@import "tailwindcss";

@custom-variant dark (&:where(.dark, .dark *));

:root {
  --background: #fafafa;
  --foreground: #111827;
  --font-geist-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-geist-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Monaco, "Courier New", "PingFang SC", monospace;
}

.dark {
  --background: #111827;
  --foreground: #f9fafb;
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-geist-sans, system-ui), "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

html {
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 3px;
}
.dark ::-webkit-scrollbar-thumb {
  background: #4b5563;
}
.dark ::-webkit-scrollbar-thumb:hover {
  background: #6b7280;
}
::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* ==================== Container (responsive) ==================== */
.container-nomad {
  width: 100%;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) {
  .container-nomad {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .container-nomad {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

/* ==================== Items Grid (mobile-first) ==================== */
.items-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 180px;
  gap: 8px;
  padding: 8px;
}

@media (min-width: 640px) {
  .items-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-rows: 260px;
    gap: 20px;
    padding: 16px 20px;
  }
}

@media (min-width: 1024px) {
  .items-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: 280px;
    gap: 30px;
    padding: 20px 40px;
  }
}

@media (min-width: 1440px) {
  .items-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 35px;
  }
}

/* Pin right-items to the LAST explicit column */
.items-grid .right-item:nth-child(1) {
  grid-column: -2 / -1;
  grid-row: 1;
}
.items-grid .right-item:nth-child(2) {
  grid-column: -2 / -1;
  grid-row: 2;
}
.items-grid .right-item:nth-child(3) {
  grid-column: -2 / -1;
  grid-row: 3;
}

/* ==================== City Card ==================== */
.city-card {
  height: 100%;
  border-radius: 15px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  color: white;
  box-sizing: border-box;
  min-width: 0;
}

.city-card:hover {
  animation: pulse 0.6s ease;
}

/* ==================== Right Item ==================== */
.right-item {
  height: 100%;
  border-radius: 15px;
  position: relative;
  overflow: hidden;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.04);
}
.dark .right-item {
  background: #1f2937;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.right-item:hover {
  animation: pulse 0.6s ease;
}

.right-item-header {
  width: 100%;
  height: 38px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, #ff4d4f, #ff7a45);
  color: #fff;
}

@media (min-width: 640px) {
  .right-item-header {
    height: 42px;
    font-size: 15px;
  }
}

/* ==================== Hover / Pulse Animation ==================== */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
  100% {
    transform: scale(1);
  }
}

/* ==================== Hero Gradient Text ==================== */
@keyframes gradient-shift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-gradient-text {
  background: linear-gradient(
    135deg,
    #f97316,
    #ec4899,
    #8b5cf6,
    #3b82f6,
    #f97316
  );
  background-size: 300% 300%;
  animation: gradient-shift 6s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==================== Filter Buttons ==================== */
.filter-btn {
  transition: all 0.15s ease;
}
.filter-btn:hover {
  background: #f3f4f6;
}
.filter-btn.active {
  background: #111827;
  color: white;
}
.filter-btn.active:hover {
  background: #1f2937;
}
.dark .filter-btn.active {
  background: #374151;
}
.dark .filter-btn.active:hover {
  background: #4b5563;
}

/* ==================== Community Cards ==================== */
.community-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.community-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.04);
}
.dark .community-card {
  background: #1f2937;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.dark .community-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

/* ==================== Utilities ==================== */
.hide-scrollbar::-webkit-scrollbar {
  display: none;
}
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==================== Form Inputs (join page) ==================== */
.form-input {
  width: 100%;
  border: 0;
  background: transparent;
  font-size: 15px;
  line-height: 1.5;
  color: #1e293b;
  outline: none;
  padding: 0;
}

.form-input::placeholder {
  color: #b2b2b2;
}

@media (min-width: 640px) {
  .form-input {
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    padding: 0.65rem 0.875rem;
    font-size: 15px;
    background: #f8fafc;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .form-input:focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
    background: #fff;
  }
  textarea.form-input {
    padding: 0.75rem 0.875rem;
  }
  select.form-input {
    padding-right: 2.25rem;
    cursor: pointer;
  }
}

.dark .form-input {
  color: #f1f5f9;
}

.dark .form-input::placeholder {
  color: #94a3b8;
}

@media (min-width: 640px) {
  .dark .form-input {
    border-color: #475569;
    background: #1e293b;
  }
  .dark .form-input:focus {
    border-color: #0ea5e9;
    background: #334155;
  }
}

/* ==================== Animations ==================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}