/* ==========================================================
   PERCENTAGE CALCULATOR
   Extracted from calculator-tools.css (lines 2524-3343)
   ========================================================== */
/* ----------------------------------------------------------
   PERCENTAGE CALCULATOR — Tool-specific styles
   ---------------------------------------------------------- */

/* ===== MODE SELECTOR GRID ===== */
.ct-pct-modes {
  display              : grid;
  grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
  gap                  : 6px;
  margin-bottom        : var(--ct-sp-md);
}

.ct-pct-mode {
  display        : flex;
  flex-direction : column;
  align-items    : center;
  justify-content: center;
  gap            : 4px;
  padding        : 10px 4px 9px;
  background     : var(--ct-input-bg);
  border         : 2px solid var(--ct-input-border);
  border-radius  : var(--ct-r-md);
  cursor         : pointer;
  transition     : all .25s cubic-bezier(.4, 0, .2, 1);
  font-family    : var(--ct-font);
  user-select    : none;
  text-align     : center;
}

.ct-pct-mode:hover {
  border-color: var(--ct-primary-light);
  transform   : translateY(-2px);
  box-shadow  : 0 4px 12px rgba(99, 102, 241, .12);
}

.ct-pct-mode-active,
.ct-pct-mode-active:hover {
  border-color: var(--ct-primary) !important;
  background  : rgba(99, 102, 241, .06) !important;
  box-shadow  : 0 3px 12px var(--ct-primary-glow) !important;
  transform   : translateY(-2px) !important;
}

.ct-pct-mode-icon {
  display        : flex;
  align-items    : center;
  justify-content: center;
  width          : 32px;
  height         : 32px;
  border-radius  : 9px;
  background     : linear-gradient(135deg, var(--ct-primary), var(--ct-primary-hover));
  color          : #fff;
  font-size      : 18px;
  font-weight    : 800;
  line-height    : 1;
  flex-shrink    : 0;
}

.ct-pct-mode-active .ct-pct-mode-icon {
  background: linear-gradient(135deg, var(--ct-secondary), #be185d);
  box-shadow: 0 4px 12px rgba(236, 72, 153, .3);
}

.ct-pct-mode-label {
  font-size  : 11px;
  font-weight: 700;
  color      : var(--ct-text-secondary);
  line-height: 1.3;
}

.ct-pct-mode-active .ct-pct-mode-label {
  color: var(--ct-primary);
}

/* ===== MODE PANELS ===== */
.ct-pct-panel {
  display: none;
}

.ct-pct-panel-active {
  display  : block;
  animation: ctFadeUp .3s var(--ct-ease);
}

.ct-pct-panel-head {
  display      : flex;
  align-items  : center;
  gap          : 14px;
  padding      : 16px 20px;
  background   : linear-gradient(135deg, rgba(99,102,241,.06), rgba(236,72,153,.03));
  border       : 1px solid rgba(99, 102, 241, .1);
  border-radius: var(--ct-r-md);
  margin-bottom: var(--ct-sp-lg);
}

.ct-pct-panel-head strong {
  display    : block;
  font-size  : 16px;
  font-weight: 800;
  color      : var(--ct-text);
}

.ct-pct-panel-head small {
  display    : block;
  font-size  : 13px;
  font-weight: 500;
  color      : var(--ct-text-secondary);
  margin-top : 2px;
}

.ct-pct-panel-icon {
  display        : flex;
  align-items    : center;
  justify-content: center;
  width          : 44px;
  height         : 44px;
  border-radius  : 12px;
  background     : linear-gradient(135deg, var(--ct-primary), var(--ct-primary-hover));
  color          : #fff;
  font-size      : 20px;
  font-weight    : 800;
  flex-shrink    : 0;
  box-shadow     : 0 4px 12px var(--ct-primary-glow);
}

/* ===== SENTENCE-STYLE INPUT LAYOUT ===== */
.ct-pct-sentence {
  display        : flex;
  flex-wrap      : wrap;
  align-items    : center;
  gap            : 10px;
  padding        : 20px;
  background     : var(--ct-input-bg);
  border         : 2px solid var(--ct-input-border);
  border-radius  : var(--ct-r-lg);
  font-size      : 18px;
  font-weight    : 700;
  color          : var(--ct-text);
  line-height    : 1.5;
}

.ct-pct-inline-input {
  position: relative;
  display : inline-flex;
  align-items: center;
}

.ct-pct-inline-input .ct-input {
  width         : 110px;
  text-align    : center;
  font-size     : 20px !important;
  font-weight   : 800 !important;
  padding       : 10px 14px !important;
  border-radius : var(--ct-r-md) !important;
  background    : #fff !important;
  border        : 2px solid var(--ct-primary-light) !important;
  color         : var(--ct-primary) !important;
}

.ct-pct-inline-input .ct-input:focus {
  border-color: var(--ct-primary) !important;
  box-shadow  : 0 0 0 4px rgba(99, 102, 241, .15) !important;
}

.ct-pct-inline-wide .ct-input {
  width: 150px;
}

.ct-pct-inline-unit {
  position   : absolute;
  right      : 10px;
  top        : 50%;
  transform  : translateY(-50%);
  font-size  : 16px;
  font-weight: 800;
  color      : var(--ct-primary);
  pointer-events: none;
}

/* Fraction slash */
.ct-pct-frac-slash {
  font-size  : 32px;
  font-weight: 800;
  color      : var(--ct-primary);
  line-height: 1;
  margin     : 0 2px;
}

.ct-pct-frac-eq {
  font-size  : 20px;
  font-weight: 800;
  color      : var(--ct-text-muted);
  margin-left: 6px;
}

/* ===== MAIN ANSWER DISPLAY ===== */
.ct-pct-answer {
  text-align   : center;
  padding      : var(--ct-sp-xl) var(--ct-sp-lg);
  margin-bottom: var(--ct-sp-lg);
}

.ct-pct-answer:empty { display: none; }

.ct-pct-answer-label {
  display       : block;
  font-size     : 13px;
  font-weight   : 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color         : var(--ct-text-muted);
  margin-bottom : 8px;
}

.ct-pct-answer-value {
  display    : block;
  font-size  : 48px;
  font-weight: 900;
  line-height: 1.15;
  background : linear-gradient(135deg, var(--ct-primary), var(--ct-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip        : text;
}

.ct-pct-answer-sub {
  display    : block;
  font-size  : 16px;
  font-weight: 600;
  color      : var(--ct-text-secondary);
  margin-top : 6px;
}

/* ===== VISUAL PROGRESS ===== */
.ct-pct-visual {
  margin-bottom: var(--ct-sp-lg);
  padding      : 0 4px;
}

.ct-pct-visual[hidden] { display: none; }

.ct-pct-visual-labels {
  display        : flex;
  justify-content: space-between;
  font-size      : 12px;
  font-weight    : 700;
  color          : var(--ct-text-muted);
  margin-bottom  : 6px;
}

.ct-pct-visual-labels span:nth-child(2) {
  color      : var(--ct-primary);
  font-size  : 13px;
  font-weight: 800;
}

/* ===== EQUATION DISPLAY ===== */
.ct-pct-equation {
  text-align    : center;
  padding       : 16px 20px;
  margin-top    : var(--ct-sp-md);
  background    : linear-gradient(135deg, rgba(99,102,241,.05), rgba(236,72,153,.03));
  border        : 1px solid rgba(99, 102, 241, .12);
  border-radius : var(--ct-r-md);
}

.ct-pct-equation:empty { display: none; }

.ct-pct-eq-label {
  display       : block;
  font-size     : 11px;
  font-weight   : 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color         : var(--ct-text-muted);
  margin-bottom : 6px;
}

.ct-pct-eq-text {
  display       : block;
  font-size     : 20px;
  font-weight   : 800;
  color         : var(--ct-primary);
  font-family   : 'Courier New', Consolas, monospace;
  letter-spacing: .5px;
  word-break    : break-all;
}

/* ===== RESPONSIVE FOR ALL PERCENTAGE MODES ===== */
@media (max-width: 768px) {
  .ct-pct-modes {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 6px;
  }

  .ct-pct-mode {
    padding: 12px 4px 10px;
  }

  .ct-pct-mode-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .ct-pct-mode-label {
    font-size: 10px;
  }

  .ct-pct-panel-head {
    padding: 12px 16px;
    gap: 10px;
  }

  .ct-pct-panel-head strong {
    font-size: 14px;
  }

  .ct-pct-panel-head small {
    font-size: 12px;
  }

  .ct-pct-panel-icon {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }

  .ct-pct-sentence {
    font-size: 16px;
    padding: 16px;
    gap: 8px;
  }

  .ct-pct-inline-input .ct-input {
    width: 90px !important;
    font-size: 18px !important;
    padding: 8px 12px !important;
  }

  .ct-pct-inline-wide .ct-input {
    width: 120px !important;
  }

  .ct-pct-inline-unit {
    font-size: 14px;
    right: 8px;
  }

  .ct-pct-frac-slash {
    font-size: 28px;
  }

  .ct-pct-frac-eq {
    font-size: 18px;
  }

  .ct-pct-answer {
    padding: var(--ct-sp-lg) var(--ct-sp-md);
  }

  .ct-pct-answer-value {
    font-size: 26px;
  }

  .ct-pct-answer-sub {
    font-size: 14px;
  }

  .ct-pct-equation {
    padding: 12px 16px;
  }

  .ct-pct-eq-text {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .ct-pct-modes {
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
  }

  .ct-pct-mode {
    padding: 10px 3px 8px;
  }

  .ct-pct-mode-icon {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .ct-pct-mode-label {
    font-size: 9px;
  }

  .ct-pct-panel-head {
    padding: 10px 12px;
    gap: 8px;
    flex-direction: column;
    text-align: center;
  }

  .ct-pct-panel-head strong {
    font-size: 13px;
  }

  .ct-pct-panel-head small {
    font-size: 11px;
  }

  .ct-pct-panel-icon {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }

  .ct-pct-sentence {
    font-size: 14px;
    padding: 12px;
    gap: 6px;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .ct-pct-inline-input {
    justify-content: center;
  }

  .ct-pct-inline-input .ct-input {
    width: 100% !important;
    max-width: 120px;
    font-size: 16px !important;
    padding: 8px 10px !important;
  }

  .ct-pct-inline-wide .ct-input {
    max-width: 140px;
  }

  .ct-pct-inline-unit {
    font-size: 12px;
    right: 6px;
  }

  .ct-pct-frac-slash {
    font-size: 24px;
  }

  .ct-pct-frac-eq {
    font-size: 16px;
  }

  .ct-pct-answer {
    padding: var(--ct-sp-md) var(--ct-sp-sm);
  }

  .ct-pct-answer-value {
    font-size: 24px;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .ct-pct-answer-sub {
    font-size: 13px;
  }

  .ct-pct-equation {
    padding: 10px 12px;
  }

  .ct-pct-eq-text {
    font-size: 16px;
    word-break: break-all;
  }

  .ct-pct-visual {
    padding: 0 2px;
  }

  .ct-pct-visual-labels {
    font-size: 11px;
  }

  .ct-pct-visual-labels span:nth-child(2) {
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .ct-pct-modes {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }

  .ct-pct-mode {
    padding: 8px 2px 6px;
  }

  .ct-pct-mode-icon {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .ct-pct-mode-label {
    font-size: 8px;
  }

  .ct-pct-sentence {
    font-size: 13px;
    padding: 10px;
  }

  .ct-pct-inline-input .ct-input {
    font-size: 14px !important;
    padding: 6px 8px !important;
  }

  .ct-pct-answer-value {
    font-size: 28px;
  }

  .ct-pct-eq-text {
    font-size: 14px;
  }
}

.ct-pct-ref-active td {
  color: var(--ct-primary) !important;
}

/* ===== PERCENTAGE CALCULATOR RESULT RESPONSIVE ===== */
.ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-2,
.ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-3,
.ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-4 {
  gap: var(--ct-sp-sm);
}

.ct-tool-section[data-tool="percentage"] .ct-result-card {
  min-width: 0;
  overflow: hidden;
  word-break: break-word;
  padding: var(--ct-sp-md) var(--ct-sp-sm);
}

.ct-tool-section[data-tool="percentage"] .ct-result-value {
  font-size: clamp(14px, 2.8vw, 20px);
  word-break: break-word;
  overflow-wrap: break-word;
  line-height: 1.2;
  max-width: 100%;
  padding: 0 2px;
}

.ct-tool-section[data-tool="percentage"] .ct-result-label {
  font-size: clamp(10px, 2vw, 12px);
  word-break: break-word;
}

.ct-tool-section[data-tool="percentage"] .ct-result-summary {
  font-size: clamp(13px, 2.5vw, 15px);
  word-break: break-word;
  overflow-wrap: break-word;
  line-height: 1.6;
  padding: var(--ct-sp-sm) var(--ct-sp-md);
}

.ct-tool-section[data-tool="percentage"] .ct-detail-box {
  padding: var(--ct-sp-md);
}

.ct-tool-section[data-tool="percentage"] .ct-detail-list {
  gap: var(--ct-sp-sm);
}

.ct-tool-section[data-tool="percentage"] .ct-detail-item {
  padding: var(--ct-sp-sm) var(--ct-sp-md);
  font-size: clamp(13px, 2vw, 14px);
}

.ct-tool-section[data-tool="percentage"] .ct-table {
  font-size: clamp(12px, 2vw, 14px);
}

.ct-tool-section[data-tool="percentage"] .ct-table th,
.ct-tool-section[data-tool="percentage"] .ct-table td {
  padding: 8px 10px;
}

/* ===== MOBILE STACK FOR PERCENTAGE RESULTS ===== */
@media (max-width: 768px) {
  .ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-2,
  .ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-3,
  .ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-4 {
    grid-template-columns: 1fr;
    gap: var(--ct-sp-sm);
  }

  .ct-tool-section[data-tool="percentage"] .ct-result-card {
    padding: var(--ct-sp-sm) var(--ct-sp-sm);
  }

  .ct-tool-section[data-tool="percentage"] .ct-result-value {
    font-size: 28px;
  }

  .ct-tool-section[data-tool="percentage"] .ct-result-summary {
    font-size: 14px;
    padding: var(--ct-sp-sm) var(--ct-sp-md);
  }

  .ct-tool-section[data-tool="percentage"] .ct-detail-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: var(--ct-sp-sm);
  }

  .ct-tool-section[data-tool="percentage"] .ct-detail-val {
    text-align: left;
    padding-left: 0;
  }
}

@media (max-width: 480px) {
  .ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-2,
  .ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-3,
  .ct-tool-section[data-tool="percentage"] .ct-result-grid.ct-cols-4 {
    grid-template-columns: 1fr;
    gap: var(--ct-sp-sm);
  }

  .ct-tool-section[data-tool="percentage"] .ct-result-card {
    padding: var(--ct-sp-sm) 6px;
  }

  .ct-tool-section[data-tool="percentage"] .ct-result-value {
    font-size: 24px;
  }

  .ct-tool-section[data-tool="percentage"] .ct-result-label {
    font-size: 10px;
  }

  .ct-tool-section[data-tool="percentage"] .ct-result-summary {
    font-size: 13px;
    padding: var(--ct-sp-sm);
    line-height: 1.5;
  }

  .ct-tool-section[data-tool="percentage"] .ct-detail-box {
    padding: var(--ct-sp-sm);
  }

  .ct-tool-section[data-tool="percentage"] .ct-detail-item {
    padding: var(--ct-sp-sm) 6px;
    font-size: 13px;
  }

  .ct-tool-section[data-tool="percentage"] .ct-table th,
  .ct-tool-section[data-tool="percentage"] .ct-table td {
    padding: 6px 8px;
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .ct-tool-section[data-tool="percentage"] .ct-result-value {
    font-size: 20px;
  }

  .ct-tool-section[data-tool="percentage"] .ct-result-summary {
    font-size: 12px;
  }

  .ct-tool-section[data-tool="percentage"] .ct-detail-item {
    font-size: 12px;
  }
}

/* ===== STEP-BY-STEP — step numbering ===== */
.ct-pct-step-num {
  display        : inline-flex;
  align-items    : center;
  justify-content: center;
  width          : 24px;
  height         : 24px;
  border-radius  : 50%;
  background     : var(--ct-primary);
  color          : #fff;
  font-size      : 12px;
  font-weight    : 800;
  flex-shrink    : 0;
  margin-right   : 4px;
}

/* Change direction indicator (up/down arrow) */
.ct-pct-dir-up {
  color: var(--ct-success) !important;
}

.ct-pct-dir-down {
  color: var(--ct-danger) !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .ct-pct-modes {
    grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
    gap: 6px;
  }

  .ct-pct-mode {
    padding: 10px 4px;
  }

  .ct-pct-mode-icon {
    width    : 34px;
    height   : 34px;
    font-size: 15px;
  }

  .ct-pct-mode-label {
    font-size: 10px;
  }

  .ct-pct-sentence {
    font-size: 15px;
    padding  : 14px;
    gap      : 8px;
  }

  .ct-pct-inline-input .ct-input {
    width    : 90px;
    font-size: 17px !important;
  }

  .ct-pct-inline-wide .ct-input {
    width: 120px;
  }

  .ct-pct-answer-value {
    font-size: 26px;
  }

  .ct-pct-panel-head {
    padding: 12px 14px;
    gap    : 10px;
  }

  .ct-pct-panel-icon {
    width    : 38px;
    height   : 38px;
    font-size: 17px;
  }
}

@media (max-width: 480px) {
  .ct-pct-modes {
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
  }

  .ct-pct-mode-icon {
    width    : 30px;
    height   : 30px;
    font-size: 13px;
    border-radius: 8px;
  }

  .ct-pct-mode-label {
    font-size: 9px;
  }

  .ct-pct-mode-label br {
    display: none;
  }

  .ct-pct-sentence {
    font-size: 14px;
    padding  : 12px;
    gap      : 6px;
  }

  .ct-pct-inline-input .ct-input {
    width    : 75px;
    font-size: 15px !important;
    padding  : 8px 10px !important;
  }

  .ct-pct-inline-wide .ct-input {
    width: 100px;
  }

  .ct-pct-frac-slash {
    font-size: 24px;
  }

  .ct-pct-answer-value {
    font-size: 22px;
  }

  .ct-pct-eq-text {
    font-size: 16px;
  }
}

@media (max-width: 360px) {
  .ct-pct-modes {
    grid-template-columns: repeat(3, 1fr);
  }

  .ct-pct-mode {
    padding: 8px 2px;
  }
}