/* ============================================================
   AQR B2B 계약서 — style.css
   ============================================================ */

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

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image: url('back.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* === Page Header === */
.page-header {
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.57) 0%, rgba(76, 29, 149, 0.55) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.8rem 1.5rem 2.4rem;
  text-align: center;
}

.header-logo {
  height: 32px;
  margin: 0 auto 1.2rem;
  display: block;
  filter: brightness(0) invert(1);
}

.header-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
  margin: 0 0 0.6rem;
}

.header-sub {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

@media (max-width: 480px) {
  .header-title { font-size: 1.45rem; }
  .header-inner { padding: 2rem 1.2rem 1.8rem; }
}

/* === Main Section === */
.main-section {
  padding: 2rem 1rem 3rem;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

/* === Form Card === */
.form-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.18);
  padding: 2.4rem 2rem;
  margin-top: -1rem;
}

@media (max-width: 576px) {
  .form-card {
    padding: 1.6rem 1.1rem;
    border-radius: 14px;
    margin-top: -0.5rem;
  }
}

/* === Contract Box === */
.contract-box {
  background: rgba(239, 246, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-left: 3px solid #3b82f6;
  border-radius: 10px;
  padding: 1.1rem 1.3rem;
  max-height: 200px;
  overflow-y: auto;
  font-size: 0.875rem;
  line-height: 1.9;
  color: #374151;
  scroll-behavior: smooth;
  margin-bottom: 0;
}

.contract-box p {
  margin: 0 0 0.85rem;
}

.contract-box p:last-child {
  margin-bottom: 0;
}

.contract-box .contact-line a {
  color: #2563eb;
  text-decoration: underline;
}

.contract-box::-webkit-scrollbar { width: 5px; }
.contract-box::-webkit-scrollbar-track { background: rgba(0,0,0,0.04); border-radius: 3px; }
.contract-box::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.18); border-radius: 3px; }

/* === Section Divider === */
.section-divider {
  border: none;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  margin: 1.8rem 0;
}

/* === Section Title === */
.section-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.1rem;
}

/* === Form Group === */
.form-group {
  margin-bottom: 1.1rem;
}

/* === Form Label === */
.form-label {
  display: block;
  font-weight: 500;
  font-size: 0.875rem;
  color: #374151;
  margin-bottom: 0.35rem;
}

.required { color: #dc2626; }

.optional {
  color: #9ca3af;
  font-size: 0.78rem;
  font-weight: 400;
  margin-left: 3px;
}

/* === Form Control === */
.form-control {
  display: block;
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-size: 0.92rem;
  color: #111827;
  background: #f9fafb;
  border: 1px solid #d1d5db;
  border-radius: 9px;
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  font-family: inherit;
  -webkit-appearance: none;
}

.form-control:focus {
  background: #fff;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-control::placeholder { color: #9ca3af; }

.form-control.is-invalid {
  border-color: #f87171;
  background: #fff5f5;
}

/* === Field Error === */
.field-error {
  display: block;
  font-size: 0.78rem;
  color: #dc2626;
  margin-top: 0.3rem;
  min-height: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.2s ease, opacity 0.2s ease, margin-top 0.2s ease;
}

.field-error.visible {
  max-height: 2rem;
  opacity: 1;
  margin-top: 0.35rem;
}

.file-upload-area.is-invalid {
  border-color: #f87171;
  background: #fff5f5;
}

/* number input arrows */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; }

/* === File Upload === */
.file-upload-area {
  border: 2px dashed #d1d5db;
  border-radius: 10px;
  padding: 1.8rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: #f9fafb;
  user-select: none;
}

.file-upload-area:hover,
.file-upload-area.drag-over {
  border-color: #3b82f6;
  background: #eff6ff;
}

.file-upload-area.has-file {
  border-color: #3b82f6;
  background: #eff6ff;
}

.file-upload-area input[type="file"] { display: none; }

.file-upload-icon svg {
  width: 2.2rem;
  height: 2.2rem;
  margin: 0 auto;
  color: #6b7280;
}

.file-upload-text {
  color: #374151;
  font-size: 0.9rem;
  margin: 0.5rem 0 0.25rem;
}

.file-upload-hint {
  color: #9ca3af;
  font-size: 0.78rem;
}

.file-name-display {
  margin-top: 0.65rem;
  font-size: 0.85rem;
  color: #2563eb;
  font-weight: 500;
  word-break: break-all;
}

/* === Summary Table === */
.summary-section {
  margin-bottom: 0;
}

.summary-table-wrap {
  border: 1px solid #d1d5db;
  border-radius: 10px;
  overflow: hidden;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.summary-table th,
.summary-table td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.summary-table th {
  width: 42%;
  background: #f3f4f6;
  color: #6b7280;
  font-weight: 500;
  white-space: nowrap;
}

.summary-table td {
  color: #111827;
  word-break: break-all;
}

.summary-table tr:last-child th,
.summary-table tr:last-child td {
  border-bottom: none;
}

.summary-divider-row th,
.summary-divider-row td {
  padding: 0 !important;
  height: 4px;
  background: #e5e7eb;
  border-bottom: none !important;
}

.summary-total-row th,
.summary-total-row td {
  background: #eff6ff;
  font-weight: 700;
}

.summary-total-row td {
  color: #1d4ed8;
  font-size: 1rem;
}

/* === Agree List === */
.agree-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  overflow: hidden;
}

.agree-item {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid #e5e7eb;
  transition: background 0.15s;
}

.agree-item:last-child {
  border-bottom: none;
}

.agree-item:hover {
  background: #f8faff;
}

.agree-item .privacy-label {
  color: #374151;
  font-size: 0.875rem;
  line-height: 1.6;
}

/* === Privacy Check === */
.privacy-check-wrap {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  padding: 1rem 1.1rem;
  border-radius: 9px;
}

.privacy-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: #374151;
  line-height: 1.65;
}

.privacy-checkbox {
  accent-color: #3b82f6;
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  margin-top: 2px;
  cursor: pointer;
}

.privacy-link {
  color: #2563eb;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* === Submit Wrap === */
.submit-wrap {
  margin-top: 1.5rem;
  text-align: center;
}

/* === Submit Button === */
.btn-submit {
  display: inline-block;
  padding: 0.85rem 0;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  width: 100%;
  max-width: 320px;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 22px rgba(37, 99, 235, 0.42);
  letter-spacing: 0.02em;
}

.btn-submit:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 30px rgba(37, 99, 235, 0.55);
}

.btn-submit:active:not(:disabled) { transform: translateY(0); }

.btn-submit:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  background: linear-gradient(135deg, #64748b, #475569);
}

/* === Loading Indicator === */
.loading-indicator {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1rem;
  color: #6b7280;
  font-size: 0.88rem;
}

/* === Spinner === */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid #e5e7eb;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* === Result Boxes === */
.result-box {
  display: none;
  padding: 1.8rem 1.5rem;
  border-radius: 12px;
  text-align: center;
  margin-top: 1.5rem;
}

.result-box svg {
  width: 2.2rem;
  height: 2.2rem;
  margin: 0 auto 0.6rem;
}

.result-box.success {
  background: rgba(20, 83, 45, 0.35);
  border: 1px solid rgba(134, 239, 172, 0.38);
  color: #bbf7d0;
}

.result-box.error {
  background: rgba(127, 29, 29, 0.35);
  border: 1px solid rgba(252, 165, 165, 0.38);
  color: #fecaca;
}

.result-box.error a { color: #fca5a5; text-decoration: underline; }

.result-title {
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 0.35rem;
}

.result-sub {
  font-size: 0.875rem;
  margin: 0;
  opacity: 0.85;
}

/* === Toast === */
.validation-toast {
  position: fixed;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(220, 38, 38, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  padding: 0.75rem 1.3rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  max-width: calc(100vw - 2rem);
  z-index: 9999;
  transition: top 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

.validation-toast.show {
  top: 1.2rem;
  pointer-events: auto;
}

.validation-toast svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.toast-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0 0 0.3rem;
  opacity: 0.7;
}

.toast-close:hover { opacity: 1; }

/* === Modal === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: #1a2645;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  width: 100%;
  max-width: 600px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.38), rgba(124, 58, 237, 0.38));
  border-radius: 16px 16px 0 0;
  flex-shrink: 0;
}

.modal-header h5 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.modal-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.65);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}

.modal-close:hover { color: #fff; }

.modal-body {
  padding: 1.4rem 1.5rem;
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.85;
  color: rgba(255,255,255,0.72);
  flex: 1;
}

.modal-body::-webkit-scrollbar { width: 5px; }
.modal-body::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); }
.modal-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }

.modal-body h6 {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin: 1.2rem 0 0.3rem;
}

.modal-body p { margin: 0 0 0.5rem; }

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-modal-close {
  padding: 0.55rem 1.3rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.75);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
  transition: background 0.2s;
}

.btn-modal-close:hover { background: rgba(255,255,255,0.15); }

.btn-modal-agree {
  padding: 0.55rem 1.3rem;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  border: none;
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  transition: opacity 0.2s;
}

.btn-modal-agree:hover { opacity: 0.88; }

/* === Footer === */
.footer {
  border-top: 1px solid rgba(255,255,255,0.07);
  margin-top: 1rem;
}

.footer-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
  text-align: center;
}

.footer-logo {
  height: 22px;
  opacity: 0.55;
  margin: 0 auto 0.5rem;
  display: block;
}

.footer-text {
  color: rgba(0,0,0,0.45);
  font-size: 0.78rem;
  margin: 0;
}

.footer-text a {
  color: rgba(0,0,0,0.55);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-text a:hover { color: rgba(0,0,0,0.85); }

.footer-text #footerPrivacyLink {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: rgba(0,0,0,0.25);
  transition: color 0.15s;
}

.footer-text #footerPrivacyLink:hover { color: rgba(0,0,0,0.85); }