/* COE Entry Form - SmartAdmin Aurora Theme Style */
@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #886ab5;
  --primary-dark: #6f51a1;
  --primary-light: #a78bca;
  --primary-50: #f3eef9;
  --primary-100: #e1d5f0;
  --success: #1dc9b7;
  --success-light: #e8faf8;
  --info: #2196F3;
  --info-light: #e3f2fd;
  --warning: #ffc241;
  --warning-light: #fff8e1;
  --danger: #fd3995;
  --danger-light: #fde7f0;
  --fusion: #4b4b5e;
  --body-color: #505050;
  --body-bg: #f5f5f9;
  --card-bg: #fff;
  --border-color: #e9ecef;
  --header-height: 64px;
  --font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 0.5rem;
  --shadow: 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  font-size: 0.925rem;
  color: var(--body-color);
  background: var(--body-bg);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Header */
.app-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(136,106,181,0.3);
}

.app-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.app-header .subtitle {
  font-size: 0.75rem;
  opacity: 0.8;
  font-weight: 300;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 0.25rem;
}

.lang-switcher button {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font-family);
  transition: all 0.2s;
}

.lang-switcher button:hover,
.lang-switcher button.active {
  background: rgba(255,255,255,0.3);
  border-color: rgba(255,255,255,0.5);
}

/* Main Container */
.main-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Progress Steps */
.step-progress {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  padding: 1.25rem 0;
  gap: 0;
}

.step-indicator {
  display: flex;
  align-items: center;
  font-size: 0.8rem;
  color: #adb5bd;
  font-weight: 500;
}

.step-indicator .step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  background: #e9ecef;
  color: #adb5bd;
  transition: all 0.3s;
  flex-shrink: 0;
}

.step-indicator .step-label {
  display: none;
  margin-left: 0.5rem;
  white-space: nowrap;
}

@media (min-width: 640px) {
  .step-indicator .step-label {
    display: inline;
  }
}

.step-indicator.active .step-num {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(136,106,181,0.4);
}

.step-indicator.active .step-label {
  color: var(--primary);
}

.step-indicator.completed .step-num {
  background: var(--success);
  color: #fff;
}

.step-indicator.completed .step-label {
  color: var(--success);
}

.step-connector {
  width: 40px;
  height: 2px;
  background: #e9ecef;
  margin: 0 0.25rem;
  align-self: center;
  transition: background 0.3s;
}

@media (min-width: 640px) {
  .step-connector { width: 60px; }
}

.step-connector.completed {
  background: var(--success);
}

/* Card */
.form-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.form-card h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fusion);
  margin: 0 0 0.25rem;
}

.form-card .section-desc {
  font-size: 0.825rem;
  color: #6c757d;
  margin-bottom: 1.5rem;
}

/* Form Elements */
.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--fusion);
  margin-bottom: 0.35rem;
}

.form-group label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-group label .optional {
  color: #adb5bd;
  font-weight: 400;
  font-size: 0.75rem;
  margin-left: 4px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.55rem 0.85rem;
  font-size: 0.9rem;
  font-family: var(--font-family);
  color: var(--body-color);
  background: #fff;
  border: 1px solid #ced4da;
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(136,106,181,0.15);
}

.form-control.is-invalid {
  border-color: var(--danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(253,57,149,0.15);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 1rem;
}

@media (min-width: 640px) {
  .form-row-2 { grid-template-columns: 1fr 1fr; }
  .form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.invalid-feedback {
  font-size: 0.78rem;
  color: var(--danger);
  margin-top: 0.25rem;
  display: none;
}

.form-group.has-error .invalid-feedback {
  display: block;
}

.form-group.has-error .form-control {
  border-color: var(--danger);
}

/* Checkbox / Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
}

.form-check label {
  font-size: 0.875rem;
  cursor: pointer;
  margin: 0;
  font-weight: 400;
  color: var(--body-color);
}

/* Alert / Warning Boxes */
.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.84rem;
  margin-bottom: 1rem;
  display: none;
  border: 1px solid transparent;
  line-height: 1.5;
}

.alert.show { display: flex; align-items: flex-start; gap: 0.5rem; }

.alert-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.alert-warning {
  background: var(--warning-light);
  color: #856404;
  border-color: #ffeeba;
}

.alert-danger {
  background: var(--danger-light);
  color: #721c24;
  border-color: #f5c6cb;
}

.alert-info {
  background: var(--info-light);
  color: #0c5460;
  border-color: #b8daff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-family);
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 2px 8px rgba(136,106,181,0.3);
}

.btn-primary:disabled {
  background: #c4b5d9;
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary-50);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #17a89a;
}

.btn-group {
  display: flex;
  justify-content: space-between;
  margin-top: 1.5rem;
  gap: 0.75rem;
}

/* Checklist (Step 3) */
.doc-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.doc-checklist li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border-color);
}

.doc-checklist li:last-child {
  border-bottom: none;
}

/* Confirmation (Step 5) */
.confirm-section {
  margin-bottom: 1.5rem;
}

.confirm-section h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--primary-50);
}

.confirm-table {
  width: 100%;
  border-collapse: collapse;
}

.confirm-table tr {
  border-bottom: 1px solid var(--border-color);
}

.confirm-table td {
  padding: 0.5rem 0;
  font-size: 0.875rem;
  vertical-align: top;
}

.confirm-table td:first-child {
  color: #6c757d;
  width: 40%;
  padding-right: 1rem;
  font-weight: 500;
}

.confirm-table td:last-child {
  color: var(--body-color);
  font-weight: 400;
}

/* Success Screen */
.success-screen {
  text-align: center;
  padding: 3rem 1.5rem;
}

.success-screen .success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--success-light);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
}

.success-screen h2 {
  color: var(--fusion);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.success-screen .ref-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1rem 0;
  padding: 0.75rem;
  background: var(--primary-50);
  border-radius: var(--radius);
  display: inline-block;
}

/* Loading Overlay */
.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
}

.loading-overlay.show {
  display: flex;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Step panels */
.step-panel { display: none; }
.step-panel.active { display: block; }

/* Footer */
.app-footer {
  text-align: center;
  padding: 1.5rem;
  color: #adb5bd;
  font-size: 0.8rem;
}

/* Responsive tweaks */
@media (max-width: 639px) {
  .form-card { padding: 1.25rem; }
  .main-container { padding: 1rem; }
  .btn-group { flex-direction: column-reverse; }
  .btn-group .btn { width: 100%; }
  .app-header { padding: 0 1rem; }
  .app-header h1 { font-size: 1.05rem; }
}