.fee-card {
  position: relative;
  border-radius: 20px;
  padding: 30px;
  background: linear-gradient(135deg, #0f2f1f, #14532d);
  color: #e5fff1;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  overflow: hidden;
}

.card-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
}

/* TABLE MODERN */
.fee-modern {
  width: 100%;
}

.fee-modern-header,
.fee-modern-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  padding: 14px 0;
  align-items: center;
}

.fee-modern-header {
  font-weight: 600;
  opacity: 0.8;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.fee-modern-row {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.fee-modern-row:last-child {
  border-bottom: none;
}

/* PRICE STYLE */
.price {
  background: rgba(255,255,255,0.08);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 14px;
}

/* HIGHLIGHT */
.fee-modern-highlight {
  margin-top: 15px;
  padding: 12px;
  border-radius: 10px;
  background: rgba(34,197,94,0.15);
  text-align: center;
  font-weight: 500;
}
/* =========================
   BASE (DESKTOP)
========================= */
.fee-modern-header,
.fee-modern-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  padding: 14px 0;
  align-items: center;
}

.fee-modern-header {
  font-weight: 600;
  opacity: 0.8;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.fee-modern-row {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.price {
  background: rgba(255,255,255,0.08);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 14px;
  display: inline-block;
}

/* =========================
   TABLET
========================= */
@media (max-width: 992px) {
  .fee-card {
    padding: 24px;
  }

  .card-title {
    font-size: 20px;
  }

  .fee-modern-header,
  .fee-modern-row {
    grid-template-columns: 1.2fr 1fr 1fr;
    font-size: 14px;
  }
}

/* =========================
   MOBILE (KEY PART)
========================= */
@media (max-width: 640px) {

  /* ซ่อน header */
  .fee-modern-header {
    display: none;
  }

  /* เปลี่ยน row เป็น card */
  .fee-modern-row {
    display: block;
    padding: 14px;
    margin-bottom: 12px;
    border-radius: 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
  }

  .fee-modern-row div {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 14px;
  }

  .fee-modern-row div:first-child {
    font-weight: 600;
    margin-bottom: 10px;
  }

  /* label auto */
  .fee-modern-row div:nth-child(2)::before {
    content: "Early Bird";
    opacity: 0.6;
  }

  .fee-modern-row div:nth-child(3)::before {
    content: "Regular";
    opacity: 0.6;
  }

  .fee-modern-row div::before {
    margin-right: auto;
  }

  /* highlight */
  .fee-modern-highlight {
    font-size: 14px;
    padding: 10px;
  }

  /* grid หลัก */
  .fee-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
}