/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  background: #f4f5f7;
  color: #1a1a1a;
  line-height: 1.6;
}

a { color: #0078d4; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Disclaimer Banner ===== */
.disclaimer-banner {
  background: #fff3cd;
  border-bottom: 2px solid #ffca2c;
  padding: 12px 0;
  font-size: 0.88rem;
  color: #664d03;
  line-height: 1.5;
}

.disclaimer-banner .container {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.disclaimer-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.disclaimer-banner a {
  color: #664d03;
  text-decoration: underline;
}

.disclaimer-banner a:hover {
  color: #3d2e02;
}

/* ===== Layout ===== */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
header {
  background: #0078d4;
  color: #fff;
  padding: 24px 0;
  margin-bottom: 32px;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

header p {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-top: 4px;
}

/* ===== Sections ===== */
.section {
  background: #fff;
  border: 1px solid #e1e4e8;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.section h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: #0078d4;
  border-bottom: 2px solid #0078d4;
  padding-bottom: 6px;
}

/* ===== Content Type Grid ===== */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.content-grid label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 12px;
  background: #f8f9fa;
  border: 1px solid #e1e4e8;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.15s;
}

.content-grid label:hover {
  background: #e8f4fd;
}

.content-grid input[type="checkbox"] {
  margin-top: 3px;
  accent-color: #0078d4;
}

.content-desc {
  display: block;
  font-size: 0.78rem;
  color: #666;
  margin-top: 2px;
}

/* ===== Import Bar ===== */
.import-bar {
  background: #f8f9fa;
  border: 1px solid #e1e4e8;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.import-info {
  font-size: 0.88rem;
  color: #444;
  margin-bottom: 10px;
}

.import-info a {
  color: #0078d4;
}

.import-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.btn-upload {
  cursor: pointer;
}

.privacy-banner {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: #555;
  background: #e8f4fd;
  border: 1px solid #bde0fe;
  border-radius: 6px;
  padding: 8px 12px;
}

/* ===== Site Cards (Input) ===== */
.site-card {
  background: #fafbfc;
  border: 1px solid #d0d7de;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.site-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.site-card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #333;
}

.btn-remove {
  background: none;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  font-size: 1.2rem;
  width: 32px;
  height: 32px;
  cursor: pointer;
  color: #888;
  line-height: 1;
  transition: all 0.15s;
}

.btn-remove:hover {
  background: #fee;
  border-color: #d93025;
  color: #d93025;
}

/* ===== Form Grid ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 4px;
}

.form-group input,
.form-group select {
  padding: 8px 10px;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #0078d4;
  box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.15);
}

/* ===== Buttons ===== */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary {
  background: #0078d4;
  color: #fff;
}

.btn-primary:hover {
  background: #106ebe;
}

.btn-secondary {
  background: #fff;
  color: #0078d4;
  border: 1px solid #0078d4;
}

.btn-secondary:hover {
  background: #e8f4fd;
}

.btn-add {
  background: #fff;
  color: #333;
  border: 1px dashed #d0d7de;
  width: 100%;
  padding: 14px;
  font-size: 0.9rem;
}

.btn-add:hover {
  border-color: #0078d4;
  color: #0078d4;
  background: #f8fbfe;
}

/* ===== Results Section ===== */
#results-section {
  display: none;
}

/* ===== Export Bar ===== */
.export-bar {
  display: none;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding: 14px 0;
}

.export-bar span {
  font-weight: 600;
  font-size: 0.9rem;
  color: #444;
}

/* ===== Result Cards ===== */
.result-card {
  background: #fff;
  border: 1px solid #e1e4e8;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
  page-break-inside: avoid;
}

.result-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.result-card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #0078d4;
}

.badge {
  background: #e8f4fd;
  color: #0078d4;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 12px;
}

.result-category {
  margin-bottom: 16px;
  font-size: 0.92rem;
}

.category-desc {
  display: block;
  font-size: 0.82rem;
  color: #666;
  margin-top: 2px;
}

.result-section {
  margin-bottom: 18px;
}

.result-section h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
}

/* ===== Tables ===== */
.spec-table,
.policy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.spec-table td,
.policy-table td,
.policy-table th {
  padding: 8px 12px;
  border-bottom: 1px solid #eee;
}

.spec-table tr:last-child td,
.policy-table tr:last-child td {
  border-bottom: none;
}

.spec-table td:first-child {
  font-weight: 600;
  color: #444;
  width: 40%;
}

.policy-table th {
  font-weight: 600;
  color: #444;
  text-align: left;
  background: #f8f9fa;
  border-bottom: 2px solid #e1e4e8;
}

.policy-table code {
  font-size: 0.82rem;
  background: #f0f0f0;
  padding: 2px 5px;
  border-radius: 3px;
}

/* ===== Alerts ===== */
.alert {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  margin-bottom: 8px;
  line-height: 1.5;
}

.alert-warning {
  background: #fff8e5;
  border: 1px solid #f0d060;
  color: #735c0f;
}

.alert-info {
  background: #e8f4fd;
  border: 1px solid #bde0fe;
  color: #0a3d62;
}

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

/* ===== OS Note ===== */
.os-note {
  font-size: 0.85rem;
  color: #555;
  margin-top: 6px;
  font-style: italic;
}

/* ===== Summary ===== */
.summary-table td:first-child {
  width: 50%;
}

.general-requirements {
  margin-top: 16px;
}

.general-requirements h4 {
  font-size: 0.92rem;
  margin-bottom: 8px;
}

.general-requirements ul {
  padding-left: 20px;
  font-size: 0.88rem;
  color: #444;
}

.general-requirements li {
  margin-bottom: 4px;
}

/* ===== Methodology ===== */
#methodology h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #333;
  margin: 18px 0 8px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

#methodology h4:first-of-type {
  margin-top: 12px;
}

#methodology p {
  font-size: 0.88rem;
  color: #444;
  margin-bottom: 10px;
  line-height: 1.6;
}

.methodology-note {
  font-style: italic;
  color: #666 !important;
  font-size: 0.84rem !important;
}

.source-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: #e8f4fd;
  color: #0a5a94;
  vertical-align: middle;
  letter-spacing: 0.2px;
}

.source-tag-assumption {
  background: #fff3e0;
  color: #8a5e00;
}

.estimate-disclaimer {
  font-size: 0.82rem;
  color: #666;
  font-style: italic;
  margin-top: 6px;
}

.estimate-disclaimer a {
  color: #0078d4;
}

/* ===== Peak Delivery Analysis ===== */
.peak-intro {
  font-size: 0.88rem;
  color: #555;
  margin-bottom: 12px;
}

.peak-walkthrough {
  background: #f0f6fc;
  border: 1px solid #d0e3f5;
  border-radius: 6px;
  padding: 12px 16px;
  margin-top: 10px;
  font-size: 0.88rem;
}

.peak-walkthrough ol {
  margin: 6px 0 0 18px;
  color: #333;
}

.peak-walkthrough ol li {
  margin-bottom: 4px;
}

.peak-mitigations {
  background: #f0fff4;
  border: 1px solid #c6efce;
  border-radius: 6px;
  padding: 12px 16px;
  margin-top: 8px;
  font-size: 0.88rem;
}

.peak-mitigations ul {
  margin: 6px 0 0 18px;
  color: #333;
}

.peak-mitigations ul li {
  margin-bottom: 4px;
}

.label-hint {
  display: inline-block;
  position: relative;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #e1e4e8;
  color: #555;
  font-size: 0.72rem;
  text-align: center;
  line-height: 16px;
  cursor: help;
  margin-left: 4px;
  vertical-align: middle;
}

.label-hint::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a1a;
  color: #fff;
  font-size: 0.78rem;
  font-weight: normal;
  line-height: 1.4;
  padding: 8px 12px;
  border-radius: 6px;
  white-space: normal;
  width: 260px;
  max-width: 80vw;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.label-hint::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #1a1a1a;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  z-index: 1000;
}

.label-hint:hover::after,
.label-hint:focus::after,
.label-hint:hover::before,
.label-hint:focus::before {
  opacity: 1;
  visibility: visible;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 24px 0;
  font-size: 0.82rem;
  color: #888;
  border-top: 1px solid #e1e4e8;
  margin-top: 32px;
}

footer a {
  color: #0078d4;
}

/* ===== Print Styles ===== */
@media print {
  body {
    background: #fff;
    font-size: 11pt;
  }

  header {
    background: #0078d4 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    margin-bottom: 16px;
  }

  #input-section,
  #calculate-section,
  .export-bar,
  .btn-remove,
  .btn-add,
  footer {
    display: none !important;
  }

  #results-section {
    display: block !important;
  }

  .result-card {
    break-inside: avoid;
    border: 1px solid #ccc;
    margin-bottom: 12px;
  }

  .section {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .alert-warning {
    background: #fff8e5 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .alert-info {
    background: #e8f4fd !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .result-card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .export-bar {
    flex-direction: column;
    align-items: stretch;
  }
}