:root {
  --card-bg: #111827;
  --card-border: rgba(255, 255, 255, 0.1);
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  --text-main: #ffffff;
  --text-sub: #9ca3af;
}

body {
  background-color: #0b0f19;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.add-funds-container {
  width: 100%;
  max-width: 410px;
  margin: 20px auto;
  padding: 0 10px;
  box-sizing: border-box;
}

.fund-card {
  background: var(--card-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 25px 20px;
  box-shadow: var(--card-shadow);
  text-align: center;
}

/* পেমেন্ট ট্যাবের নতুন স্টাইল */
.payment-tabs {
  display: flex;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  padding: 5px;
  border-radius: 12px;
  margin-bottom: 20px;
  border: 1px solid var(--card-border);
}

.tab-btn {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: none;
  color: var(--text-sub);
  font-size: 13.5px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.tab-btn.active {
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(236, 72, 153, 0.3);
}

.fund-card h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
}

/* কিউআর কোড এর চারপাশে কালারফুল গ্লোয়িং বর্ডার */
.qr-code-wrapper {
  display: inline-block;
  padding: 5px;
  border-radius: 20px;
  background: linear-gradient(135deg, #ec4899, #8b5cf6, #3b82f6);
  box-shadow: 0 0 20px rgba(236, 72, 153, 0.35);
  margin-bottom: 12px;
}

.qr-code-box {
  background: #ffffff;
  padding: 12px;
  border-radius: 16px;
  display: block;
}

.qr-code-box img {
  width: 170px;
  height: 170px;
  display: block;
  object-fit: contain;
}

/* ডাউনলোড বাটন স্টাইল */
.download-qr-btn {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.4);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.download-qr-btn:hover {
  background: #8b5cf6;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

.scan-notice {
  font-size: 11.5px;
  color: var(--text-sub);
  margin-top: 0;
  margin-bottom: 18px;
}

.form-group {
  text-align: left;
  margin-bottom: 14px;
}

.form-group label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-sub);
  display: block;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: #ec4899;
}

.submit-fund-btn {
  width: 100%;
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  color: #ffffff;
  border: none;
  padding: 13px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
  margin-top: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.submit-fund-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.6);
}

.back-home-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
}

.back-home-link:hover {
  color: var(--text-main);
}