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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  background: #f8fafc;
  color: #0f172a;
}

/* HEADER */
.header {
  background: white;
  border-bottom: 2px solid #e2e8f0;
  padding: 1.5rem 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: #2563eb;
}

.user-info {
  text-align: right;
  font-size: 13px;
  color: #475569;
}

.user-info strong {
  color: #0f172a;
  display: block;
}

/* CONTAINER */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* CARDS */
.card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  margin-bottom: 2rem;
}

.card-header {
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.card h1 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 0.5rem 0;
}

.card p {
  color: #64748b;
  margin: 0;
}

/* BUTTONS */
button {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: #2563eb;
  color: white;
  width: 100%;
  margin-top: 1rem;
}

.btn-primary:hover {
  background: #1e40af;
}

.btn-secondary {
  background: white;
  color: #2563eb;
  border: 2px solid #2563eb;
}

.btn-secondary:hover {
  background: #f0f7ff;
}

.btn-success {
  background: #10b981;
  color: white;
}

.btn-success:hover {
  background: #059669;
}

/* FORM INPUTS */
input, select, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 13px;
  font-family: inherit;
  margin-bottom: 1rem;
  box-sizing: border-box;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

/* GRID */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* PROGRESS BAR */
#progressFill {
  height: 100%;
  background: #2563eb;
  width: 14%;
  transition: width 0.3s;
}

/* ALERTS */
.alert-info {
  background: #dbeafe;
  border-left: 3px solid #2563eb;
  padding: 1rem;
  border-radius: 6px;
  color: #1e40af;
  font-size: 13px;
  margin-bottom: 1rem;
}

.alert-success {
  background: #d1fae5;
  border-left: 3px solid #10b981;
  padding: 1rem;
  border-radius: 6px;
  color: #065f46;
  font-size: 13px;
}

.alert-warning {
  background: #fef3c7;
  border-left: 3px solid #f59e0b;
  padding: 1rem;
  border-radius: 6px;
  color: #92400e;
  font-size: 13px;
}

/* TABS */
.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 1rem;
}

.tab-btn {
  padding: 0.5rem 1rem;
  background: white;
  color: #2563eb;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

.tab-btn.active {
  background: #2563eb;
  color: white;
  border: none;
}

/* HIDDEN */
.hidden {
  display: none !important;
}

/* LOADING */
.loading {
  opacity: 0.6;
  pointer-events: none;
}