/* Pillulu Health Assistant - Elderly-friendly design */
/* Color palette: #bee9e8, #62b6cb, #1b4965, #cae9ff, #5fa8d3 */

:root {
  --bg-light: #bee9e8;
  --bg-alt: #cae9ff;
  --primary: #1b4965;
  --secondary: #62b6cb;
  --accent: #5fa8d3;
  --card-border: #62b6cb;
  --text: #1b4965;
  --text-muted: #2c5f7a;
  --white: #ffffff;
  --error: #c0392b;
  --success: #27ae60;
  --font-size-base: 18px;
  --font-size-lg: 22px;
  --font-size-xl: 26px;
  --spacing: 1.25rem;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(27, 73, 101, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-alt) 100%);
  min-height: 100vh;
}

/* Header - compact */
.header {
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.header-left {
  text-align: left;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-email {
  font-size: 0.85rem;
  opacity: 0.95;
}

.btn-header {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 0.35rem 0.75rem;
  font-size: 0.9rem;
}

.btn-header:hover {
  background: rgba(255, 255, 255, 0.3);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1.35rem;
  margin: 0 0 0.15rem 0;
  font-weight: 700;
}

.logo-icon {
  width: 1.35rem;
  height: 1.35rem;
  object-fit: contain;
  display: inline-block;
}

/* Login modal */
.login-modal-content {
  position: relative;
}

.login-form,
.register-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.login-form label,
.register-form label {
  font-weight: 500;
}

/* Force consistent auth input appearance across browsers (esp. password in Safari/WebKit). */
#login-email,
#login-password,
#register-email,
#register-password {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.95rem;
  border: 2px solid var(--card-border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  background: var(--white);
  color: var(--text);
  -webkit-appearance: none;
  appearance: none;
}

#login-email:focus,
#login-password:focus,
#register-email:focus,
#register-password:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27, 73, 101, 0.2);
}

.terms-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  margin: 0.25rem 0 0.5rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: #f7fcff;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.terms-check input {
  width: auto;
  margin: 0.15rem 0 0 0;
  flex-shrink: 0;
}

.terms-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: underline;
}

.terms-link:hover {
  color: var(--accent);
}

.login-divider {
  margin: 0.5rem 0;
  font-weight: 600;
  color: var(--text-muted);
}

.btn-success {
  background: var(--success);
  color: white;
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-close:hover {
  color: var(--text);
}

.tagline {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.95;
}

/* Disclaimer - compact */
.disclaimer-banner {
  background: #fff3cd;
  color: #856404;
  padding: 0.4rem 1rem;
  text-align: center;
  font-size: 0.85rem;
  border-bottom: 2px solid #ffc107;
  position: sticky;
  top: 0;
  z-index: 100;
}

/* App layout: sidebar + main */
.app-layout {
  display: flex;
  min-height: calc(100vh - 120px);
}

.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-alt);
  border-right: 2px solid var(--card-border);
  padding: 1rem;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.profile-section {
  padding: 0;
  min-height: auto;
}

.profile-display {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.profile-item {
  margin: 0;
  font-size: 0.95rem;
}

.profile-label {
  font-weight: 600;
  color: var(--text-muted);
  display: inline-block;
  min-width: 4.5em;
}

.profile-login-prompt {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.profile-login-prompt p {
  margin: 0;
}

/* Weather widget */
.weather-section {
  padding: 0;
  min-height: auto;
  margin-top: 1rem;
}

.weather-widget {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.weather-location {
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.95;
  margin-bottom: 0.25rem;
}

.weather-temp {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
}

.weather-temp-value {
  font-size: 2.25rem;
}

.weather-temp-alt {
  font-size: 0.85rem;
  opacity: 0.9;
}

.weather-desc {
  font-size: 0.95rem;
  margin-top: 0.25rem;
  opacity: 0.95;
}

.weather-details {
  font-size: 0.8rem;
  margin-top: 0.5rem;
  opacity: 0.85;
}

.weather-forecast {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.forecast-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  opacity: 0.95;
}

.forecast-date {
  font-weight: 600;
}

.forecast-icon {
  font-size: 1.1rem;
}

.forecast-temp {
  font-size: 0.75rem;
}

.weather-empty {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.75rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px dashed var(--card-border);
}

.weather-empty p {
  margin: 0;
}

.weather-attribution {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin: 0.5rem 0 0 0;
}

.weather-attribution a {
  color: var(--secondary);
}

/* Main - dashboard grid */
.main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
  max-width: 1400px;
  margin: 0 auto;
  height: calc(100vh - 120px);
  box-sizing: border-box;
}

.section {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1rem;
  border: 2px solid var(--card-border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.section h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
  color: var(--primary);
  flex-shrink: 0;
}

.section-desc {
  color: var(--text-muted);
  margin: 0 0 0.5rem 0;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover {
  opacity: 0.9;
}

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

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
}

.btn-small {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

/* Inputs */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="time"],
select,
textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.95rem;
  border: 2px solid var(--card-border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27, 73, 101, 0.2);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}

/* Search */
#search-section .results-grid {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.search-box {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-shrink: 0;
}

.search-box .input-with-clear {
  flex: 1;
}

.search-box .input-with-clear input {
  flex: 1;
  margin-bottom: 0;
  padding: 0.5rem 0.75rem;
  font-size: 0.95rem;
}

#scan-btn {
  white-space: nowrap;
}

.scan-video-wrap {
  width: 100%;
  border: 2px solid var(--card-border);
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  margin-bottom: 0.75rem;
}

#scan-video {
  width: 100%;
  display: block;
  min-height: 220px;
  object-fit: cover;
}

.scan-status {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
}

.scan-status.error {
  color: var(--error);
  border-color: var(--error);
  background: #fde8e8;
}

.input-with-clear {
  position: relative;
  width: 100%;
}

.input-with-clear input {
  padding-right: 2rem;
}

.input-with-clear textarea {
  padding-right: 2rem;
  margin-bottom: 0;
}

.input-clear-btn {
  position: absolute;
  top: 50%;
  right: 0.45rem;
  transform: translateY(-50%);
  width: 1.4rem;
  height: 1.4rem;
  border: none;
  border-radius: 50%;
  background: rgba(27, 73, 101, 0.12);
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.input-with-clear textarea + .input-clear-btn {
  top: 0.7rem;
  transform: none;
}

.input-clear-btn:hover {
  background: rgba(27, 73, 101, 0.2);
  color: var(--primary);
}

.results-grid {
  display: grid;
  gap: 0.5rem;
}

.med-card {
  background: var(--bg-alt);
  border: 2px solid var(--card-border);
  border-radius: 8px;
  padding: 0.75rem;
}

.med-card h4 {
  margin: 0 0 0.25rem 0;
  font-size: 0.95rem;
  color: var(--primary);
}

.med-card p {
  margin: 0.15rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.med-card .card-actions {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* AI */
#ai-section {
  overflow-y: auto;
}

#ai-section .ai-form {
  flex-shrink: 0;
}

#ai-section .ai-form textarea {
  min-height: 60px;
  padding: 0.5rem 0.75rem;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

#ai-section .ai-form input {
  padding: 0.5rem 0.75rem;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

#ai-section #ai-answer {
  flex: 1;
  min-height: 0;
}

.ai-answer {
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: var(--bg-alt);
  border-radius: 8px;
  border-left: 4px solid var(--secondary);
}

.answer-content {
  font-size: 0.9rem;
}

.ai-suggested-meds {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.ai-suggested-meds .suggested-label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  width: 100%;
}

.answer-disclaimer {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Pillbox */
#pillbox-section #pillbox-list,
#pillbox-section .empty-state {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.pillbox-list {
  display: grid;
  gap: 0.75rem;
}

.pillbox-card {
  background: var(--bg-alt);
  border: 2px solid var(--card-border);
  border-radius: 8px;
  padding: 0.75rem;
}

.pillbox-card h4 {
  margin: 0 0 0.35rem 0;
  font-size: 0.95rem;
  color: var(--primary);
}

.stock-info {
  font-size: 0.9rem;
  margin: 0.25rem 0;
}

.stock-info.low {
  color: var(--error);
  font-weight: 600;
}

.schedule-list {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--card-border);
}

.schedule-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0;
  font-size: 0.85rem;
}

.schedule-item .schedule-time {
  font-weight: 600;
}

.pillbox-card .card-actions {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.empty-state {
  text-align: center;
  padding: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Notifications */
.countdown-section {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 2px solid var(--card-border);
}

.countdown-title {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  color: var(--primary);
}

.countdown-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  background: var(--white);
  border-radius: 8px;
  border: 1px solid var(--card-border);
}

.countdown-med {
  font-weight: 600;
  color: var(--primary);
}

.countdown-time {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.countdown-timer {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.notifications-header {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.notifications-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.notifications-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.notification-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--white);
}

.notification-item.unread {
  background: #f0f7ff;
  border-color: var(--primary);
}

.notification-item.read {
  opacity: 0.85;
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-content strong {
  display: block;
  margin-bottom: 0.25rem;
}

.notification-content p {
  margin: 0 0 0.25rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.notification-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 2px solid var(--primary);
}

.modal-content h3 {
  margin: 0 0 1.5rem 0;
  color: var(--primary);
}

.modal-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.modal-actions .btn {
  flex: 1;
}

/* Days checkboxes */
.days-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.day-check {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
  cursor: pointer;
  font-size: 0.9rem;
}

.day-check input {
  width: auto;
  margin: 0;
}

.next-reminder-preview {
  padding: 0.75rem 1rem;
  background: var(--bg-alt);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.next-reminder-preview strong {
  color: var(--primary);
}

/* Banners */
.error-banner,
.success-banner {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.error-banner {
  background: #fde8e8;
  color: var(--error);
  border: 2px solid var(--error);
}

.success-banner {
  background: #e8f8f0;
  color: var(--success);
  border: 2px solid var(--success);
}

.hidden {
  display: none !important;
}

/* Responsive - stack on mobile */
@media (max-width: 900px) {
  .app-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    min-width: unset;
    border-right: none;
    border-bottom: 2px solid var(--card-border);
  }

  .main {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    height: auto;
    min-height: auto;
  }

  .section {
    min-height: 180px;
  }
}

@media (max-width: 600px) {
  .main {
    padding: 0.75rem;
  }

  .section {
    padding: 0.75rem;
  }

  .search-box {
    flex-direction: column;
  }

  .email-form {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Footer - sidebar bottom */
.page-footer {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--text-muted);
}