/* Sleep apnea screening — clean medical UI (#3886aa accent) */

:root {
  --color-primary: #3886aa;
  --color-primary-dark: #2d6d8c;
  --color-primary-soft: rgba(56, 134, 170, 0.12);
  --color-text: #1a2b33;
  --color-muted: #5a6f78;
  --color-border: #e2edf2;
  --color-bg: #f6fafc;
  --color-card: #ffffff;
  --shadow-sm: 0 2px 8px rgba(26, 43, 51, 0.06);
  --shadow-md: 0 8px 28px rgba(26, 43, 51, 0.08);
  --radius: 16px;
  --radius-sm: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--color-text);
  background: linear-gradient(180deg, #eef6f9 0%, var(--color-bg) 32%, #f9fbfc 100%);
  min-height: 100vh;
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

body.nav-open {
  overflow: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.app-shell {
  max-width: 720px;
  margin: 0 auto;
  padding-top: 0;
  padding-right: max(18px, env(safe-area-inset-right, 0px));
  padding-bottom: max(48px, env(safe-area-inset-bottom, 0px));
  padding-left: max(18px, env(safe-area-inset-left, 0px));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 250, 252, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  margin: 0 -18px 20px;
  padding: 0 18px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  margin: 0 auto;
  min-height: max(64px, calc(52px + env(safe-area-inset-top, 0px)));
  padding-top: env(safe-area-inset-top, 0);
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-link:hover {
  text-decoration: none;
}

.logo-wrap {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 6px 0;
  border-radius: var(--radius-sm);
}

.logo-img {
  display: block;
  max-height: 48px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(var(--shadow-sm));
}

/* Fallback if logo file missing */
.logo-img:not([src]),
.logo-img[src=""] {
  visibility: hidden;
  width: 140px;
  height: 40px;
}

.menu-toggle {
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 12px;
  background: var(--color-card);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.menu-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.menu-toggle:active {
  transform: scale(0.97);
}

.hamburger {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  border-radius: 2px;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.menu-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 43, 51, 0.35);
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.nav-overlay:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(300px, 86vw);
  height: 100%;
  background: var(--color-card);
  z-index: 70;
  box-shadow: -12px 0 40px rgba(26, 43, 51, 0.12);
  transform: translateX(100%);
  transition: transform var(--transition);
  padding: 88px 24px 24px;
}

.nav-drawer.is-open {
  transform: translateX(0);
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list li {
  margin-bottom: 8px;
}

.nav-list a {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--color-text);
  background: transparent;
  transition: background var(--transition), color var(--transition);
  min-height: 48px;
}

.nav-list a:hover {
  background: var(--color-primary-soft);
  text-decoration: none;
  color: var(--color-primary-dark);
}

.app-main {
  flex: 1;
}

.app-footer {
  margin-top: auto;
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
  color: var(--color-muted);
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(226, 237, 242, 0.9);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: 0 12px 36px rgba(26, 43, 51, 0.1);
}

.view.hidden {
  display: none;
}

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 8px;
}

.page-title {
  font-size: clamp(1.45rem, 4.5vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--color-text);
  margin-bottom: 80px;
}

.lead {
  margin: 0 0 24px;
  color: var(--color-muted);
  font-size: 1.02rem;
}

.welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

.welcome-actions .hidden {
  display: none !important;
}

.section-title {
  font-size: 1.25rem;
  margin: 0 0 16px;
}

.welcome-image {
  width: 100%;
  height: 50%;
  /* max-height: 220px; */
  object-fit: cover;
 
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  padding: 12px 20px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform 0.15s ease, box-shadow var(--transition);
}

.btn:active {
  transform: scale(0.98);
}

.btn-lg {
  padding: 16px 24px;
  font-size: 17px;
  min-height: 52px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(56, 134, 170, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.04);
  box-shadow: 0 8px 26px rgba(56, 134, 170, 0.42);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: none;
  box-shadow: none;
}

.btn-ghost {
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-primary-soft);
}

.btn-block {
  width: 100%;
  margin-top: 12px;
}

/* Progress */
.progress-wrap {
  margin-bottom: 22px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.progress-bar {
  height: 8px;
  background: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), #5cb3d4);
  border-radius: 99px;
  transition: width 0.45s ease;
}

/* Question stage */
.question-stage {
  min-height: 200px;
  position: relative;
}

.question-panel {
  animation: fadeSlideIn 0.42s ease both;
}

.question-panel.is-leaving {
  animation: fadeSlideOut 0.32s ease both;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateX(18px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeSlideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-14px);
  }
}

.question-num {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.question-text {
  font-size: 1.18rem;
  font-weight: 650;
  margin: 0 0 16px;
  line-height: 1.35;
}

.question-media {
  margin: 0 0 22px;
}

.media-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  border: 2px dashed #c9dce6;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, #fafcfd, #f0f6f9);
  color: var(--color-muted);
  font-size: 15px;
  text-align: center;
  padding: 16px;
}

.media-placeholder span {
  max-width: 280px;
}

.question-photo {
  display: block;
  width: 100%;
  min-height: 140px;
  max-height: 260px;
  object-fit: contain;
  object-position: center;
  background: #f0f6f9;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

/* DA / NE */
.yesno-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.btn-choice {
  min-height: 56px;
  font-size: 18px;
  border-radius: 14px;
  border: 2px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform 0.15s ease, box-shadow var(--transition);
}

.btn-choice:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.btn-choice.is-selected {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, #e8f4f8, #dff0f6);
  box-shadow: 0 4px 16px rgba(56, 134, 170, 0.2);
}

.btn-choice:active {
  transform: scale(0.98);
}

/* Sleepiness cards */
.option-grid {
  display: grid;
  gap: 12px;
}

.option-card {
  text-align: left;
  padding: 16px 18px;
  border-radius: 14px;
  border: 2px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  font-family: inherit;
  transition: border-color var(--transition), background var(--transition), transform 0.15s ease, box-shadow var(--transition);
}

.option-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.option-card.is-selected {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #e8f3f7, #dceef4);
  box-shadow: var(--shadow-md);
}

.option-title {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.option-desc {
  font-size: 14px;
  color: var(--color-muted);
}

.quiz-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.quiz-nav .btn {
  flex: 1;
  min-width: 120px;
}

/* Final */
.result-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.stat-pill {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.stat-pill strong {
  font-size: 15px;
  color: var(--color-muted);
  font-weight: 600;
}

.stat-pill span {
  font-weight: 700;
  color: var(--color-primary-dark);
}

.recommendation {
  padding: 18px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  border: 1px solid rgba(56, 134, 170, 0.22);
  margin-bottom: 24px;
  font-size: 1rem;
}

.recommendation p {
  margin: 0 0 12px;
}

.recommendation p:last-child {
  margin-bottom: 0;
}

.contact-form .form-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.form-hint.save-hint {
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 600;
}

.form-row {
  margin-bottom: 14px;
}

.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-row input {
  width: 100%;
  padding: 14px 14px;
  font-size: 16px; /* iOS: avoids zoom */
  border-radius: 12px;
  border: 1px solid var(--color-border);
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-row input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.save-status {
  min-height: 1.4em;
  font-size: 15px;
  color: var(--color-muted);
  margin: 8px 0 12px;
}

.save-status.is-success {
  color: #2a7d5e;
  font-weight: 600;
}

.save-status.is-error {
  color: #c0392b;
  font-weight: 600;
}

/* Results dashboard page */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.kpi h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  margin: 0 0 8px;
  line-height: 1.3;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin: 0;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.chart-wide {
  grid-column: 1 / -1;
}

.chart-title {
  font-size: 1.05rem;
  margin: 0 0 12px;
}

.chart-canvas-wrap {
  position: relative;
  height: 260px;
}

.chart-card.chart-wide .chart-canvas-wrap {
  height: 280px;
}

.table-section {
  overflow: hidden;
}

.table-scroll {
  overflow-x: auto;
  margin: 0 -6px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 720px;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background: var(--color-bg);
  font-weight: 700;
  white-space: nowrap;
}

.data-table tr:hover td {
  background: #fafcfd;
}

.empty-cell {
  text-align: center;
  color: var(--color-muted);
  padding: 24px !important;
}

.alert {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.alert-error {
  background: #fdecea;
  border: 1px solid #f5c2c0;
  color: #842029;
}

/* --- PWA / touch / safe areas (iPhone, iPad) --- */
button,
.btn,
.menu-toggle,
.nav-list a,
a.brand-link {
  touch-action: manipulation;
}

body.page-results {
  padding-left: 0;
  padding-right: 0;
  overflow-x: hidden;
}

body.page-results .app-shell {
  --shell-pad-l: max(16px, env(safe-area-inset-left, 0px));
  --shell-pad-r: max(16px, env(safe-area-inset-right, 0px));
  width: 100%;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
  padding-left: var(--shell-pad-l);
  padding-right: var(--shell-pad-r);
  padding-top: 0;
  padding-bottom: max(48px, env(safe-area-inset-bottom, 0px));
}

body.page-results .app-header {
  margin-left: calc(-1 * var(--shell-pad-l));
  margin-right: calc(-1 * var(--shell-pad-r));
  margin-bottom: 20px;
  padding-left: var(--shell-pad-l);
  padding-right: var(--shell-pad-r);
  width: calc(100% + var(--shell-pad-l) + var(--shell-pad-r));
  max-width: none;
  box-sizing: border-box;
}

body.page-results .header-inner {
  max-width: none;
  width: 100%;
  margin-left: 0;
  margin-right: 0;
}

/* --- Rezultati: tablet i mobilni --- */
.results-main {
  padding-bottom: max(8px, env(safe-area-inset-bottom, 0px));
  width: 100%;
  box-sizing: border-box;
}

.results-main .page-title {
  margin-bottom: 20px;
  font-size: clamp(1.25rem, 4.2vw, 1.75rem);
  line-height: 1.25;
  padding-right: 8px;
}

.page-results .chart-card {
  padding: clamp(16px, 3.5vw, 22px);
}

.page-results .chart-title {
  font-size: clamp(0.98rem, 2.8vw, 1.05rem);
  line-height: 1.35;
}

.kpi-grid {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 158px), 1fr));
  gap: clamp(10px, 2.5vw, 16px);
}

.kpi.card {
  min-height: 100px;
  padding: clamp(14px, 3vw, 18px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.kpi h3 {
  font-size: clamp(12px, 2.8vw, 13px);
}

.kpi-value {
  font-size: clamp(1.45rem, 5vw, 1.75rem);
}

.charts-grid {
  grid-template-columns: 1fr;
  gap: clamp(14px, 3vw, 18px);
}

.chart-canvas-wrap {
  height: clamp(220px, 42vw, 280px);
  min-height: 200px;
}

.chart-card.chart-wide .chart-canvas-wrap {
  height: clamp(240px, 48vw, 300px);
  min-height: 220px;
}

.table-scroll {
  margin: 0;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-sm);
}

.data-table {
  font-size: clamp(13px, 2.8vw, 14px);
}

.data-table th,
.data-table td {
  padding: clamp(8px, 2vw, 12px) clamp(8px, 2vw, 12px);
}

.page-results .app-footer {
  padding-bottom: max(12px, env(safe-area-inset-bottom, 0px));
}

.page-results .app-footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 8px 12px;
}

/* Tablet: dve kolone za grafike gde ima smisla */
@media (min-width: 700px) and (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .charts-grid .chart-card.chart-wide,
  .charts-grid .chart-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  .kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1025px) {
  .charts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-wide {
    grid-column: 1 / -1;
  }

  .kpi-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

/* Veliki telefon / mali tablet */
@media (min-width: 480px) and (max-width: 699px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .yesno-row {
    grid-template-columns: 1fr;
  }

  .quiz-nav {
    flex-direction: column-reverse;
  }

  .quiz-nav .btn {
    width: 100%;
  }
}