/**
 * Slim Badkamer — Material Design 3 systeem
 * Uniforme componenten & elevations voor het hele platform
 */

:root {
  /* Material elevation shadows */
  --md-elev-1: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.08);
  --md-elev-2: 0 2px 4px rgba(0,0,0,.06), 0 4px 8px rgba(0,0,0,.10);
  --md-elev-3: 0 4px 8px rgba(0,0,0,.08), 0 8px 16px rgba(0,0,0,.14);
  --md-elev-4: 0 8px 16px rgba(0,0,0,.10), 0 16px 32px rgba(0,0,0,.16);
  --md-elev-5: 0 16px 32px rgba(0,0,0,.12), 0 24px 48px rgba(0,0,0,.20);

  /* Material color roles (op basis van #b11e1e brand) */
  --md-primary: #b11e1e;
  --md-on-primary: #ffffff;
  --md-primary-container: #ffe2e2;
  --md-on-primary-container: #410001;

  --md-secondary: #6b1818;
  --md-secondary-container: #f5e3e3;

  --md-tertiary: #2a0a0a;
  --md-on-tertiary: #ffffff;

  --md-surface: #fffbfb;
  --md-surface-variant: #f7eeee;
  --md-on-surface: #181818;
  --md-on-surface-variant: #5a5555;

  --md-outline: #e8dada;
  --md-outline-variant: #ede0e0;

  --md-success: #166534;
  --md-success-container: #dcfce7;
  --md-warning: #b45309;
  --md-warning-container: #fef3c7;
  --md-error: #b1291f;
  --md-error-container: #fee2e2;

  /* Motion */
  --md-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --md-easing-emphasized: cubic-bezier(0.3, 0, 0, 1);
  --md-duration-short: 150ms;
  --md-duration-medium: 250ms;
  --md-duration-long: 400ms;

  /* Typography scale (MD3) */
  --md-font-display: 'Montserrat', system-ui, sans-serif;
  --md-font-body: 'Inter', system-ui, sans-serif;
}

/* ====================================================
   PAGE HEADER WIDGET — breadcrumb + title bar
   ==================================================== */
.page-header {
  background: linear-gradient(135deg, #fbf5f5 0%, #f7eeee 100%);
  border-bottom: 1px solid var(--md-outline);
  padding: 1rem 0 1.4rem;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  top: -80px; right: -80px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(177,30,30,.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-header .container { position: relative; }

.breadcrumb {
  display: flex; align-items: center; gap: .4rem;
  font-size: .82rem; color: var(--md-on-surface-variant);
  margin-bottom: .8rem; flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--md-on-surface-variant);
  text-decoration: none;
  transition: color var(--md-duration-short) var(--md-easing-standard);
}
.breadcrumb a:hover { color: var(--md-primary); }
.breadcrumb .sep { color: var(--md-outline); }
.breadcrumb .current { color: var(--md-on-surface); font-weight: 600; }

.page-header .title-row {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 2rem; flex-wrap: wrap;
}
.page-header h1 {
  font-family: var(--md-font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 700; color: var(--md-on-surface);
  margin: 0; line-height: 1.15;
}
.page-header .subtitle {
  font-size: .98rem; color: var(--md-on-surface-variant);
  margin-top: .4rem; max-width: 60ch;
}
.page-header .actions {
  display: flex; gap: .6rem; flex-wrap: wrap;
}

/* ====================================================
   MATERIAL CHIPS
   ==================================================== */
.md-chip {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .3rem .85rem;
  background: var(--md-surface-variant);
  color: var(--md-on-surface-variant);
  border: 1px solid var(--md-outline);
  border-radius: 8px;
  font-size: .8rem; font-weight: 500;
  text-decoration: none;
  transition: all var(--md-duration-short) var(--md-easing-standard);
  cursor: pointer;
}
.md-chip:hover {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-color: var(--md-primary);
}
.md-chip.active {
  background: var(--md-primary);
  color: var(--md-on-primary);
  border-color: var(--md-primary);
}
.md-chip i { font-size: .85em; }
.md-chip-sm { padding: .2rem .55rem; font-size: .72rem; }

/* ====================================================
   STICKY CTA BAR (page-bottom or section-bottom)
   ==================================================== */
.sticky-cta {
  position: sticky;
  bottom: 0;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--md-outline);
  padding: .8rem 0;
  z-index: 50;
  box-shadow: var(--md-elev-3);
}
.sticky-cta .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.sticky-cta .info { font-size: .9rem; color: var(--md-on-surface-variant); }
.sticky-cta strong { color: var(--md-on-surface); }

/* ====================================================
   MATERIAL CARDS
   ==================================================== */
.md-card {
  background: var(--md-surface);
  border-radius: 12px;
  border: 1px solid var(--md-outline);
  padding: 1.5rem;
  transition: box-shadow var(--md-duration-medium) var(--md-easing-standard),
              transform var(--md-duration-medium) var(--md-easing-standard);
}
.md-card:hover { box-shadow: var(--md-elev-2); }
.md-card-elevated { border: none; box-shadow: var(--md-elev-1); }
.md-card-elevated:hover { box-shadow: var(--md-elev-3); transform: translateY(-2px); }
.md-card-filled { background: var(--md-surface-variant); border: none; }

.md-card-header {
  display: flex; align-items: center; gap: .8rem;
  margin-bottom: 1rem; padding-bottom: 1rem;
  border-bottom: 1px solid var(--md-outline);
}
.md-card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--md-primary-container);
  color: var(--md-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.md-card-title {
  font-family: var(--md-font-display);
  font-weight: 700; font-size: 1rem;
  color: var(--md-on-surface);
  margin: 0;
}
.md-card-subtitle {
  font-size: .82rem; color: var(--md-on-surface-variant);
  margin: .2rem 0 0;
}

/* ====================================================
   MATERIAL BUTTONS — uitbreiding op .btn
   ==================================================== */
.btn-fab {
  width: 56px; height: 56px;
  border-radius: 16px;
  padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--md-elev-3);
}
.btn-fab:hover { box-shadow: var(--md-elev-4); transform: translateY(-2px); }

.btn-tonal {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container) !important;
  border: 1px solid transparent;
}
.btn-tonal:hover {
  background: #ffd1d1;
  text-decoration: none;
}

/* ====================================================
   MATERIAL ALERT / TOAST
   ==================================================== */
.md-alert {
  display: flex; align-items: flex-start; gap: .8rem;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  border-left: 4px solid var(--md-primary);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-size: .92rem;
}
.md-alert i:first-child { font-size: 1.2rem; flex-shrink: 0; margin-top: .1rem; }
.md-alert-success { border-left-color: var(--md-success); background: var(--md-success-container); color: var(--md-success); }
.md-alert-warning { border-left-color: var(--md-warning); background: var(--md-warning-container); color: var(--md-warning); }
.md-alert-info { border-left-color: #1d4ed8; background: #dbeafe; color: #1e3a8a; }

/* ====================================================
   MATERIAL DIVIDER & SECTION HEADER
   ==================================================== */
.md-divider {
  border: none;
  height: 1px;
  background: var(--md-outline);
  margin: 1.5rem 0;
}

.section-head-md {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.section-head-md .label {
  display: inline-block;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  padding: .25rem .8rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-head-md h2 {
  font-family: var(--md-font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 .5rem;
}
.section-head-md p {
  color: var(--md-on-surface-variant);
  max-width: 56ch;
  margin: 0 auto;
  font-size: 1.02rem;
}

/* ====================================================
   PAGE INDEX SIDEBAR (sticky inhoudsopgave)
   ==================================================== */
.page-index {
  position: sticky; top: 90px;
  padding: 1rem;
  background: var(--md-surface);
  border: 1px solid var(--md-outline);
  border-radius: 12px;
  font-size: .88rem;
}
.page-index h4 {
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--md-on-surface-variant); margin: 0 0 .8rem;
}
.page-index a {
  display: block; padding: .35rem .5rem;
  color: var(--md-on-surface);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
}
.page-index a:hover, .page-index a.active {
  background: var(--md-primary-container);
  border-left-color: var(--md-primary);
  color: var(--md-on-primary-container);
}

/* ====================================================
   FORM UPGRADE — Material outlined inputs
   ==================================================== */
.md-input {
  position: relative;
  margin-bottom: 1.2rem;
}
.md-input input,
.md-input textarea,
.md-input select {
  width: 100%;
  padding: 1rem .9rem .55rem;
  border: 1px solid var(--md-outline);
  border-radius: 8px;
  font: inherit; font-size: 1rem;
  background: transparent;
  outline: none;
  transition: border-color var(--md-duration-short);
}
.md-input input:focus,
.md-input textarea:focus,
.md-input select:focus {
  border-color: var(--md-primary);
  border-width: 2px;
  padding-top: calc(1rem - 1px);
  padding-bottom: calc(.55rem - 1px);
}
.md-input label {
  position: absolute;
  top: 1rem; left: .9rem;
  font-size: 1rem; color: var(--md-on-surface-variant);
  background: var(--md-surface);
  padding: 0 .25rem;
  pointer-events: none;
  transition: all var(--md-duration-short) var(--md-easing-standard);
}
.md-input input:focus ~ label,
.md-input textarea:focus ~ label,
.md-input select:focus ~ label,
.md-input input:not(:placeholder-shown) ~ label,
.md-input textarea:not(:placeholder-shown) ~ label,
.md-input select:not(:placeholder-shown) ~ label {
  top: -.5rem; left: .7rem;
  font-size: .75rem;
  color: var(--md-primary);
  font-weight: 600;
}

/* ====================================================
   STEPPER / WIZARD PROGRESS (uniform)
   ==================================================== */
.md-stepper {
  display: flex; gap: .5rem;
  background: var(--md-surface);
  border: 1px solid var(--md-outline);
  padding: .8rem 1rem; border-radius: 12px;
  overflow-x: auto;
}
.md-stepper .step {
  display: flex; align-items: center; gap: .5rem;
  padding: .4rem .8rem;
  border-radius: 999px;
  font-size: .85rem; font-weight: 500;
  color: var(--md-on-surface-variant);
  white-space: nowrap;
  transition: all var(--md-duration-short);
}
.md-stepper .step .num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--md-surface-variant);
  color: var(--md-on-surface-variant);
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem; font-weight: 700;
}
.md-stepper .step.active {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}
.md-stepper .step.active .num {
  background: var(--md-primary); color: var(--md-on-primary);
}
.md-stepper .step.done .num {
  background: var(--md-success); color: #fff;
}
.md-stepper .step.done .num::before { content: "✓"; }
.md-stepper .step.done .num span { display: none; }
.md-stepper .arrow {
  align-self: center;
  color: var(--md-outline);
  font-size: .78rem;
}

/* ====================================================
   SKELETON LOADER
   ==================================================== */
.md-skeleton {
  background: linear-gradient(90deg, #f0f0f0 0%, #f8f8f8 50%, #f0f0f0 100%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: 6px;
}
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ====================================================
   RESPONSIVE TWEAKS
   ==================================================== */
@media (max-width: 720px) {
  .page-header { padding: .8rem 0 1rem; }
  .page-header .title-row { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .md-stepper { font-size: .8rem; }
  .md-stepper .step { padding: .3rem .55rem; }
}

/* ====================================================
   ENSURE DARK SECTION TEXT IS READABLE (override)
   ==================================================== */
.section-dark, .section-dark * {
  color: rgba(255,255,255,.92);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
  color: #fff !important;
}
.section-dark a:not(.btn) {
  color: #ffd7d7;
  text-decoration-color: rgba(255,215,215,.4);
}
.section-dark .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.3);
}
.section-dark .btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
}