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

:root {
  --bg: #0A1A0A;
  --surface: #122012;
  --card: #1A2E1A;
  --border: #2A442A;
  --green1: #1B5E20;
  --green2: #2E7D32;
  --green3: #388E3C;
  --accent: #66BB6A;
  --accent2: #A5D6A7;
  --text: #F1F8E9;
  --text2: #A5D6A7;
  --amber: #FFB300;
  --red: #EF5350;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* AUTH SCREEN */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-box {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
}

.auth-logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.auth-tag {
  font-size: 14px;
  color: var(--text2);
  margin-bottom: 28px;
}

.tab-toggle {
  display: flex;
  background: var(--card);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
  gap: 4px;
}

.tab-btn {
  flex: 1;
  padding: 9px;
  border: none;
  background: transparent;
  color: var(--text2);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: .2s;
}

.tab-btn.active {
  background: var(--green2);
  color: #fff;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent);
}

.btn-primary {
  width: 100%;
  padding: 13px;
  background: var(--green2);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
}

.btn-primary:hover {
  background: var(--green3);
}

.auth-link {
  text-align: center;
  font-size: 13px;
  color: var(--accent);
  margin-top: 16px;
  cursor: pointer;
}

.error-text {
  color: var(--red);
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
}

/* APP SHELL */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
}

.nav-item {
  padding: 11px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text2);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.nav-item:hover {
  background: var(--card);
  color: var(--text);
}

.nav-item.active {
  background: var(--green1);
  color: #fff;
}

.sidebar-bottom {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

.user-pill {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--card);
  font-size: 13px;
  font-weight: 600;
}

.btn-outline {
  padding: 9px 18px;
  border-radius: 8px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.btn-outline:hover {
  background: var(--card);
}

.main-content {
  margin-left: 240px;
  flex: 1;
  padding: 32px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-title {
  font-size: 26px;
  font-weight: 700;
}

.page-sub {
  font-size: 14px;
  color: var(--text2);
  margin-top: 3px;
}

/* PLANT CARDS */
.plants-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.plant-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  cursor: pointer;
}

.plant-card:hover {
  border-color: var(--accent);
}

.plant-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.plant-meta {
  font-size: 12px;
  color: var(--text2);
}


/* MODAL */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 480px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 20px;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group select {
  width: 100%;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  outline: none;
}

/* TABS */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tab {
  padding: 11px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.meta-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.pill {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--green3);
  color: var(--accent);
  background: rgba(56,142,60,.1);
}

.nut-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.nut-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.nut-card .label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 6px;
}

.nut-card .value {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

/* PHOTOS */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
}

.upload-zone:hover {
  border-color: var(--accent);
  background: rgba(102,187,106,.04);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.photo-thumb {
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
}

.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}