/* PichaSnap AI - Ultra-Lightweight Modern CSS (< 10KB) */
:root {
  --bg-dark: #0a0f1d;
  --bg-card: #131b2e;
  --bg-card-hover: #1c2742;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #f59e0b; /* Golden Amber */
  --primary-hover: #d97706;
  --accent: #06b6d4;  /* Cyan / AI glow */
  --success: #10b981;
  --danger: #ef4444;
  --border: #1e293b;
  --border-focus: #38bdf8;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem;
}

.mobile-container {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  padding: 1rem;
}

/* Header & Nav */
header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: rgba(19, 27, 46, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: #ffffff;
  text-decoration: none;
}

.brand-badge {
  background: linear-gradient(135deg, var(--primary), #ef4444);
  color: #ffffff;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: 0.05em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #0f172a;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.btn-accent {
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
  color: #ffffff;
  font-weight: 700;
}

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

.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--primary);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 1.1rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: #0b1120;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--primary);
}

/* Photo Grid */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
  }
}

.photo-card {
  position: relative;
  background: #0b1120;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 1;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.photo-card:hover {
  transform: scale(1.02);
  border-color: var(--primary);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  padding: 1.75rem;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  animation: modalIn 0.25s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* AI Radar Scanner Animation */
.scanner-box {
  display: none;
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: #0b1120;
  border-radius: var(--radius-md);
  border: 1px dashed var(--accent);
  margin-bottom: 1.5rem;
}

.scanner-box.active {
  display: block;
}

.radar-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  margin: 0 auto 1.25rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.4);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(6, 182, 212, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

/* Mobile Money network badges */
.network-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.network-badge {
  padding: 0.6rem 0.4rem;
  text-align: center;
  background: #0b1120;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.network-badge.selected {
  border-color: var(--primary);
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary);
}

/* Watermark banner in preview */
.watermark-banner {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  text-align: center;
  margin-bottom: 1rem;
}

/* --- Enhanced Modern UI Extensions --- */

/* Hero Glow & Badges */
.hero-glow-bg {
  position: relative;
  overflow: hidden;
  padding: 3.5rem 1rem 2.5rem;
  text-align: center;
}

.hero-glow-bg::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 550px;
  height: 350px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, rgba(6, 182, 212, 0.12) 50%, transparent 75%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.gradient-text {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Stat Counters Row */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.stat-pill-card {
  background: rgba(19, 27, 46, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-pill-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 158, 11, 0.5);
}

.stat-pill-val {
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.stat-pill-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

/* Interactive Calculator */
.calc-box {
  background: linear-gradient(145deg, #131b2e 0%, #0d1424 100%);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.calc-box::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.calc-slider {
  width: 100%;
  -webkit-appearance: none;
  height: 8px;
  border-radius: 5px;
  background: #1e293b;
  outline: none;
  margin: 1.2rem 0;
  cursor: pointer;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.8);
  border: 2px solid #fff;
  transition: transform 0.1s;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-result-badge {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(16, 185, 129, 0.15) 100%);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all 0.25s ease;
  position: relative;
}

.feature-card:hover {
  border-color: rgba(6, 182, 212, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* Step Progression Cards */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.step-card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: var(--radius-md);
  padding: 1.6rem 1.4rem;
  position: relative;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.step-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.5);
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
  width: fit-content;
}

.step-number {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-size: 2rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.12);
  line-height: 1;
}

/* Venue Cards (Hot spots for earning) */
.venue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.venue-card {
  background: linear-gradient(145deg, #131b2e 0%, #0d1424 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.4rem;
  transition: all 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.venue-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.55);
}

.venue-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 0.85rem;
  width: fit-content;
}

/* Testimonial Cards */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.testimonial-card {
  background: rgba(19, 27, 46, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

/* FAQ Accordion */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item:hover {
  border-color: rgba(245, 158, 11, 0.3);
}

.faq-header {
  padding: 1rem 1.25rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  user-select: none;
}

.faq-body {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  display: none;
}

.faq-item.open .faq-body {
  display: block;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-icon {
  transition: transform 0.2s;
}

/* Tabs Switcher */
.tab-switcher {
  display: flex;
  background: #0b1120;
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
  gap: 0.25rem;
}

.tab-btn {
  flex: 1;
  padding: 0.65rem 1rem;
  font-size: 0.92rem;
  font-weight: 700;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.tab-btn.active {
  background: var(--primary);
  color: #0f172a;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
}

/* Chip Selectors */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.chip {
  padding: 0.45rem 0.85rem;
  background: #0b1120;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.chip:hover {
  border-color: var(--accent);
  color: #fff;
}

.chip.selected {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th {
  text-align: left;
  padding: 0.75rem 0.85rem;
  color: var(--text-muted);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  font-size: 0.75rem;
}

.data-table td {
  padding: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Notification banner */
.alert-toast {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.alert-toast.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}

.alert-toast.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}