/* ============================================================
   Philippine Tax Calculator — Dedicated Stylesheet
   Compatible with WordPress + Tailwind CSS
   BIR TRAIN Law 2023 | SSS · PhilHealth · Pag-IBIG
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --ptc-gold:        #C8922A;
  --ptc-gold-light:  #E8B84B;
  --ptc-navy:        #0B1F3A;
  --ptc-navy-mid:    #122848;
  --ptc-cream:       #F9F4EE;
  --ptc-muted:       #8A9BB0;
  --ptc-border:      #DDE3EC;
  --ptc-bg-light:    #EEF1F6;
  --ptc-danger:      #C0392B;
  --ptc-success:     #27AE60;
  --ptc-radius:      0.75rem;
  --ptc-radius-lg:   1.25rem;
  --ptc-font-body:   'DM Sans', sans-serif;
  --ptc-font-display:'Playfair Display', serif;
}

/* ------------------------------------------------------------
   Wrapper
   ------------------------------------------------------------ */
.ptc-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
  font-family: var(--ptc-font-body);
  color: var(--ptc-navy);
}

/* ------------------------------------------------------------
   Header Band
   ------------------------------------------------------------ */
.ptc-header {
  background: var(--ptc-navy);
  padding: 2.5rem 2rem 2rem;
  border-radius: var(--ptc-radius-lg) var(--ptc-radius-lg) 0 0;
  position: relative;
  overflow: hidden;
}

.ptc-header::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,146,42,0.18) 0%, transparent 70%);
}

.ptc-header::after {
  content: '';
  position: absolute;
  bottom: -60px; left: 30%;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,146,42,0.10) 0%, transparent 70%);
}

/* Philippine flag stripe */
.ptc-flag {
  display: flex;
  gap: 6px;
  margin-bottom: 1.2rem;
}

.ptc-flag-blue,
.ptc-flag-red,
.ptc-flag-yellow {
  height: 5px;
  border-radius: 99px;
}

.ptc-flag-blue   { background: #0038A8; flex: 1; }
.ptc-flag-red    { background: #CE1126; flex: 1; }
.ptc-flag-yellow { background: #FCD116; width: 20px; flex: none; }

/* Badge */
.ptc-badge {
  display: inline-block;
  font-family: var(--ptc-font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ptc-gold-light);
  border: 1px solid rgba(200,146,42,0.4);
  border-radius: 99px;
  padding: 3px 12px;
  margin-bottom: 0.75rem;
}

/* Title */
.ptc-title {
  font-family: var(--ptc-font-display);
  color: #fff;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin: 0 0 0.4rem;
  line-height: 1.2;
}

/* Subtitle */
.ptc-subtitle {
  color: var(--ptc-muted);
  font-size: 0.85rem;
  margin: 0;
}

/* ------------------------------------------------------------
   Card Body
   ------------------------------------------------------------ */
.ptc-body {
  background: #fff;
  border-radius: 0 0 var(--ptc-radius-lg) var(--ptc-radius-lg);
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(11,31,58,0.10);
}

/* ------------------------------------------------------------
   Form Elements
   ------------------------------------------------------------ */
.ptc-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ptc-muted);
  margin-bottom: 0.4rem;
}

.ptc-field-group {
  margin-bottom: 1.25rem;
}

.ptc-peso-wrap {
  position: relative;
}

.ptc-peso-sign {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 600;
  color: var(--ptc-muted);
  font-size: 1rem;
  pointer-events: none;
  z-index: 1;
}

.ptc-input {
  width: 100%;
  border: 1.5px solid var(--ptc-border);
  border-radius: var(--ptc-radius);
  padding: 0.7rem 1rem;
  font-family: var(--ptc-font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ptc-navy);
  background: var(--ptc-cream);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
  box-sizing: border-box;
}

.ptc-input--peso {
  padding-left: 2rem;
}

.ptc-input:focus {
  border-color: var(--ptc-gold);
  box-shadow: 0 0 0 3px rgba(200,146,42,0.12);
}

/* Two-col row */
.ptc-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 540px) {
  .ptc-row-2 { grid-template-columns: 1fr; }
}

/* Divider */
.ptc-divider {
  border: none;
  border-top: 1.5px dashed var(--ptc-border);
  margin: 1.5rem 0;
}

/* ------------------------------------------------------------
   Toggle Button Group
   ------------------------------------------------------------ */
.ptc-toggle-group {
  display: flex;
  gap: 0.5rem;
}

.ptc-toggle-btn {
  flex: 1;
  padding: 0.55rem;
  border-radius: 0.5rem;
  border: 1.5px solid var(--ptc-border);
  background: var(--ptc-cream);
  font-family: var(--ptc-font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ptc-muted);
  cursor: pointer;
  transition: all 0.18s;
  text-align: center;
  line-height: 1.3;
}

.ptc-toggle-btn:hover {
  border-color: var(--ptc-navy);
  color: var(--ptc-navy);
}

.ptc-toggle-btn.ptc-active {
  background: var(--ptc-navy);
  color: var(--ptc-gold-light);
  border-color: var(--ptc-navy);
  font-weight: 600;
}

/* ------------------------------------------------------------
   Calculate Button
   ------------------------------------------------------------ */
.ptc-calc-btn {
  display: block;
  width: 100%;
  background: var(--ptc-navy);
  color: var(--ptc-gold-light);
  font-family: var(--ptc-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: none;
  border-radius: var(--ptc-radius);
  padding: 1rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  margin-top: 1.5rem;
}

.ptc-calc-btn:hover  { background: #1a3558; }
.ptc-calc-btn:active { transform: scale(0.985); }

/* ------------------------------------------------------------
   Results Panel
   ------------------------------------------------------------ */
.ptc-results {
  display: none;
  margin-top: 2rem;
}

.ptc-results.ptc-visible {
  display: block;
}

.ptc-results-heading {
  font-family: var(--ptc-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ptc-navy);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ptc-results-heading--sm {
  font-size: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 0;
}

/* Summary Card Grid */
.ptc-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 540px) {
  .ptc-result-grid { grid-template-columns: 1fr; }
}

/* Individual result cards */
.ptc-result-card {
  background: var(--ptc-cream);
  border-radius: var(--ptc-radius);
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--ptc-border);
}

.ptc-result-card--highlight {
  background: var(--ptc-navy);
  border-left-color: var(--ptc-gold);
  grid-column: 1 / -1;
}

.ptc-rc-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ptc-muted);
  margin-bottom: 0.25rem;
}

.ptc-result-card--highlight .ptc-rc-label {
  color: var(--ptc-gold-light);
  opacity: 0.7;
}

.ptc-rc-value {
  font-family: var(--ptc-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ptc-navy);
}

.ptc-result-card--highlight .ptc-rc-value {
  color: var(--ptc-gold-light);
  font-size: 1.8rem;
}

.ptc-rc-sub {
  font-size: 0.72rem;
  color: var(--ptc-muted);
  margin-top: 0.1rem;
}

.ptc-result-card--highlight .ptc-rc-sub {
  color: rgba(232,184,75,0.6);
}

.ptc-rc-value--danger  { color: var(--ptc-danger) !important; }
.ptc-rc-value--success { color: var(--ptc-success) !important; }

/* Tax bracket badge */
.ptc-bracket-badge {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ptc-gold);
  background: rgba(200,146,42,0.12);
  border-radius: 99px;
  padding: 2px 10px;
}

/* ------------------------------------------------------------
   Breakdown Table
   ------------------------------------------------------------ */
.ptc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-top: 1rem;
}

.ptc-table th {
  text-align: left;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ptc-muted);
  padding: 0.4rem 0.5rem;
  border-bottom: 1.5px solid var(--ptc-border);
}

.ptc-table th:last-child { text-align: right; }

.ptc-table td {
  padding: 0.55rem 0.5rem;
  color: var(--ptc-navy);
  border-bottom: 1px solid var(--ptc-bg-light);
}

.ptc-table td:last-child {
  text-align: right;
  font-weight: 600;
}

.ptc-table .ptc-td-basis {
  color: var(--ptc-muted);
  font-size: 0.8rem;
}

.ptc-table .ptc-td-deduct { color: var(--ptc-danger); }
.ptc-table .ptc-td-gross  { color: var(--ptc-navy); font-weight: 600; }

.ptc-table .ptc-tr-total td {
  font-weight: 700;
  font-size: 0.95rem;
  border-top: 2px solid var(--ptc-navy);
  border-bottom: none;
  color: var(--ptc-navy);
}

.ptc-table .ptc-tr-total td:last-child { color: var(--ptc-danger); }

.ptc-table .ptc-tr-net td {
  font-weight: 700;
  font-size: 1rem;
  color: var(--ptc-success);
  border-bottom: none;
}

.ptc-table .ptc-tr-net td:last-child { color: var(--ptc-success); }

/* ------------------------------------------------------------
   Disclaimer
   ------------------------------------------------------------ */
.ptc-disclaimer {
  font-size: 0.72rem;
  color: var(--ptc-muted);
  margin-top: 1.5rem;
  line-height: 1.6;
  border-top: 1px solid var(--ptc-bg-light);
  padding-top: 1rem;
}