@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600&display=swap');

:root {
  --bg-color: #f8f9f7;
  --surface-color: #ffffff;
  --primary-color: #4a7c59;
  --primary-light: #8fb996;
  --text-main: #2d3436;
  --text-muted: #636e72;
  --accent-color: #6c5ce7;
  --danger-color: #e17055;
  --success-color: #00b894;
  --border-radius: 12px;
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Outfit', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

header {
  background: var(--surface-color);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-subtle);
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mode-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.mode-badge.live { background: var(--success-color); color: #fff; }
.mode-badge.demo { background: #fdcb6e; color: #2d3436; }

.status {
  font-weight: 600;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.status::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.status.online { color: var(--success-color); }
.status.online::before { background: var(--success-color); }
.status.offline { color: var(--danger-color); }
.status.offline::before { background: var(--danger-color); }

#status-last-seen {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.mode-toggle-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mode-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  position: absolute;
}

.mode-label.demo {
  right: 100%;
  margin-right: 10px;
}

.mode-label.live {
  left: 100%;
  margin-left: 10px;
}

.mode-toggle-container.show-demo .mode-label.demo {
  opacity: 1;
}

.mode-toggle-container.show-live .mode-label.live {
  opacity: 1;
}

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #f1c40f; /* Demo Yellow */
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #2ecc71; /* Live Green */
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.logout-icon-btn {
  background: rgba(0,0,0,0.03);
  color: #1a1a1a; /* True dark for visibility */
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.logout-icon-btn:hover {
  background: rgba(225, 112, 85, 0.1);
  color: var(--danger-color);
  transform: translateY(-1px);
}

#sample-banner {
  background: #fff9db;
  color: #856404;
  padding: 10px 2rem;
  font-size: 0.9rem;
  text-align: center;
  border-bottom: 1px solid #ffeeba;
}

main {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

section {
  margin-bottom: 3rem;
}

section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.add-btn-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(74, 124, 89, 0.2);
  transition: var(--transition);
  padding: 0;
  line-height: 0;
}

.add-btn-circle.small {
  width: 32px;
  height: 32px;
  font-size: 1.4rem;
}

.add-btn-circle:hover {
  transform: rotate(90deg) scale(1.1);
  background: var(--primary-light);
}

.add-btn-circle.water-btn {
  background: #3498db;
  box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
}

.add-btn-circle.water-btn:hover {
  background: #2980b9;
  transform: scale(1.1) translateY(-2px);
}

.add-btn-circle.calendar-btn {
  background: var(--surface-color);
  color: var(--primary-color);
  border: 1px solid rgba(74, 124, 89, 0.2);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.add-btn-circle.calendar-btn:hover {
  background: #f8fcf9;
  transform: scale(1.1) translateY(-2px);
  border-color: var(--primary-color);
}

.modal-content.modal-large {
  max-width: 800px;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--surface-color);
  width: 90%;
  max-width: 500px;
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  position: relative;
  animation: slideUp 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.close-btn:hover {
  color: var(--danger-color);
}

.form-grid {
  display: grid;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Card Grid for Plants */
#plant-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.plant-card {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  padding: 0;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.02);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

.plant-compact-view {
  padding: 1.5rem;
  cursor: pointer;
}

.plant-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.plant-info h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.plant-info p {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plant-meta {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--primary-color);
  background: rgba(74, 124, 89, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.age-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Expanded State */
.plant-details {
  max-height: 0;
  opacity: 0;
  padding: 0 1.5rem;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  border-top: 0px solid rgba(0,0,0,0.05);
}

.plant-card.expanded .plant-details {
  max-height: 800px; /* Increased for more content */
  opacity: 1;
  padding: 1.5rem;
  border-top: 1px solid rgba(0,0,0,0.05);
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.settings-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.settings-group input, .settings-group select {
  font-size: 0.85rem;
  padding: 10px;
  width: 100%;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 8px;
  background: #fff;
  font-family: inherit;
}

.plant-actions {
  display: flex;
  gap: 8px;
}

.settings-fields-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.plant-main-image-container {
  width: 100%;
  height: 160px;
  margin-top: 1.5rem;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.image-display-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
}

.plant-main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-uploader-main {
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.03);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.image-uploader-main:hover {
  background: rgba(0,0,0,0.06);
}

.image-uploader-main .uploader-icon,
.image-uploader-main .uploader-text,
.remove-img-btn-overlay {
  display: none;
}

.plant-card.expanded .image-uploader-main .uploader-icon,
.plant-card.expanded .image-uploader-main .uploader-text {
  display: block;
}

.plant-card.expanded .remove-img-btn-overlay {
  display: flex;
}

.plant-card.expanded .image-uploader-main {
  cursor: pointer;
}

.plant-card:not(.expanded) .image-uploader-main {
  cursor: default;
}

.remove-img-btn-overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(225, 112, 85, 0.9);
  color: #fff;
  border: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0;
  line-height: 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  z-index: 10;
}

.uploader-icon {
  font-size: 2rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.uploader-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.delete-plant-btn {
  background: rgba(225, 112, 85, 0.1);
  color: var(--danger-color);
  border: none;
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.delete-plant-btn:hover {
  background: var(--danger-color);
  color: #fff;
}

.next-water-card {
  background: white;
  border-radius: 20px;
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid rgba(0,0,0,0.03);
  box-shadow: 0 10px 40px rgba(0,0,0,0.02);
  position: relative;
  overflow: hidden;
}

.next-water-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-color);
}

.next-water-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary-color);
  opacity: 0.7;
}

.next-water-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.next-water-primary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.next-water-pump {
  font-size: 1.8rem;
  font-weight: 700;
  color: #1a1a1a;
}

.next-water-countdown {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  background: rgba(74, 124, 89, 0.08);
  padding: 4px 12px;
  border-radius: 20px;
}

.next-water-secondary {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Table styling for simple lists */
.data-table-container {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  border: 1px solid rgba(0,0,0,0.02);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  background: rgba(0,0,0,0.02);
  padding: 1rem;
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 1rem;
  border-top: 1px solid rgba(0,0,0,0.05);
  font-size: 0.9rem;
}

/* Forms */
form {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-subtle);
  margin-top: 1.5rem;
}

form strong {
  display: block;
  margin-bottom: 1rem;
  font-weight: 600;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  align-items: end;
}

.form-row label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

input, select {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.1);
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.1);
}

button {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

button[type="submit"], #btn-live, .action-btn-primary {
  background: var(--primary-color);
  color: #fff;
}

button[type="submit"]:hover, .action-btn-primary:hover {
  background: #3e684a;
}

#btn-demo, .action-btn-secondary {
  background: rgba(0,0,0,0.05);
  color: var(--text-main);
}

#btn-demo:hover, .action-btn-secondary:hover {
  background: rgba(0,0,0,0.1);
}

.delete-btn {
  background: rgba(225, 112, 85, 0.1);
  color: var(--danger-color);
}

.delete-btn:hover {
  background: var(--danger-color);
  color: #fff;
}

/* Chart */
#history-section {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
}

canvas {
  margin-top: 1rem;
}

.sample-note {
  font-size: 0.75rem;
  padding: 2px 8px;
  background: #fdcb6e;
  border-radius: 4px;
  color: #2d3436;
  margin-left: 8px;
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
  
  .mode-controls {
    width: 100%;
    justify-content: space-between;
  }
  
  main {
    padding: 1rem;
  }
}

/* Landing Page */
.landing-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: radial-gradient(circle at top right, rgba(143, 185, 150, 0.1), transparent 40%),
              radial-gradient(circle at bottom left, rgba(74, 124, 89, 0.05), transparent 40%);
}

.landing-hero {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 600px;
  animation: fadeInDown 0.8s ease-out;
}

.landing-hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.login-card {
  background: var(--surface-color);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.02);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.login-card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
  text-align: center;
}

.login-card form {
  padding: 0;
  box-shadow: none;
  background: transparent;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.login-card label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.login-card input {
  width: 100%;
  padding: 12px 16px;
  background: #fdfdfd;
  margin-bottom: 1.25rem;
}

.login-submit {
  width: 100%;
  margin-top: 0.5rem;
  padding: 14px;
  font-size: 1rem;
}

.landing-footer {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
  .landing-hero h1 { font-size: 2.5rem; }
  .login-card { padding: 1.5rem; }
}

/* ── Queue ── */
.queue-empty {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
  padding: 1rem 0;
}

.queue-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--border-radius);
  margin-bottom: 8px;
  background: var(--surface-color);
}

.queue-item.queue-head {
  border-color: var(--primary-light);
  background: #f4faf6;
}

.queue-item-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.queue-pump {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 0.9rem;
}

.queue-amount {
  font-size: 0.9rem;
  color: var(--text-main);
}

.queue-source {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  font-weight: 500;
}

.queue-source.manual   { background: #ffeaa7; color: #856404; }
.queue-source.schedule { background: #d1f2eb; color: #1d6349; }

.queue-item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.queue-next-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.queue-next-label.queued {
  color: var(--text-muted);
}

.queue-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Login error ── */
.login-error {
  background: #fdecea;
  border: 1px solid #f5c6cb;
  color: #842029;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* ── Per-plant water widget ── */
.plant-water-widget {
  padding: 12px 16px;
  border-top: 1px solid rgba(0,0,0,0.06);
  background: #f9fbf9;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.water-widget-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.water-widget-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.water-widget-amount {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-color);
  min-width: 50px;
  text-align: right;
}

.plant-water-widget input[type="range"] {
  width: 100%;
  accent-color: var(--primary-color);
  cursor: pointer;
  margin-bottom: 10px;
}

.water-widget-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.water-now-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  transition: var(--transition);
}

.water-now-btn:hover  { background: #3d6b4a; }
.water-now-btn:disabled { opacity: 0.5; cursor: default; }

.water-status {
  font-size: 0.8rem;
  font-weight: 600;
  min-height: 1em;
}

.water-status.waiting  { color: var(--accent-color); }
.water-status.complete { color: var(--success-color); }