/* ==============================================
   Chmod Calculator Tool Styles
   Matches existing tool theme (warm cream/beige)
   ============================================== */

.chmod-page-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px 40px;
  background: #faf8f5;
  min-height: 100vh;
}

.chmod-tool {
  max-width: 1200px;
  width: 100%;
  padding: 0;
  background: #faf8f5;
}

body:has(.chmod-tool) {
  background: #faf8f5 !important;
}

/* Tool Header */
.chmod-tool .tool-header {
  text-align: center;
  margin-bottom: 24px;
  padding: 40px 30px;
  background: linear-gradient(135deg, #292524 0%, #44403c 100%);
  border-radius: 16px;
  color: #faf8f5;
  box-shadow: 0 4px 20px rgba(41, 37, 36, 0.2);
  position: relative;
  overflow: hidden;
}

.chmod-tool .tool-title {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 8px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #faf8f5;
  position: relative;
  z-index: 1;
}

.chmod-tool .tool-title i {
  font-size: 1.6rem;
  color: #fef3c7;
  animation: pulse-shield 2s ease-in-out infinite;
}

@keyframes pulse-shield {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.85; }
}

.chmod-tool .tool-subtitle {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  color: #d6d3d1;
  margin: 0;
  opacity: 0.85;
  position: relative;
  z-index: 1;
}

/* Tool Intro */
.chmod-tool .tool-intro {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  color: #57534e;
  line-height: 1.7;
  text-align: center;
  margin: 0 auto 24px;
  padding: 0 16px;
  max-width: 800px;
}

.chmod-tool .tool-intro strong {
  color: #44403c;
}

.chmod-tool .tool-intro code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  background: #292524;
  color: #fef3c7;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.88rem;
}

/* Calculator Main */
.chmod-tool .calculator-main {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 24px;
}

/* Octal Input Section */
.chmod-tool .octal-input-section {
  margin-bottom: 16px;
}

.chmod-tool .octal-input-section > label {
  display: block;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chmod-tool .octal-input-section > label i {
  color: #78716c;
}

.chmod-tool .octal-input-row {
  display: flex;
  align-items: center;
  gap: 4px;
  background: #292524;
  border-radius: 10px;
  padding: 8px 16px;
  max-width: 440px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
}

.chmod-tool .octal-prefix {
  color: #a8a29e;
  font-size: 1.1rem;
  font-weight: 600;
  user-select: none;
}

.chmod-tool .octal-input-row input {
  background: transparent;
  border: none;
  color: #fef3c7;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  width: 4.5ch;
  padding: 4px 2px;
  outline: none;
  letter-spacing: 3px;
  caret-color: #fef3c7;
}

.chmod-tool .octal-input-row input::placeholder {
  color: #57534e;
  letter-spacing: 3px;
}

.chmod-tool .octal-filename {
  color: #78716c;
  font-size: 0.95rem;
  margin-left: 4px;
  user-select: none;
}

.chmod-tool .octal-input-row .btn-copy {
  margin-left: auto;
  background: transparent;
  border: 1px solid #57534e;
  color: #a8a29e;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.15s ease;
}

.chmod-tool .octal-input-row .btn-copy:hover {
  background: #44403c;
  color: #fef3c7;
  border-color: #78716c;
}

/* Permission Grid */
.chmod-tool .permission-grid {
  margin-bottom: 14px;
}

.chmod-tool .grid-header {
  display: grid;
  grid-template-columns: 110px repeat(3, 1fr) 60px;
  gap: 0;
  margin-bottom: 4px;
  padding: 0 4px;
}

.chmod-tool .grid-col-header {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: #57534e;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 5px 0;
}

.chmod-tool .grid-col-header .perm-weight {
  font-weight: 500;
  color: #a8a29e;
  font-size: 0.72rem;
}

.chmod-tool .grid-octal-header {
  color: #78716c;
}

.chmod-tool .grid-row {
  display: grid;
  grid-template-columns: 110px repeat(3, 1fr) 60px;
  gap: 0;
  background: #f5f0e8;
  border: 2px solid #e7e0d5;
  border-radius: 10px;
  margin-bottom: 4px;
  padding: 2px 4px;
  transition: border-color 0.15s ease;
}

.chmod-tool .grid-row:hover {
  border-color: #d6cfc4;
}

.chmod-tool .grid-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
}

.chmod-tool .role-name {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  color: #292524;
}

.chmod-tool .role-hint {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 0.7rem;
  color: #a8a29e;
  background: #292524;
  padding: 1px 6px;
  border-radius: 4px;
}

.chmod-tool .grid-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px 0;
}

.chmod-tool .grid-octal-cell {
  display: flex;
  align-items: center;
  justify-content: center;
}

.chmod-tool .role-octal {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: #292524;
  background: #fffdf9;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 2px solid #e7e0d5;
}

/* Custom Checkboxes */
.chmod-tool .perm-checkbox {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.chmod-tool .perm-checkbox input {
  display: none;
}

.chmod-tool .perm-check-visual {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #d6cfc4;
  border-radius: 6px;
  background: #fffdf9;
  color: transparent;
  font-size: 0.85rem;
  transition: all 0.15s ease;
  cursor: pointer;
}

.chmod-tool .perm-check-visual:hover {
  border-color: #a8a29e;
  background: #f5f0e8;
}

.chmod-tool .perm-checkbox input:checked + .perm-check-visual {
  background: #292524;
  border-color: #292524;
  color: #fef3c7;
}

.chmod-tool .perm-checkbox input:checked + .perm-check-visual:hover {
  background: #44403c;
  border-color: #44403c;
}

/* Results Row */
.chmod-tool .results-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.chmod-tool .result-box {
  background: #f5f0e8;
  border: 2px solid #e7e0d5;
  border-radius: 8px;
  padding: 10px 14px;
  position: relative;
}

.chmod-tool .result-label {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  color: #78716c;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.chmod-tool .result-value {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 1.05rem;
  font-weight: 600;
  color: #292524;
  word-break: break-all;
}

.chmod-tool .result-command {
  font-size: 0.92rem;
  color: #44403c;
}

.chmod-tool .btn-copy-small {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border: none;
  color: #a8a29e;
  cursor: pointer;
  padding: 4px 6px;
  font-size: 0.75rem;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.chmod-tool .btn-copy-small:hover {
  color: #44403c;
  background: #e7e0d5;
}

/* Permission Summary */
.chmod-tool .permission-summary {
  background: #f5f0e8;
  border: 2px solid #e7e0d5;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 14px;
}

.chmod-tool .summary-header {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: #57534e;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chmod-tool .summary-header i {
  color: #78716c;
}

.chmod-tool .summary-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chmod-tool .summary-line {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.83rem;
  color: #57534e;
  line-height: 1.4;
  padding: 2px 0;
}

.chmod-tool .summary-line strong {
  color: #292524;
  font-weight: 700;
}

/* Presets */
.chmod-tool .presets-section {
  border-top: 1px solid #e7e0d5;
  padding-top: 14px;
}

.chmod-tool .presets-label {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: #57534e;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chmod-tool .presets-label i {
  color: #78716c;
}

.chmod-tool .presets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.chmod-tool .preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 8px 6px;
  border: 2px solid #e7e0d5;
  border-radius: 8px;
  background: #fffdf9;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 44px;
}

.chmod-tool .preset-btn:hover {
  border-color: #78716c;
  background: #f5f0e8;
}

.chmod-tool .preset-btn.active {
  border-color: #292524;
  background: #292524;
}

.chmod-tool .preset-btn.active .preset-value {
  color: #fef3c7;
}

.chmod-tool .preset-btn.active .preset-desc {
  color: #d6d3d1;
}

.chmod-tool .preset-value {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: #292524;
}

.chmod-tool .preset-desc {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  color: #78716c;
}

/* Reference Table */
.chmod-tool .reference-section {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.chmod-tool .reference-section h3 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chmod-tool .reference-section h3 i {
  color: #78716c;
}

.chmod-tool .reference-table-wrapper {
  overflow-x: auto;
}

.chmod-tool .chmod-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
}

.chmod-tool .chmod-table th,
.chmod-tool .chmod-table td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid #e7e0d5;
}

.chmod-tool .chmod-table th {
  background: #f5f0e8;
  font-weight: 600;
  color: #374151;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.chmod-tool .chmod-table td {
  color: #57534e;
}

.chmod-tool .chmod-table code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 0.9rem;
  background: #292524;
  color: #fef3c7;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.chmod-tool .chmod-table .clickable-row {
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.chmod-tool .chmod-table .clickable-row:hover {
  background: #f5f0e8;
}

.chmod-tool .table-hint {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.8rem;
  color: #a8a29e;
  text-align: center;
  margin: 12px 0 0 0;
}

.chmod-tool .table-hint i {
  margin-right: 4px;
}

/* Syntax Guide Section */
.chmod-tool .syntax-guide-section {
  margin-bottom: 32px;
}

.chmod-tool .syntax-guide-section > h3 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chmod-tool .syntax-guide-section > h3 i {
  color: #7c3aed;
}

.chmod-tool .syntax-guide-content {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  overflow: hidden;
}

.chmod-tool .guide-article {
  padding: 24px 28px;
  border-bottom: 1px solid #e7e0d5;
}

.chmod-tool .guide-article:last-child {
  border-bottom: none;
}

.chmod-tool .guide-article h2 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #292524;
  margin: 0 0 12px 0;
}

.chmod-tool .guide-article p {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: #57534e;
  line-height: 1.7;
  margin: 0 0 12px 0;
}

.chmod-tool .guide-article p:last-child {
  margin-bottom: 0;
}

.chmod-tool .guide-article code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  background: #292524;
  color: #fef3c7;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.85rem;
}

.chmod-tool .guide-article ul,
.chmod-tool .guide-article ol {
  list-style: none;
  margin: 10px 0;
  padding-left: 0;
}

.chmod-tool .guide-article li {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: #57534e;
  line-height: 1.7;
  padding: 8px 0 8px 20px;
  position: relative;
  border-bottom: 1px solid #f5f0e8;
}

.chmod-tool .guide-article li:last-child {
  border-bottom: none;
}

.chmod-tool .guide-article li::before {
  content: "•";
  color: #059669;
  font-weight: bold;
  position: absolute;
  left: 0;
}

.chmod-tool .guide-article li strong {
  color: #292524;
}

/* FAQ Section */
.chmod-tool .faq-section {
  margin-bottom: 32px;
  padding: 30px;
  background: #f5f0e8;
  border-radius: 16px;
  border: 2px solid #e7e0d5;
}

.chmod-tool .faq-section > h2 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 24px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chmod-tool .faq-section > h2 i {
  color: #78716c;
}

.chmod-tool .faq-item {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 12px;
}

.chmod-tool .faq-item:last-child {
  margin-bottom: 0;
}

.chmod-tool .faq-item h3 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #292524;
  margin: 0 0 10px 0;
}

.chmod-tool .faq-item p {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: #78716c;
  line-height: 1.6;
  margin: 0;
}

.chmod-tool .faq-item code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  background: #292524;
  color: #fef3c7;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
}

/* Copy feedback */
.chmod-tool .copy-success {
  color: #059669 !important;
}

/* Responsive */
@media (max-width: 768px) {
  .chmod-tool .tool-header {
    padding: 30px 20px;
    border-radius: 12px;
  }

  .chmod-tool .tool-title {
    font-size: 1.5rem;
    flex-direction: column;
    gap: 8px;
  }

  .chmod-tool .calculator-main {
    padding: 20px 14px;
  }

  .chmod-tool .octal-input-row {
    max-width: 100%;
  }

  .chmod-tool .grid-header {
    grid-template-columns: 80px repeat(3, 1fr) 48px;
  }

  .chmod-tool .grid-row {
    grid-template-columns: 80px repeat(3, 1fr) 48px;
  }

  .chmod-tool .grid-col-header {
    font-size: 0.7rem;
  }

  .chmod-tool .grid-col-header .perm-weight {
    display: none;
  }

  .chmod-tool .role-name {
    font-size: 0.8rem;
  }

  .chmod-tool .role-hint {
    display: none;
  }

  .chmod-tool .perm-check-visual {
    width: 34px;
    height: 34px;
    font-size: 0.78rem;
  }

  .chmod-tool .role-octal {
    width: 30px;
    height: 30px;
    font-size: 0.95rem;
  }

  .chmod-tool .results-row {
    grid-template-columns: 1fr;
  }

  .chmod-tool .presets-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .chmod-tool .preset-btn {
    padding: 10px 6px;
    min-height: 50px;
  }

  .chmod-tool .preset-value {
    font-size: 0.9rem;
  }

  .chmod-tool .preset-desc {
    font-size: 0.62rem;
  }

  .chmod-tool .chmod-table {
    font-size: 0.8rem;
  }

  .chmod-tool .chmod-table th,
  .chmod-tool .chmod-table td {
    padding: 10px 6px;
  }

  .chmod-tool .faq-section {
    padding: 20px;
  }

  .chmod-tool .guide-article {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .chmod-tool .grid-header {
    grid-template-columns: 64px repeat(3, 1fr) 42px;
  }

  .chmod-tool .grid-row {
    grid-template-columns: 64px repeat(3, 1fr) 42px;
  }

  .chmod-tool .grid-label {
    padding: 0 6px;
  }

  .chmod-tool .role-name {
    font-size: 0.72rem;
  }

  .chmod-tool .perm-check-visual {
    width: 30px;
    height: 30px;
    font-size: 0.72rem;
    border-radius: 6px;
  }

  .chmod-tool .role-octal {
    width: 28px;
    height: 28px;
    font-size: 0.88rem;
    border-radius: 6px;
  }

  .chmod-tool .presets-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chmod-tool .octal-input-row {
    padding: 8px 12px;
  }

  .chmod-tool .octal-prefix {
    font-size: 0.95rem;
  }

  .chmod-tool .octal-input-row input {
    font-size: 1.1rem;
  }

  .chmod-tool .octal-filename {
    font-size: 0.82rem;
  }
}