/* Global Styles & Variables */
:root {
  --primary-color: #007bff;
  --secondary-color: #6c757d;
  --background-color: #f8f9fa;
  --font-color: #333;
  --card-bg: #fff;
  --card-border-color: #ddd;
  --header-bg: #0056b3;
  --header-color: #fff;
  --btn-primary-bg: #28a745;
  --btn-primary-hover-bg: #218838;
  --btn-secondary-bg: #dc3545;
  --btn-secondary-hover-bg: #c82333;

  --status-green: #28a745;
  --status-yellow: #ffc107;
  --status-purple: #8a2be2;
  --status-red: #dc3545;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--font-color);
  margin: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 800px;
  margin: auto;
}

.card {
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--card-border-color);
  overflow: hidden;
}

.card-header {
  background-color: var(--header-bg);
  color: var(--header-color);
  padding: 15px 20px;
  font-size: 1.5rem;
  font-weight: 500;
  text-align: center;
  border-bottom: 1px solid var(--card-border-color);
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 20px;
  text-align: center;
  background-color: #f1f1f1;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: 5px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: #fff;
}
.btn-primary:hover {
  background-color: var(--btn-primary-hover-bg);
}

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: #fff;
}
.btn-secondary:hover {
  background-color: var(--btn-secondary-hover-bg);
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary-color);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
  margin-left: 5px;
}
.btn-link:hover {
  color: var(--header-bg);
}

/* Warning Page */
.warning-container .card-body p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Login Page */
.login-container .form-group {
  margin-bottom: 1rem;
}
.login-container label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.login-container input {
  width: 100%;
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  box-sizing: border-box; /* Important for width */
}
.login-container .form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
}

/* Main Menu */
.main-menu-container .user-info {
  margin-bottom: 2rem;
  font-size: 1.1rem;
}
.main-menu-container .menu-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.main-menu-container .menu-item {
  display: block;
  background: #e9ecef;
  padding: 15px;
  text-align: center;
  border-radius: 5px;
  text-decoration: none;
  color: var(--font-color);
  font-weight: 500;
  transition: background-color 0.2s;
}
.main-menu-container .menu-item:hover {
  background-color: #d8dde2;
}

/* Observation List */
.observation-list-container {
  max-width: 1000px;
}
.list-header {
  margin-bottom: 1rem;
}
.list-header .back-link {
  text-decoration: none;
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: inline-block;
}
.list-header h1 {
  text-align: center;
}
.filters {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.search-input {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  width: 250px;
}

.legend {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.legend-item {
  padding: 5px 10px;
  border-radius: 5px;
  color: white;
}
.legend-item.green {
  background-color: var(--status-green);
}
.legend-item.yellow {
  background-color: var(--status-yellow);
}
.legend-item.purple {
  background-color: var(--status-purple);
}
.legend-item.red {
  background-color: var(--status-red);
}

.patient-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.patient-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border-left: 8px solid;
}
.patient-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}
.patient-card.green {
  border-left-color: var(--status-green);
}
.patient-card.yellow {
  border-left-color: var(--status-yellow);
}
.patient-card.purple {
  border-left-color: var(--status-purple);
}
.patient-card.red {
  border-left-color: var(--status-red);
}

.patient-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}
.patient-info {
  flex-grow: 1;
}
.patient-name {
  font-weight: 600;
  font-size: 1.1rem;
}
.patient-dob {
  color: #666;
}
.patient-status {
  text-align: right;
}
.due-time {
  font-size: 1.2rem;
  font-weight: 700;
}
.monitoring-level,
.monitoring-interval {
  font-size: 0.9rem;
  color: #555;
  font-weight: bold;
}

/* Observation Task Page */
.observation-task-container {
  max-width: 900px;
}
.task-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.due-time-display {
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: 20px;
}
.patient-header {
  text-align: center;
  margin-bottom: 2rem;
}
.patient-img-large {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #eee;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.form-group {
  display: flex;
  flex-direction: column;
}
.form-group label {
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: #555;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-sizing: border-box;
}
.form-group input[readonly] {
  background-color: #e9ecef;
  cursor: not-allowed;
}
.form-group textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  border-top: 1px solid #eee;
  padding-top: 2rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background: white;
  padding: 30px;
  border-radius: 8px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  text-align: center;
}

.modal-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.modal-content li {
  padding: 15px;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  transition: background-color 0.2s;
}
.modal-content li:last-child {
  border-bottom: none;
}
.modal-content li:hover {
  background-color: #f1f1f1;
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}