:root {
  --brand-teal: #34AC98;
  --brand-dark: #0B2240;
}

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

body {
  background-color: #F8FAFC;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #1E293B;
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* NAVBAR */
.navbar {
  background-color: #ffffff;
  border-bottom: 1px solid #E2E8F0;
  padding: 15px 0;
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo img {
  height: 45px;
  width: auto;
  object-fit: contain;
}

.brand-title {
  display: block;
  font-weight: 700;
  font-size: 1.2rem;
  color: #0B2240;
}

.brand-subtitle {
  display: block;
  font-size: 0.75rem;
  color: #64748B;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: #475569;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #008080;
  font-weight: 600;
}

/* MAIN LAYOUT */
main.container {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.main-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

/* CARD SECTIONS */
.card-section {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 0.85rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.card-title-badge {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: #0B2240;
  font-size: 1rem;
}

.step-num {
  background-color: #0B2240;
  color: #ffffff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

/* DROPZONE & FILE STATUS */
.upload-dropzone {
  border: 2px dashed #CBD5E1;
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  background: #F8FAFC;
  transition: all 0.2s ease;
}

.upload-dropzone:hover {
  border-color: #34AC98;
  background: #F0FDF4;
}

.upload-icon-wrapper {
  width: 48px;
  height: 48px;
  background: #E6F7F4;
  color: #34AC98;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem auto;
}

.file-status-card {
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: 0.75rem;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}

.file-info-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.raw-badge {
  background-color: var(--brand-teal);
  color: #FFFFFF;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.25rem 0.5rem;
  border-radius: 0.35rem;
  letter-spacing: 0.05em;
}

.btn-change-file {
  background: transparent;
  border: none;
  color: #EF4444;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  transition: opacity 0.2s;
}

.btn-change-file:hover {
  text-decoration: underline;
}

/* CHECKBOX GRID */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.85rem;
}

.checkbox-card {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.85rem;
  border: 1px solid #E2E8F0;
  border-radius: 0.6rem;
  background: #FFFFFF;
  cursor: pointer;
  transition: all 0.2s ease;
}

.checkbox-card:hover {
  border-color: #34AC98;
  background: #F0FDF4;
}

.checkbox-card input[type="checkbox"] {
  margin-top: 0.2rem;
  accent-color: #34AC98;
}

.checkbox-title {
  display: block;
  font-size: 0.825rem;
  font-weight: 700;
  color: #0B2240;
}

.checkbox-desc {
  display: block;
  font-size: 0.7rem;
  color: #64748B;
  margin-top: 0.15rem;
}

/* FORM GRID */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.775rem;
  font-weight: 700;
  color: #0B2240;
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid #CBD5E1;
  border-radius: 0.5rem;
  font-size: 0.825rem;
  color: #1E293B;
  outline: none;
  background: #FFFFFF;
}

.form-control:focus {
  border-color: #34AC98;
  box-shadow: 0 0 0 3px rgba(52, 172, 152, 0.15);
}

/* MAIN SUBMIT BUTTON */
.btn-submit-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, #0B2240, #1E3A8A);
  color: #FFFFFF;
  text-decoration: none;
  padding: 1rem 1.5rem;
  border-radius: 0.65rem;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(11, 34, 64, 0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-submit-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(11, 34, 64, 0.35);
}

/* SIDEBAR */
.sidebar-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 0.85rem;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.sidebar-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: #0B2240;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.guide-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.guide-item {
  display: flex;
  gap: 0.75rem;
  font-size: 0.725rem;
}

.guide-num {
  background: #F1F5F9;
  color: #0B2240;
  font-weight: 800;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.security-box {
  background: #0F172A;
  border-radius: 0.85rem;
  padding: 1.25rem;
  color: #FFFFFF;
}

.security-list {
  list-style: none;
  margin-top: 0.65rem;
  font-size: 0.725rem;
  color: #CBD5E1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* FOOTER */
.footer {
  background-color: #ffffff;
  border-top: 1px solid #E2E8F0;
  padding: 40px 0 20px 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
}

.footer-title {
  font-size: 0.85rem;
  color: #0B2240;
  margin-bottom: 0.5rem;
}

.footer-links {
  list-style: none;
  font-size: 0.75rem;
  color: #64748B;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}