:root {
  --bg:        #0a0c0f;
  --bg2:       #111418;
  --bg3:       #181c22;
  --border:    #232830;
  --border2:   #2e3540;
  --text:      #e8edf3;
  --text2:     #9aa5b4;
  --text3:     #6b7788;
  --green:     #22c55e;
  --green-dim: #16a34a;
  --green-glow:rgba(34,197,94,0.15);
  --amber:     #f59e0b;
  --red:       #ef4444;
  --blue:      #3b82f6;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(0,0,0,0.5);
}

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

body {
  font-family: 'Segoe UI', 'Noto Sans Kannada', 'Noto Sans Devanagari', 'Noto Sans Malayalam', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg2);
}

::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 3px;
}

/* ── HEADER ── */
.header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-icon {
  font-size: 1.8rem;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.brand h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
}

.brand h1 span {
  color: var(--green);
}

.brand-sub {
  font-size: 0.68rem;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: -3px;
}

.lang-bar {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  background: var(--bg3);
  padding: 0.35rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.lang-btn {
  padding: 0.3rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--text2);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: inherit;
  transition: all 0.2s;
}

.lang-btn:hover {
  background: var(--border2);
  color: var(--text);
}

.lang-btn.active {
  background: var(--green);
  color: #000;
  font-weight: 700;
}

/* ── API BAR ── */
.api-bar {
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  transition: background 0.2s;
}

.api-bar:hover {
  background: var(--border);
}

.api-bar.connected {
  border-bottom-color: var(--green);
  color: var(--green);
}

.api-bar.disconnected {
  border-bottom-color: var(--amber);
  color: var(--amber);
}

.api-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* ── LAYOUT ── */
.main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1rem 1.2rem;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1rem;
}

.main.chat-hidden {
  grid-template-columns: 1fr;
}

@media (max-width: 960px) {
  .main {
    grid-template-columns: 1fr;
  }
}

.content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── CARD ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.card h2 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--text);
}

.card h3 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}

/* ── TABS ── */
.tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 0.35rem;
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.5rem 0.9rem;
  border: none;
  background: transparent;
  color: var(--text2);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  flex: 1;
  min-width: 80px;
  white-space: nowrap;
  transition: all 0.2s;
}

.tab-btn:hover {
  background: var(--bg3);
  color: var(--text);
}

.tab-btn.active {
  background: var(--green);
  color: #000;
}

.tab-content {
  display: none;
  animation: fadeUp 0.3s ease;
}

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

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── GRID ── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 700px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ── FORM ── */
.form-group {
  margin-bottom: 0.8rem;
}

.form-group label {
  display: block;
  font-size: 0.77rem;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 0.3rem;
  letter-spacing: 0.3px;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  background: var(--border2);
  border-radius: 2px;
  cursor: pointer;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  cursor: pointer;
  transition: transform 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}

.range-val {
  float: right;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--green);
}

select {
  width: 100%;
  padding: 0.5rem 0.65rem;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: 8px;
  font-size: 0.82rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
}

select:focus {
  border-color: var(--green);
}

/* ── BUTTONS ── */
.btn {
  padding: 0.55rem 1.1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: inherit;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-green {
  background: var(--green);
  color: #000;
}

.btn-green:hover {
  background: #16a34a;
  transform: translateY(-1px);
}

.btn-green:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
}

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.76rem;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.btn-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── RESULT CARDS ── */
.res-card {
  border-radius: 8px;
  padding: 0.85rem;
  margin-bottom: 0.6rem;
  border: 1px solid transparent;
}

.res-success {
  background: rgba(34,197,94,0.07);
  border-color: rgba(34,197,94,0.25);
  color: var(--text);
}

.res-warning {
  background: rgba(245,158,11,0.07);
  border-color: rgba(245,158,11,0.25);
  color: var(--text);
}

.res-danger {
  background: rgba(239,68,68,0.07);
  border-color: rgba(239,68,68,0.25);
  color: var(--text);
}

.res-info {
  background: rgba(59,130,246,0.07);
  border-color: rgba(59,130,246,0.25);
  color: var(--text);
}

/* ── CONFIDENCE BAR ── */
.conf-bar {
  height: 5px;
  background: var(--border2);
  border-radius: 3px;
  overflow: hidden;
  margin: 0.4rem 0;
}

.conf-fill {
  height: 100%;
  background: var(--green);
  border-radius: 3px;
  transition: width 0.6s ease;
}

/* ── CROP CARD ── */
.crop-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem;
  margin-bottom: 0.5rem;
  position: relative;
}

.crop-score {
  position: absolute;
  top: 0.6rem;
  right: 0.7rem;
  background: var(--green);
  color: #000;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
}

.crop-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.tags {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  margin-top: 0.4rem;
}

.tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: var(--border);
  color: var(--text2);
  font-weight: 600;
}

.tag-green {
  background: rgba(34,197,94,0.12);
  color: var(--green);
}

/* ── SOIL METERS ── */
.soil-meters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}

.soil-meter {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.5rem;
  text-align: center;
}

.soil-meter .m-label {
  font-size: 0.68rem;
  color: var(--text3);
  font-weight: 600;
}

.soil-meter .m-val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin: 0.15rem 0;
}

.soil-meter .m-status {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

.s-ok {
  background: rgba(34,197,94,0.15);
  color: var(--green);
}

.s-low {
  background: rgba(59,130,246,0.15);
  color: var(--blue);
}

.s-high {
  background: rgba(245,158,11,0.15);
  color: var(--amber);
}

/* ── UPLOAD ── */
.upload-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--radius);
  padding: 2rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg3);
}

.upload-zone:hover {
  border-color: var(--green);
  background: var(--green-glow);
}

.upload-zone .icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

/* ── PRICE TABLE ── */
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.81rem;
}

.price-table th {
  text-align: left;
  padding: 0.55rem 0.6rem;
  background: var(--bg3);
  color: var(--text2);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border2);
}

.price-table td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.price-table tr:hover td {
  background: var(--bg3);
}

.trend-up {
  color: var(--green);
}

.trend-down {
  color: var(--red);
}

.trend-stable {
  color: var(--amber);
}

/* ── CHAT PANEL ── */
.chat-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: calc(100vh - 120px);
  position: sticky;
  top: 100px;
  overflow: hidden;
}

.chat-head {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg3);
}

.chat-head h3 {
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.chat-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.chat-close-btn {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.2rem;
}

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

.chat-msgs {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.chat-msg {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.chat-msg.user {
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  background: var(--bg3);
  border: 1px solid var(--border);
}

.chat-bubble {
  max-width: 82%;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  font-size: 0.82rem;
  line-height: 1.55;
  background: var(--bg3);
  border: 1px solid var(--border);
}

.chat-msg.user .chat-bubble {
  background: rgba(34,197,94,0.12);
  border-color: rgba(34,197,94,0.25);
}

.quick-btns {
  padding: 0.5rem;
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
}

.quick-btn {
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border2);
  background: var(--bg3);
  color: var(--text2);
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  transition: all 0.2s;
  white-space: nowrap;
}

.quick-btn:hover {
  border-color: var(--green);
  color: var(--green);
}

.chat-input-row {
  padding: 0.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.4rem;
}

.chat-input {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
}

.chat-input:focus {
  border-color: var(--green);
}

.chat-input::placeholder {
  color: var(--text3);
}

.voice-btn {
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text2);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
}

.voice-btn:hover {
  border-color: var(--green);
  color: var(--green);
}

.voice-btn.listening {
  background: rgba(239,68,68,0.15);
  border-color: var(--red);
  color: var(--red);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.send-btn {
  background: var(--green);
  border: none;
  color: #000;
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all 0.2s;
}

.send-btn:hover {
  background: #16a34a;
}

.typing-dots {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 0.4rem 0;
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text3);
  animation: bounce 1.2s infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-5px); }
}

/* ── CHAT TOGGLE (mobile) ── */
.chat-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--green);
  border: none;
  color: #000;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(34,197,94,0.4);
  z-index: 999;
  transition: all 0.2s;
  display: none;
}

.chat-fab:hover {
  transform: scale(1.1);
}

@media (max-width: 960px) {
  .chat-fab {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  font-size: 0.82rem;
  z-index: 9999;
  display: none;
  white-space: nowrap;
  box-shadow: var(--shadow);
}

/* ── API MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 16px;
  padding: 1.75rem;
  max-width: 420px;
  width: 100%;
}

.modal-box h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.modal-box p {
  font-size: 0.82rem;
  color: var(--text2);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.modal-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: 8px;
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  margin-bottom: 0.75rem;
}

.modal-input:focus {
  border-color: var(--green);
}

.modal-btns {
  display: flex;
  gap: 0.5rem;
}

.modal-link {
  font-size: 0.78rem;
  color: var(--green);
  text-decoration: none;
  margin-top: 0.75rem;
  display: block;
}

.modal-link:hover {
  text-decoration: underline;
}

/* ── PROGRESS ── */
.progress {
  height: 5px;
  background: var(--border2);
  border-radius: 3px;
  overflow: hidden;
  margin: 0.35rem 0;
}

.progress-fill {
  height: 100%;
  background: var(--green);
  border-radius: 3px;
  transition: width 0.5s;
}

/* ── CALENDAR ── */
.cal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.cal-table th {
  text-align: left;
  padding: 0.5rem;
  background: var(--bg3);
  color: var(--text2);
  font-size: 0.72rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border2);
}

.cal-table td {
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.cal-sow {
  color: var(--green);
  font-weight: 600;
}

.cal-harv {
  color: var(--amber);
  font-weight: 600;
}

/* ── SEASON TAGS ── */
.s-tag {
  font-size: 0.68rem;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  background: rgba(59,130,246,0.12);
  color: var(--blue);
  font-weight: 600;
}

/* ── CHART ── */
canvas {
  display: block;
  max-width: 100%;
}