/* assets/style.css - Material Design UI styling */
:root {
  --primary: #1976d2;
  --primary-light: #42a5f5;
  --primary-dark: #0d47a1;
  --accent: #ff4081;
  --text-primary: #212121;
  --text-secondary: #757575;
  --divider: #e0e0e0;
  --background: #f5f5f5;
  --card-bg: #ffffff;
  --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  --shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  --transition: all 0.3s cubic-bezier(.25,.8,.25,1);
}

/* Base & Typography */
body { 
  background: var(--background); 
  font-family: 'Roboto', sans-serif;
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.navbar {
  background-color: var(--primary) !important;
  color: white;
  box-shadow: var(--shadow-1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  color: white !important;
  font-weight: 500;
  display: flex;
  align-items: center;
}

.navbar-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Material Search Box */
.search-container {
  position: relative;
  min-width: 200px;
}

.search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 20px;
}

.search-input {
  width: 100%;
  padding: 8px 8px 8px 36px;
  border: none;
  border-radius: 4px;
  background: rgba(255,255,255,0.15);
  color: white;
  transition: var(--transition);
}

.search-input::placeholder {
  color: rgba(255,255,255,0.7);
}

.search-input:focus {
  background: white;
  color: var(--text-primary);
  outline: none;
  box-shadow: var(--shadow-1);
}

.search-input:focus + .search-icon,
.search-input:focus::placeholder {
  color: var(--primary);
}

/* Material Form Controls */
.filters-container {
  display: flex;
  gap: 8px;
}

.material-select {
  padding: 8px 12px;
  border: none;
  border-radius: 4px;
  background: rgba(255,255,255,0.15);
  color: white;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 24px;
  padding-right: 32px;
}

.material-select:focus {
  outline: none;
  background-color: white;
  color: var(--text-primary);
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231976d2'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
}

.material-input,
.material-textarea {
  width: 100%;
  padding: 12px;
  border: none;
  border-bottom: 1px solid var(--divider);
  background: transparent;
  transition: var(--transition);
  font-size: 16px;
}

.material-input:focus,
.material-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 1px 0 0 var(--primary);
}

.material-form-field {
  margin-bottom: 24px;
  position: relative;
}

.material-form-field label {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

/* Task Grid & Cards */
.tasks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  padding: 16px 0;
}

.task-card { 
  background: var(--card-bg);
  border-radius: 8px;
  padding: 16px;
  box-shadow: var(--shadow-1);
  transition: var(--transition);
  cursor: default;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.task-card:hover { 
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

/* Modal */
.material-modal {
  border-radius: 8px;
  overflow: hidden;
}

.modal-header {
  border-bottom: 1px solid var(--divider);
}

.modal-footer {
  border-top: 1px solid var(--divider);
}

/* Buttons */
.material-btn {
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  border-radius: 4px;
  box-shadow: var(--shadow-1);
  transition: var(--transition);
}

.material-btn:hover {
  box-shadow: var(--shadow-2);
}

.fab { 
  position: fixed; 
  right: 24px; 
  bottom: 24px; 
  width: 56px; 
  height: 56px; 
  border-radius: 50%; 
  display: flex; 
  align-items: center; 
  justify-content: center;
  background-color: var(--accent);
  color: white;
  border: none;
  box-shadow: var(--shadow-2);
  transition: var(--transition);
}

.fab:hover, .fab:focus {
  box-shadow: var(--shadow-3);
  transform: scale(1.05);
}

.fab .material-icons {
  font-size: 24px;
}

/* Priority colors */
.priority-high {
  border-left: 4px solid #f44336;
}

.priority-medium {
  border-left: 4px solid #fb8c00;
}

.priority-low {
  border-left: 4px solid #4caf50;
}

/* Responsive */
@media (max-width: 992px) {
  .tasks-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .navbar-controls {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-top: 8px;
  }
  
  .navbar > .container {
    flex-direction: column;
    align-items: stretch;
  }
  
  .navbar-brand {
    margin-bottom: 8px;
  }
  
  .search-container {
    width: 100%;
  }
  
  .filters-container {
    width: 100%;
    justify-content: space-between;
  }
  
  .material-select {
    flex: 1;
  }
}

@media (max-width: 576px) { 
  .navbar { 
    padding: 12px; 
  }
  
  .container { 
    padding: 12px;
  }
  
  .fab {
    right: 16px;
    bottom: 16px;
  }
  
  .tasks-grid {
    grid-template-columns: 1fr;
  }
}