:root {
  --primary: #4338ca;
  --primary-dark: #312e81;
  --accent: #ef4444;
  --bg: #f3f4f6;
  --card-bg: #ffffff;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --input-focus: #6366f1;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: auto;
}

/* HEADER */
.header {
  background: linear-gradient(135deg, #4338ca, #1e3a8a, #0f172a);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 30px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  color: #fff;
}

.logo-box {
  width: 100px;
  height: 100px;
  background: #ffffff00;
  border-radius: 15px;
  padding: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-box img {
  width: 100%;
  height: auto;
}

.header-details h1 {
  font-size: 28px;
  letter-spacing: -0.5px;
}

.header-details h4 {
  opacity: 0.9;
  font-weight: 400;
  margin-top: 5px;
}

/* SECTIONS LAYOUT */
.main-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 15px;
  align-items: start;
}

.full-width {
  grid-column: 1 / -1;
}

.card {
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-bottom: 5px;
}

.card-header {
  background: var(--primary-dark);
  color: #fff;
  padding: 10px 25px;
  font-weight: 600;
  font-size: 1.1rem;
}

.card-body {
  padding: 25px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* FLOATING LABELS */
.form-group {
  position: relative;
  margin-bottom: 20px;
}

.form-group i {
  position: absolute;
  left: 15px;
  top: 18px;
  color: var(--primary);
  transition: 0.3s;
  z-index: 2;
}

.input-field {
  width: 100%;
  padding: 16px 15px 16px 45px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: #fff;
  font-size: 15px;
  transition: 0.3s;
  color: var(--text-main);
}

.floating-label {
  position: absolute;
  left: 45px;
  top: 16px;
  color: var(--text-muted);
  pointer-events: none;
  transition: 0.2s ease all;
  font-size: 15px;
  background: transparent;
}

/* Float up effect */
.input-field:focus~.floating-label,
.input-field:not(:placeholder-shown)~.floating-label {
  top: -10px;
  left: 12px;
  font-size: 12px;
  color: var(--primary);
  background: #fff;
  padding: 0 5px;
  font-weight: 700;
}

.input-field:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* RESPONSIVE GRID SYSTEM (Mobile first: 1 column, Desktop: 2 columns) */
.grid-1, .grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

@media (min-width: 769px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* UPLOAD BOXES */
.upload-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: 15px;
  padding: 15px;
  text-align: center;
  cursor: pointer;
  transition: 0.3s;
  background: #f9fafb;
}

.drop-zone:hover {
  border-color: var(--primary);
  background: #f5f3ff;
}

.preview-box {
  height: 80px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-box img {
  max-height: 100%;
  border-radius: 8px;
}

.drop-zone p {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.drop-zone input {
  display: none;
}

/* EDUCATION SECTION */
.edu-table-container {
  overflow-x: auto;
  background: #f8faff;
  border-radius: 15px;
  padding: 15px;
  border: 1px solid var(--border);
}

.edu-row {
  display: grid;
  grid-template-columns: 2fr 2fr 1fr 1fr 1fr 50px;
  gap: 10px;
  margin-bottom: 10px;
}

.edu-row input {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}

.btn-add {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.btn-remove {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

/* PAYMENT SECTION */
.payment-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px;
}

.bank-info-card {
  background: linear-gradient(135deg, #1e293b, #334155);
  color: #fff;
  padding: 25px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.bank-info-content {
  flex: 1;
}

.bank-info-content h4 {
  color: #94a3b8;
  font-size: 12px;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.bank-details p {
  font-size: 15px;
  margin-bottom: 6px;
  font-family: 'Courier New', monospace;
}

.qr-area {
  background: #fff;
  padding: 5px;
  border-radius: 12px;
  width: 140px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.qr-area img {
  width: 100%;
  height: auto;
  display: block;
}

.qr-text {
  font-size: 10px;
  color: #333;
  font-weight: 800;
  margin-top: 8px;
}

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 992px) {
  .main-grid, .payment-layout {
    grid-template-columns: 1fr;
  }

  .edu-row {
    grid-template-columns: 1fr 1fr;
  }

  .edu-row :last-child {
    grid-column: span 2;
  }
}

@media (min-width: 769px) {
  /* Specific Desktop override for admission details view row */
  .admission-three-col {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}

@media (max-width: 480px) {
  .bank-info-card {
    flex-direction: column;
    text-align: center;
  }

  .qr-area {
    margin: 0 auto;
  }
  
  .header {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
}

.bank-details p {
  font-size: 14px;
  margin-bottom: 5px;
}

/* SUBMIT */
.submit-area {
  text-align: center;
  margin-top: 20px;
}

.submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 18px 60px;
  border-radius: 15px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(239, 68, 68, 0.3);
}