38,131,0.10);
  --shadow-md: 0 4px 32px rgba(75,38,131,0.16);
  --transition: 220ms cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg-soft);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

.grain { display: none; }

/* =============================================
   SCREENS
   ============================================= */
.screen { display: none; min-height: 100vh; position: relative; }
.screen.active { display: flex; flex-direction: column; }

/* =============================================
   SCREEN 1 — INSTRUCTIONS
   ============================================= */
.instr-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  min-height: 100vh;
}

.instr-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 4rem;
  background: linear-gradient(160deg, var(--bg-purple) 0%, var(--bg-purple-deep) 100%);
  position: sticky;
  top: 0;
  height: 100vh;
  user-select: none;
}

.logo-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-bottom: 2.5rem;
  filter: brightness(0) invert(1);
  user-select: none;
  pointer-events: none;
}
.logo-img-sm {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

/* fallback text badge */
.logo-mark {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 0.35rem 0.7rem;
  display: inline-block;
  margin-bottom: 2.5rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.08);
  user-select: none;
  pointer-events: none;
}
.logo-mark.small { margin-bottom: 0; }

.instr-title {
  font-size: clamp(3rem, 5vw, 4.8rem);
  font-weight: 700;
  line-height: 1.1;
  color: #ffffff;
  letter-spacing: -0.02em;
}
.instr-title em {
  font-style: normal;
  font-weight: 300;
  color: rgba(255,255,255,0.75);
  display: block;
}

.instr-sub {
  margin-top: 1.25rem;
  font-size: 0.88rem;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  max-width: 34ch;
}

.instr-meta {
  margin-top: 3rem;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.05em;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.dot { color: rgba(255,255,255,0.6); }

.instr-right {
  overflow-y: auto;
  padding: 4rem 3.5rem;
  background: var(--bg-soft);
  display: flex;
  align-items: flex-start;
}

.instr-card { width: 100%; max-width: 600px; }

.card-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.instr-card p {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.8;
}

.scales-grid { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 0.5rem; }

.scale-group-title {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.scale-pills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.scale-pills span {
  font-size: 0.7rem;
  font-weight: 500;
  background: var(--accent-pale);
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 99px;
}

.disclaimer-text {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
  font-style: italic;
  line-height: 1.7 !important;
  border-left: 3px solid var(--border-strong);
  padding-left: 1rem;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-top: 2rem;
  cursor: pointer;
}
.consent-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
}
.consent-row span {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  padding: 0.85rem 2rem;
  background: var(--accent);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  width: 100%;
  box-shadow: 0 4px 14px rgba(75,38,131,0.25);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(75,38,131,0.35);
}
.btn-primary:disabled { opacity: 0.35; cursor: not-allowed; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  background: #ffffff;
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 500;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-secondary:hover {
  background: var(--accent-pale);
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn-ghost:hover { color: var(--accent); background: var(--accent-dim); }

/* =============================================
   SCREEN 2 — AUTH
   ============================================= */
.auth-layout {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  background: var(--bg-soft);
  position: relative;
}
.auth-layout::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 220px;
  background: linear-gradient(160deg, var(--bg-purple) 0%, var(--bg-purple-deep) 100%);
  z-index: 0;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
  animation: fadeUp 0.4s ease both;
  user-select: none;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.auth-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0.75rem 0 1.5rem;
  letter-spacing: -0.02em;
}

.tab-row {
  display: flex;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 3px;
  margin-bottom: 1.75rem;
  background: var(--bg-soft);
}
.tab {
  flex: 1;
  padding: 0.55rem;
  background: transparent;
  border: none;
  border-radius: calc(var(--radius) - 2px);
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.tab.active {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(75,38,131,0.2);
}

.auth-form { display: flex; flex-direction: column; }
.auth-form.hidden { display: none; }

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.field-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}
.field-group input,
.field-group select {
  background: var(--bg-soft);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 0.72rem 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.field-group select option { background: #fff; }
.field-group input:focus,
.field-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(75,38,131,0.08);
  background: #fff;
}
.field-group input::placeholder { color: var(--text-muted); }

.form-error {
  font-size: 0.78rem;
  color: var(--red);
  min-height: 1rem;
  margin-bottom: 0.25rem;
}

.auth-switch {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}
.auth-switch a { color: var(--accent); font-weight: 600; text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }

/* =============================================
   NAV
   ============================================= */
.top-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 2rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
  background: #ffffff;
  box-shadow: 0 1px 8px rgba(75,38,131,0.07);
}
.nav-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  flex: 1;
  text-transform: uppercase;
}
.nav-right { display: flex; align-items: center; gap: 1rem; }

.session-timer {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--amber-dim);
  border: 1.5px solid var(--amber);
  color: var(--amber);
  padding: 0.3rem 0.8rem;
  border-radius: 99px;
}
.session-timer.urgent {
  background: var(--red-dim);
  border-color: var(--red);
  color: var(--red);
  animation: pulse 1s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }

/* =============================================
   SCREEN 3 — UPLOAD
   ============================================= */
.upload-layout {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  gap: 1.5rem;
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.upload-header { text-align: center; }
.upload-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.upload-header p {
  margin-top: 0.5rem;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.upload-zone {
  width: 100%;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
  cursor: pointer;
  background: #ffffff;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-pale);
  box-shadow: 0 0 0 4px rgba(75,38,131,0.06);
}
.upload-icon { color: var(--accent); width: 52px; height: 52px; }
.upload-label { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.upload-sub { font-size: 0.8rem; color: var(--text-muted); }
.upload-format {
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.5rem;
  max-width: 48ch;
  line-height: 1.6;
}

.upload-actions { display: flex; gap: 1rem; justify-content: center; }
.download-btn { gap: 0.4rem; }

.file-preview {
  width: 100%;
  background: #ffffff;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: var(--shadow);
  animation: fadeUp 0.3s ease both;
}
.file-preview.hidden { display: none; }
.file-info { display: flex; align-items: center; gap: 1rem; color: var(--text-secondary); }
.file-name { font-weight: 600; color: var(--text-primary); font-size: 0.9rem; }
.file-rows { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.2rem; }
.file-preview .btn-primary { width: auto; margin-top: 0; white-space: nowrap; }

/* =============================================
   SCREEN 4 — RESULTS
   ============================================= */
.results-layout {
  flex: 1;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

.results-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.results-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.results-meta p {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.chart-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.chart-legend { display: flex; gap: 1.5rem; }
.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-muted);
}
.legend-line { display: inline-block; width: 24px; height: 2px; border-radius: 2px; }
.legend-line.clinical { background: var(--red); }
.legend-line.normal   { background: var(--green); }

.chart-wrapper { height: 320px; position: relative; }

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 1.5rem;
}

.scores-card,
.interp-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.scores-table { width: 100%; border-collapse: collapse; margin-top: 0.75rem; }
.scores-table th {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1.5px solid var(--border);
}
.scores-table td {
  padding: 0.55rem 0.5rem;
  font-size: 0.83rem;
  border-bottom: 1px solid var(--border);
}
.scores-table tr:last-child td { border-bottom: none; }
.score-val { font-weight: 600; }
.score-val.elevated  { color: var(--red); }
.score-val.borderline{ color: var(--amber); }
.score-val.normal    { color: var(--green); }

.range-pill {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 99px;
  font-size: 0.65rem;
  font-weight: 600;
}
.range-pill.elevated  { background: var(--red-dim);   color: var(--red); }
.range-pill.borderline{ background: var(--amber-dim); color: var(--amber); }
.range-pill.normal    { background: var(--green-dim); color: var(--green); }

.interp-card .card-label { margin-bottom: 1rem; }

.interp-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  background: var(--accent-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.6rem;
  animation: fadeUp 0.3s ease both;
}
.interp-item:last-child { margin-bottom: 0; }
.interp-scale { font-size: 0.72rem; font-weight: 700; color: var(--accent); letter-spacing: 0.05em; }
.interp-text  { font-size: 0.8rem; font-weight: 400; color: var(--text-secondary); line-height: 1.6; }
.interp-empty { font-size: 0.83rem; color: var(--text-muted); font-style: italic; }

/* =============================================
   SCREEN 5 — EXPIRED
   ============================================= */
.expired-layout {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  gap: 1.5rem;
  background: var(--bg-soft);
}
.expired-title {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.expired-sub {
  font-size: 1rem;
  font-weight: 400;
  font-style: italic;
  color: var(--accent);
}
.expired-body {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 48ch;
}
.expired-layout .btn-primary { width: auto; padding: 0.85rem 2.5rem; }

/* =============================================
   DB SETUP NOTICE
   ============================================= */
.db-notice {
  position: fixed;
  inset: 0;
  background: rgba(75,38,131,0.35);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  backdrop-filter: blur(6px);
}
.db-notice.hidden { display: none; }
.db-notice-card {
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 460px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.db-notice-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-primary); }
.db-notice-card p  { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 0.5rem; }
.db-notice-card code {
  font-size: 0.8rem;
  background: var(--accent-pale);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--accent);
  font-family: monospace;
}
.db-notice-card .btn-primary { margin-top: 1.25rem; }

/* =============================================
   UTILITY
   ============================================= */
.hidden { display: none !important; }

@media (max-width: 900px) {
  .instr-layout { grid-template-columns: 1fr; }
  .instr-left { position: relative; height: auto; padding: 3rem 2rem 2rem; }
  .instr-right { padding: 2rem; }
  .results-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .results-header { flex-direction: column; }
  .chart-card-header { flex-direction: column; gap: 0.75rem; }
  .file-preview { flex-direction: column; }
}