:root {
  --primary-blue: #1e40af;
  --primary-blue-gradient: linear-gradient(135deg, #2563eb, #1e40af);
  --btn-green: #22c55e;
  --btn-green-hover: #16a34a;
  --bg-page: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --highlight-bg: #eff6ff;
  
  --color-blue: #3b82f6;
  --color-purple: #a855f7;
  --color-orange: #f97316;
  --color-gray: #64748b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: #0b0f19;
    --card-bg: #131b2e;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #1e293b;
    --highlight-bg: #172554;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
}

/* Navbar */
.navbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
}

.nav-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}

.logo b {
  color: var(--color-blue);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Selector */
.lang-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.lang-selector select {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

.nav-badge {
  font-size: 12px;
  background: #dcfce7;
  color: #15803d;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
}

@media (max-width: 480px) {
  .nav-badge {
    display: none;
  }
}

@media (prefers-color-scheme: dark) {
  .nav-badge {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
  }
}

/* Main Wrapper */
.main-wrapper {
  max-width: 800px;
  margin: 24px auto 40px;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Hero Section */
.hero-card {
  background: var(--primary-blue-gradient);
  color: #ffffff;
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.3);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 580px;
}

.hero-title {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}

.hero-desc {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 24px;
}

.btn-main-action {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--btn-green);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(34, 197, 94, 0.4);
  transition: all 0.2s ease;
}

.btn-main-action:hover {
  background-color: var(--btn-green-hover);
  transform: translateY(-2px);
}

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

.hero-icon-bg {
  position: absolute;
  right: -20px;
  bottom: -30px;
  font-size: 180px;
  opacity: 0.08;
  pointer-events: none;
  z-index: 1;
}

html[dir="rtl"] .hero-icon-bg {
  right: auto;
  left: -20px;
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.header-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-title h2 {
  font-size: 18px;
  font-weight: 700;
}

.status-badge {
  font-size: 12px;
  background: var(--bg-page);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 20px;
}

/* Data Table */
.data-table {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.data-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  gap: 10px;
}

.data-row.highlight {
  background: var(--highlight-bg);
  border-color: rgba(37, 99, 235, 0.3);
}

.data-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}

.data-value-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.data-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
}

.code-font {
  font-family: ui-monospace, Menlo, Monaco, Consolas, monospace;
}

.btn-copy {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background 0.2s;
}

.btn-copy:hover {
  background: var(--border-color);
}

/* Steps Grid */
.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.step-item {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 12px;
}

.step-number {
  width: 28px;
  height: 28px;
  background: var(--primary-blue);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 10px;
}

.step-item h4 {
  font-size: 15px;
  margin-bottom: 6px;
}

.step-item p {
  font-size: 13px;
  color: var(--text-muted);
}

/* FAQ */
.faq-item:not(:last-child) {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.faq-item h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.faq-item p {
  font-size: 13.5px;
  color: var(--text-muted);
}

/* Utilities */
.text-green { color: #22c55e; }
.text-blue { color: var(--color-blue); }
.text-orange { color: var(--color-orange); }
.text-purple { color: var(--color-purple); }
.text-gray { color: var(--color-gray); }

.main-footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 10px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1e293b;
  color: #fff;
  border: 1px solid #334155;
  padding: 10px 20px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast i {
  color: #22c55e;
}