/* style.css */

:root {
  --color-background: #f1f5f9;
  --color-surface: #ffffff;
  --color-hero: linear-gradient(135deg, #2f855a, #38b2ac);
  --color-header: rgba(15, 23, 42, 0.92);
  --color-text: #1f2937;
  --color-muted: #4b5563;
  --color-border: rgba(15, 23, 42, 0.08);
  --color-primary: #2f855a;
  --color-primary-dark: #276749;
  --color-secondary: #3182ce;
  --shadow-soft: 0 20px 60px rgba(15, 23, 42, 0.12);
  --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius-large: 20px;
  --radius-medium: 16px;
  --radius-small: 12px;
  --transition: all 0.25s ease;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at 15% 20%, rgba(56, 178, 172, 0.18), transparent 55%),
              radial-gradient(circle at 85% 10%, rgba(79, 209, 197, 0.22), transparent 45%),
              radial-gradient(circle at 50% 100%, rgba(47, 133, 90, 0.25), transparent 40%),
              var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: none;
}

.site-header {
  background: var(--color-header);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 6vw;
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.brand-icon {
  font-size: 1.5rem;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  position: relative;
  padding-bottom: 0.25rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: transparent;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus {
  color: #fff;
}

body.page-index .nav-link[data-page="page-index"],
body.page-upgrades .nav-link[data-page="page-upgrades"],
body.page-shop-overview .nav-link[data-page="page-shop-overview"],
body.page-shop-hoe .nav-link[data-page="page-shop-overview"],
body.page-shop-fertilizer .nav-link[data-page="page-shop-overview"] {
  color: #fff;
}

body.page-index .nav-link[data-page="page-index"]::after,
body.page-upgrades .nav-link[data-page="page-upgrades"]::after,
body.page-shop-overview .nav-link[data-page="page-shop-overview"]::after,
body.page-shop-hoe .nav-link[data-page="page-shop-overview"]::after,
body.page-shop-fertilizer .nav-link[data-page="page-shop-overview"]::after {
  background: linear-gradient(90deg, #38b2ac, #68d391);
}

.page-content {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 3rem 0 4rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.hero {
  background: var(--color-hero);
  color: #fff;
  padding: 3rem clamp(1.5rem, 5vw, 3rem);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.18), transparent 55%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 40rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
}

.hero p {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255, 255, 255, 0.92);
}

.panel {
  background: var(--color-surface);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-soft);
  padding: 2.25rem clamp(1.5rem, 5vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.panel-header h1,
.panel-header h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

.panel-header p {
  margin: 0.5rem 0 0;
  color: var(--color-muted);
  max-width: 48rem;
}

.stats-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat-card {
  background: linear-gradient(145deg, #ffffff, #f4f7fb);
  border-radius: var(--radius-medium);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--color-text);
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.control-card {
  background: linear-gradient(160deg, rgba(56, 178, 172, 0.08), rgba(56, 178, 172, 0.02));
  border-radius: var(--radius-medium);
  padding: 1.5rem;
  border: 1px solid rgba(56, 178, 172, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.control-label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
}

.input-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-small);
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.95);
  font-size: 1rem;
  transition: var(--transition);
}

.input-control:focus {
  outline: none;
  border-color: rgba(56, 178, 172, 0.8);
  box-shadow: 0 0 0 4px rgba(56, 178, 172, 0.15);
}

.control-helper {
  margin-top: 0.75rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

button {
  padding: 0.75rem 1.65rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #2f855a, #38b2ac);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 12px 24px rgba(47, 133, 90, 0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:hover:not(:disabled),
button:focus-visible:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(47, 133, 90, 0.28);
}

button:disabled {
  background: rgba(148, 163, 184, 0.75);
  box-shadow: none;
  cursor: not-allowed;
}

.button-secondary {
  background: linear-gradient(135deg, var(--color-secondary), #63b3ed);
  box-shadow: 0 12px 24px rgba(49, 130, 206, 0.25);
}

.inventory-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.inventory-card {
  background: linear-gradient(160deg, #ffffff, #f7fafc);
  border-radius: var(--radius-medium);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.inventory-name {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.inventory-detail {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.empty-state {
  margin: 0;
  padding: 2rem;
  background: rgba(99, 179, 237, 0.08);
  border-radius: var(--radius-medium);
  text-align: center;
  color: var(--color-muted);
}

.list-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.item-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  align-items: center;
  background: linear-gradient(150deg, #ffffff, #f8fafc);
  padding: 1.5rem;
  border-radius: var(--radius-medium);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.item-container span {
  font-weight: 500;
  color: var(--color-text);
}

.item-summary {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.item-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
}

.item-subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.item-meta {
  font-weight: 600;
  color: var(--color-text);
}

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.item-actions .item-button {
  flex: 0 0 auto;
}

.item-button {
  min-width: 120px;
  text-align: center;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.pagination-indicator {
  font-weight: 600;
  color: var(--color-muted);
}

.link-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.link-card {
  background: linear-gradient(155deg, rgba(56, 178, 172, 0.12), rgba(56, 178, 172, 0.05));
  border-radius: var(--radius-medium);
  padding: 2rem;
  border: 1px solid rgba(56, 178, 172, 0.18);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  color: inherit;
}

.link-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.3rem;
}

.link-card p {
  margin: 0;
  color: var(--color-muted);
}

.link-card:hover,
.link-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(56, 178, 172, 0.18);
}

.site-footer {
  margin-top: auto;
  padding: 2rem 6vw;
  text-align: center;
  color: rgba(15, 23, 42, 0.65);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 1.5rem;
  }

  .site-nav {
    width: 100%;
    justify-content: center;
  }

  .page-content {
    padding-top: 2.5rem;
  }

  .hero {
    padding: 2.5rem 1.75rem;
  }

  button {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .panel {
    padding: 2rem 1.25rem;
  }

  .inventory-grid,
  .stats-grid,
  .controls-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }
}