/* ================= RESET & DESIGN TOKENS ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #166534;
  --primary-hover: #14532d;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --border-input: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --tag-bg: #f1f5f9;
  --tag-text: #475569;
  --radius: 10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ================= TOP MICRO-PROGRESS LINE ================= */
.top-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 9999;
  overflow: hidden;
}

.top-progress-fill {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.3s ease;
}

/* ================= NAVBAR ================= */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-logo-icon {
  flex-shrink: 0;
}

.nav-tag {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--tag-bg);
  padding: 3px 9px;
  border-radius: 6px;
  font-weight: 500;
  border: 1px solid var(--border);
}

/* ================= MAIN CONTAINER ================= */
.main-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 36px 20px 60px;
}

/* ================= PAGE INTRO ================= */
.page-intro {
  margin-bottom: 28px;
}

.page-intro h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.page-intro p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.context-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.context-pill {
  font-size: 0.8rem;
  color: var(--tag-text);
  background: #ffffff;
  border: 1px solid var(--border);
  padding: 4px 11px;
  border-radius: 6px;
  font-weight: 500;
}

/* ================= CARDS ================= */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.card-header h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.location-name {
  font-size: 0.85rem;
  color: var(--text-muted);
}

#map {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f1f5f9;
}

/* ================= INPUT GRID ================= */
.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}

.input-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-box label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--tag-text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.input-box select {
  padding: 9px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-input);
  background: #ffffff;
  color: var(--text-main);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.input-box select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

/* ================= SUBMIT AREA ================= */
.submit-wrapper {
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.primary-btn {
  background: var(--primary);
  color: #ffffff;
  padding: 10px 24px;
  font-size: 0.94rem;
  font-weight: 500;
  border: 1px solid var(--primary-hover);
  border-radius: 7px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 160px;
  transition: background-color 0.15s ease, opacity 0.15s ease;
}

.primary-btn:hover:not(:disabled) {
  background: var(--primary-hover);
}

.primary-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spinnerRotate 0.65s linear infinite;
  flex-shrink: 0;
}

@keyframes spinnerRotate {
  to {
    transform: rotate(360deg);
  }
}

.loading-status-text {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.form-feedback {
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.88rem;
  text-align: center;
  max-width: 500px;
}

.form-feedback.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.form-feedback.info {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

/* ================= RESULTS SECTION ================= */
.results-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.results-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 12px;
}

.results-header-bar h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.results-subheading {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.source-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--tag-text);
  background: var(--tag-bg);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.source-badge.ai {
  background: #f0fdf4;
  color: #166534;
  border-color: #bbf7d0;
}

.source-badge.safety-net {
  background: #fefce8;
  color: #854d0e;
  border-color: #fef08a;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--tag-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.result-section {
  margin-bottom: 24px;
}

/* Crop Cards Grid */
.crop-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.crop-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  transition: border-color 0.15s ease;
}

.crop-card:hover {
  border-color: #cbd5e1;
}

.crop-info h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.crop-info .water-tag {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 600;
  color: #166534;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  padding: 2px 7px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.crop-info .reason {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Two-column layout for secondary crops */
.result-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.crop-list {
  list-style: none;
  padding: 0;
}

.crop-list li {
  font-size: 0.9rem;
  color: var(--text-main);
  padding: 7px 0;
  border-bottom: 1px solid #f1f5f9;
  position: relative;
  padding-left: 14px;
}

.crop-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.crop-list.avoid li::before {
  color: #94a3b8;
}

/* Explanation Box */
.explanation-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.explanation-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ================= SKELETON LOADERS ================= */
.skeleton-wrapper {
  margin-top: 10px;
}

.skeleton-crop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.skeleton-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.skeleton-line {
  border-radius: 4px;
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  margin-bottom: 10px;
}

.skeleton-line.title {
  height: 18px;
  width: 65%;
}

.skeleton-line.tag {
  height: 14px;
  width: 35%;
}

.skeleton-line.text {
  height: 12px;
  width: 95%;
}

.skeleton-line.text.short {
  height: 12px;
  width: 70%;
  margin-bottom: 0;
}

.skeleton-footer {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.skeleton-line.md {
  height: 14px;
  width: 40%;
  margin-bottom: 12px;
}

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