/* ==========================================================================
   Kinestrop Patiënten Dagboek — Stylesheet
   Design System: Outfit & Inter, Navy (#1E293B), Cyan (#0284C7), Soft Surfaces
   ========================================================================== */

:root {
  /* Brand Palette */
  --brand-primary: #1E293B;       /* Slate Navy */
  --brand-primary-light: #334155;
  --brand-secondary: #0284C7;     /* Cyan Blue */
  --brand-secondary-hover: #0369A1;
  --brand-accent-bg: #F0F9FF;
  
  /* Status Colors */
  --status-green: #10B981;
  --status-green-bg: #ECFDF5;
  --status-green-border: #A7F3D0;
  
  --status-orange: #F59E0B;
  --status-orange-bg: #FEF3C7;
  --status-orange-border: #FDE68A;
  
  --status-red: #EF4444;
  --status-red-bg: #FEF2F2;
  --status-red-border: #FECACA;

  /* Surfaces & Ink */
  --surface-base: #F8FAFC;
  --surface-card: #FFFFFF;
  --surface-elevated: #F1F5F9;
  --border-color: #E2E8F0;
  
  --ink-primary: #1C2833;
  --ink-muted: #64748B;
  --ink-light: #94A3B8;
  --ink-inverse: #FFFFFF;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Shadows & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.12);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--surface-base);
  color: var(--ink-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* Layout Container */
.app-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-logo-fallback {
  height: 42px;
  padding: 0 14px;
  background: var(--brand-primary);
  color: var(--brand-secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.brand-text h1 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--brand-primary);
  line-height: 1.2;
}

.brand-text p {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.date-badge-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-base);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.date-badge-wrapper label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.date-badge-wrapper input[type="date"] {
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--brand-primary);
  font-size: 0.95rem;
  cursor: pointer;
  outline: none;
}

/* Navigation Tabs */
.app-nav {
  display: flex;
  gap: 8px;
  background: var(--surface-elevated);
  padding: 6px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  overflow-x: auto;
}

.nav-btn {
  flex: 1;
  min-width: 120px;
  padding: 10px 14px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-muted);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}

.nav-btn:hover {
  color: var(--brand-primary);
  background: rgba(255, 255, 255, 0.6);
}

.nav-btn.active {
  background: var(--surface-card);
  color: var(--brand-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  border-color: var(--border-color);
}

/* Tab Views */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Section Cards */
.card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: #CBD5E1;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--surface-elevated);
}

.card-step {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--surface-elevated);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 600;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

.card-title-group h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--brand-primary);
}

.card-title-group p {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

/* Form Elements */
.form-group {
  margin-bottom: 20px;
}

.form-group:last-child {
  margin-bottom: 0;
}

label.form-label {
  display: block;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--brand-primary);
  margin-bottom: 6px;
}

.form-hint {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-bottom: 10px;
}

/* Sliders */
.slider-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.slider-container input[type="range"] {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: var(--surface-elevated);
  outline: none;
  accent-color: var(--brand-secondary);
  cursor: pointer;
}

.slider-value-badge {
  min-width: 60px;
  padding: 5px 12px;
  background: var(--surface-elevated);
  color: var(--brand-primary);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid var(--border-color);
}

/* Chips / Selection Buttons */
.chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.chip-item input[type="radio"],
.chip-item input[type="checkbox"] {
  display: none;
}

.chip-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: var(--surface-base);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-primary);
  gap: 4px;
}

.chip-label .chip-icon {
  font-size: 1.3rem;
}

.chip-item input:checked + .chip-label {
  border-color: var(--brand-secondary);
  background: var(--brand-accent-bg);
  color: var(--brand-secondary);
  font-weight: 600;
}

/* Text Inputs & Textareas */
input[type="text"],
textarea,
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-primary);
  background: var(--surface-card);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--brand-secondary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Buttons */
.btn-primary {
  background: var(--brand-primary);
  color: var(--ink-inverse);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--brand-primary-light);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--brand-primary);
  border: 1.5px solid var(--brand-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-secondary:hover {
  background: var(--surface-elevated);
}

/* Status Indicator Banner */
.status-banner {
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  background: var(--surface-card);
}

.status-banner.green {
  border-left: 4px solid var(--status-green);
}

.status-banner.orange {
  border-left: 4px solid var(--status-orange);
}

.status-banner.red {
  border-left: 4px solid var(--status-red);
}

.status-banner-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.status-banner-header h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--brand-primary);
}

.status-pill-badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.status-pill-badge.green {
  background: var(--status-green-bg);
  color: #065F46;
  border: 1px solid var(--status-green-border);
}

.status-pill-badge.orange {
  background: var(--status-orange-bg);
  color: #92400E;
  border: 1px solid var(--status-orange-border);
}

.status-pill-badge.red {
  background: var(--status-red-bg);
  color: #991B1B;
  border: 1px solid var(--status-red-border);
}

.status-text p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ink-primary);
}

/* Exercise Cards */
.exercise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.exercise-card {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  padding: 18px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.exercise-badge {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.badge-recovery { background: #F1F5F9; color: #475569; border: 1px solid #CBD5E1; }
.badge-mobility { background: #FEF3C7; color: #92400E; border: 1px solid #FDE68A; }
.badge-strength { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }

.exercise-card h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 4px;
}

.exercise-meta {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
}

.exercise-desc {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}

.exercise-action {
  margin-top: auto;
}

.check-btn {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  background: var(--surface-base);
  color: var(--ink-primary);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.check-btn.completed {
  background: #F0FDF4;
  border-color: #86EFAC;
  color: #166534;
}

/* Clinical disclaimer box */
.clinical-disclaimer-box {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-left: 3px solid var(--brand-secondary);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 18px;
  font-size: 0.86rem;
  color: var(--ink-primary);
  line-height: 1.5;
}

.clinical-disclaimer-box .disclaimer-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 4px;
}

/* History Items */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-item {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.history-date {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--brand-primary);
  font-size: 0.98rem;
}

.history-stats {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-muted);
  background: var(--surface-base);
  padding: 4px 10px;
  border-radius: 20px;
}

.history-actions {
  display: flex;
  gap: 8px;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink-muted);
  transition: all 0.2s ease;
}

.btn-icon:hover {
  color: var(--status-red);
  border-color: var(--status-red-border);
  background: var(--status-red-bg);
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--brand-primary);
  color: #FFF;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-weight: 500;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 24px 0;
  margin-top: auto;
  color: var(--ink-muted);
  font-size: 0.83rem;
  border-top: 1px solid var(--border-color);
}

/* PRINT STYLESHEET FOR KINE EXPORT */
@media print {
  body {
    background: #FFF !important;
    color: #000 !important;
    font-size: 11pt;
  }

  .app-container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .app-header,
  .app-nav, 
  .btn-primary, 
  .btn-secondary,
  .toast-notification,
  .app-footer,
  .no-print {
    display: none !important;
  }

  .tab-content {
    display: none !important;
  }

  #tab-export {
    display: block !important;
  }

  .card {
    box-shadow: none !important;
    border: 1px solid #CCC !important;
    break-inside: avoid;
    padding: 16px !important;
    margin-bottom: 14px !important;
  }

  .print-header {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid #1E293B;
    padding-bottom: 12px;
    margin-bottom: 20px;
  }
}