*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-900: #1B4332;
  --green-800: #1E5340;
  --green-700: #2D6A4F;
  --green-600: #40916C;
  --green-500: #52B788;
  --green-400: #74C69D;
  --green-300: #95D5B2;
  --green-200: #B7E4C7;
  --green-100: #D8F3DC;
  --green-50:  #F0FAF3;
  --white:     #FFFFFF;
  --off-white: #F8FAF9;
  --gray-100:  #F1F5F3;
  --gray-200:  #E0EAE4;
  --gray-300:  #C2D5CA;
  --gray-500:  #7A9B8A;
  --gray-700:  #4A6358;
  --red-500:   #E63946;
  --red-100:   #FFE4E6;
  --yellow-500:#F4A261;
  --yellow-100:#FFF3E0;
  --font: 'Inter', sans-serif;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(27,67,50,.08), 0 1px 2px rgba(27,67,50,.05);
  --shadow-md: 0 4px 12px rgba(27,67,50,.10), 0 2px 6px rgba(27,67,50,.07);
  --shadow-lg: 0 10px 30px rgba(27,67,50,.12), 0 4px 12px rgba(27,67,50,.08);
  --shadow-xl: 0 20px 50px rgba(27,67,50,.15);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--off-white);
  color: var(--green-900);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(82,183,136,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(45,106,79,0.06) 0%, transparent 60%);
  background-attachment: fixed;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) { .container { padding: 0 var(--space-6); } }
@media (min-width: 1024px) { .container { padding: 0 var(--space-8); } }

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(27, 67, 50, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(82,183,136,0.2);
  padding: var(--space-4) 0;
  box-shadow: 0 2px 20px rgba(27,67,50,0.3);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__logo {
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(82,183,136,0.4));
  transition: filter var(--transition);
}
.header__logo:hover { filter: drop-shadow(0 0 14px rgba(82,183,136,0.7)); }

.header__title-group { display: flex; flex-direction: column; line-height: 1.2; }

.header__title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}

.header__subtitle {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--green-300);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header__time {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--green-300);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
  display: none;
}

@media (min-width: 480px) { .header__time { display: block; } }

.connection-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(82,183,136,0.2);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.connection-badge__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gray-300);
  transition: var(--transition);
  flex-shrink: 0;
}

.connection-badge.connected .connection-badge__dot {
  background: var(--green-400);
  box-shadow: 0 0 0 3px rgba(82,183,136,0.3);
  animation: pulse-dot 2s ease-in-out infinite;
}

.connection-badge.error .connection-badge__dot {
  background: var(--red-500);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.3);
}

.connection-badge__text {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--green-200);
  white-space: nowrap;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 2px rgba(82,183,136,0.3); }
  50%       { box-shadow: 0 0 0 6px rgba(82,183,136,0.08); }
}

.main {
  flex: 1;
  padding: var(--space-8) 0 var(--space-12);
}

.section { margin-bottom: var(--space-10); }

.section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  gap: var(--space-3);
  flex-wrap: wrap;
}

.section__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-900);
  position: relative;
  padding-left: var(--space-3);
}

.section__title::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 70%;
  background: linear-gradient(to bottom, var(--green-500), var(--green-700));
  border-radius: var(--radius-full);
}

.section__badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--green-100);
  color: var(--green-700);
  border: 1px solid var(--green-200);
  transition: var(--transition);
}

.section__badge.manual { background: var(--yellow-100); color: #92400e; border-color: #fcd34d; }

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) { .cards-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .cards-grid { grid-template-columns: 1fr 1fr 1fr; } }

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-300));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--green-200);
}
.card:hover::before { opacity: 1; }

.card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.card__icon-wrap {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.card__icon-wrap--pump    { background: var(--green-100); color: var(--green-700); }
.card__icon-wrap--moisture { background: rgba(82,183,136,0.12); color: var(--green-600); }
.card__icon-wrap--mode    { background: var(--green-50); color: var(--green-700); }

.card__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pump-status {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.pump-status__indicator {
  position: relative;
  width: 64px; height: 64px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.pump-status__ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--green-200);
  opacity: 0;
}

.pump-status__ring { width: 100%; height: 100%; }
.pump-status__ring--2 { width: 80%; height: 80%; }

.pump-on .pump-status__ring {
  border-color: var(--green-400);
  opacity: 1;
  animation: expand-ring 2s ease-out infinite;
}
.pump-on .pump-status__ring--2 {
  border-color: var(--green-400);
  opacity: 1;
  animation: expand-ring 2s ease-out 0.4s infinite;
}

@keyframes expand-ring {
  0%   { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.2); opacity: 0; }
}

.pump-status__dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gray-200);
  position: relative;
  z-index: 1;
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
  display: flex; align-items: center; justify-content: center;
}

.pump-on .pump-status__dot {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  box-shadow: 0 0 20px rgba(82,183,136,0.5);
}

.pump-off .pump-status__dot { background: var(--gray-200); box-shadow: none; }

.pump-status__info { flex: 1; }

.pump-status__state {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-1);
  color: var(--gray-500);
  transition: color var(--transition-slow);
}

.pump-on .pump-status__state { color: var(--green-600); }
.pump-off .pump-status__state { color: var(--gray-500); }

.pump-status__detail {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 400;
}

.moisture-gauge {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.moisture-gauge__circle {
  position: relative;
  width: 120px; height: 120px;
  flex-shrink: 0;
}

.moisture-gauge__svg { width: 100%; height: 100%; }

.moisture-gauge__track {
  fill: none;
  stroke: var(--green-100);
  stroke-width: 10;
}

.moisture-gauge__fill {
  fill: none;
  stroke: url(#gaugeGradient);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.moisture-gauge__center {
  position: absolute;
  inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}

.moisture-gauge__value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--green-800);
  line-height: 1;
}

.moisture-gauge__unit {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--green-500);
}

.moisture-gauge__meta { flex: 1; min-width: 100px; }

.moisture-gauge__status {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green-700);
  margin-bottom: var(--space-3);
}

.moisture-gauge__bar-wrap {
  background: var(--green-100);
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.moisture-gauge__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--green-600), var(--green-400));
  border-radius: var(--radius-full);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
}

.moisture-gauge__legend {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--gray-500);
}

.mode-toggle-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.mode-labels {
  display: flex;
  gap: var(--space-2);
}

.mode-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-500);
  transition: color var(--transition);
}
.mode-label--active { color: var(--green-700); font-weight: 700; }

.mode-toggle {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.mode-toggle__input {
  position: absolute;
  opacity: 0; width: 0; height: 0;
}

.mode-toggle__track {
  display: block;
  width: 52px; height: 28px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  position: relative;
  transition: background var(--transition);
}

.mode-toggle__input:checked ~ .mode-toggle__track {
  background: linear-gradient(135deg, var(--green-600), var(--green-500));
}

.mode-toggle__thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.18);
  transition: transform var(--transition);
}

.mode-toggle__input:checked ~ .mode-toggle__track .mode-toggle__thumb {
  transform: translateX(24px);
}

.mode-current {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--green-700);
  white-space: nowrap;
}

.mode-desc {
  font-size: 0.8rem;
  color: var(--gray-500);
  line-height: 1.5;
  padding: var(--space-3);
  background: var(--green-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--green-400);
}

.control-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.control-panel.is-active {
  border-color: var(--green-300);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--green-200);
}

.control-panel__info {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--green-50);
  border-radius: var(--radius-sm);
  border: 1px solid var(--green-100);
  margin-bottom: var(--space-5);
  color: var(--green-700);
  font-size: 0.875rem;
  font-weight: 500;
}

.control-panel__info svg { flex-shrink: 0; margin-top: 2px; }

.control-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1;
  text-decoration: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:active::after { opacity: 0.15; }

.btn:focus-visible {
  outline: 3px solid var(--green-400);
  outline-offset: 3px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--green-600), var(--green-700));
  color: var(--white);
  box-shadow: 0 2px 8px rgba(45,106,79,0.35);
  min-width: 160px;
}
.btn--primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--green-500), var(--green-600));
  box-shadow: 0 4px 16px rgba(45,106,79,0.4);
  transform: translateY(-1px);
}

.btn--danger {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(220,38,38,0.3);
  min-width: 160px;
}
.btn--danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 4px 16px rgba(220,38,38,0.4);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--green-700);
  border: 1px solid var(--green-200);
}
.btn--ghost:hover:not(:disabled) {
  background: var(--green-50);
  border-color: var(--green-300);
}

.btn--lg { padding: var(--space-4) var(--space-6); font-size: 0.95rem; border-radius: var(--radius-md); }
.btn--sm { padding: var(--space-2) var(--space-3); font-size: 0.8rem; }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn__icon { flex-shrink: 0; }
.btn__icon.spinning { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.history-wrap { position: relative; }

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  background: var(--white);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table thead {
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  color: var(--white);
}

.table th {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--gray-100);
  color: var(--green-900);
  vertical-align: middle;
}

.table tbody tr {
  transition: background var(--transition-fast);
}
.table tbody tr:hover { background: var(--green-50); }
.table tbody tr:last-child td { border-bottom: none; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge--on    { background: var(--green-100); color: var(--green-700); }
.badge--off   { background: var(--red-100);   color: #b91c1c; }
.badge--auto  { background: var(--green-100); color: var(--green-800); }
.badge--manual { background: var(--yellow-100); color: #92400e; }

.select {
  appearance: none;
  background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232D6A4F' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;
  background-size: 12px;
  border: 1px solid var(--green-200);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-8) var(--space-2) var(--space-3);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--green-800);
  cursor: pointer;
  transition: border-color var(--transition);
}
.select:hover { border-color: var(--green-400); }
.select:focus { outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(82,183,136,0.2); }

.skeleton-list { display: flex; flex-direction: column; gap: var(--space-3); }
.skeleton-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  padding: var(--space-4) var(--space-5);
}

.skeleton {
  background: linear-gradient(90deg, var(--green-100) 25%, var(--green-50) 50%, var(--green-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
.skeleton--line { height: 16px; width: 100%; }

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-12) var(--space-6);
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--green-200);
}
.empty-state__icon { font-size: 3rem; }
.empty-state__text { color: var(--gray-500); font-weight: 500; }

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-4);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: toast-in 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 320px;
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
}
.toast--success { background: var(--green-900); color: var(--white); border-left: 4px solid var(--green-400); }
.toast--error   { background: #1a0a0a; color: var(--white); border-left: 4px solid var(--red-500); }
.toast--info    { background: var(--green-800); color: var(--white); border-left: 4px solid var(--green-300); }
.toast--out { animation: toast-out 0.3s ease-in forwards; }

@keyframes toast-in {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}
@keyframes toast-out {
  to { transform: translateX(120%); opacity: 0; }
}

.footer {
  background: var(--green-900);
  color: var(--green-300);
  padding: var(--space-5) 0;
  margin-top: auto;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: 0.8rem;
}

.footer__tech {
  color: var(--green-400);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

@media (max-width: 480px) {
  .header__title { font-size: 1rem; }
  .header__subtitle { display: none; }
  .section__header { gap: var(--space-2); }
  .section__title { font-size: 1rem; }
  .control-buttons { flex-direction: column; }
  .btn--lg { width: 100%; justify-content: center; min-width: unset; }
  .moisture-gauge { flex-direction: column; align-items: flex-start; }
  .moisture-gauge__circle { width: 100px; height: 100px; }
  .footer__tech { display: none; }
  .table th, .table td { padding: var(--space-3) var(--space-4); font-size: 0.8rem; }
}

@media (max-width: 640px) {
  .pump-status { flex-direction: column; align-items: flex-start; }
  .mode-toggle-wrap { gap: var(--space-3); }
  .toast { max-width: calc(100vw - 32px); }
}