/* ==========================================================================
   Mero Tool Unified Calculator Stylesheet
   ========================================================================== */

/* Tool Hero Banner */
.tool-hero {
  background: linear-gradient(135deg, #1a2a4a 0%, #2c3e50 50%, #2f5c8b 100%);
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.tool-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 25%, rgba(46, 204, 113, 0.16), transparent 30%),
    radial-gradient(circle at 75% 30%, rgba(155, 89, 182, 0.16), transparent 32%),
    radial-gradient(circle at 45% 80%, rgba(52, 152, 219, 0.16), transparent 34%);
}
.tool-hero .container { position: relative; z-index: 1; }
.tool-hero h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  line-height: 1.2;
}
.tool-hero h1 span { color: #7fd3ff; }
.tool-hero p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.15rem;
  max-width: 720px;
  margin: 0 auto 28px;
}
.hero-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-badge {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.hero-badge i { margin-right: 6px; color: #7fd3ff; }

/* Calculator Section Layout */
.calculator-section { padding: 50px 0; }
.calculator-layout, .calculator-container {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  margin-top: 20px;
}
.calculator-layout .control-card,
.calculator-layout .calculator-form,
.calculator-container .calculator-form {
  flex: 0 0 380px;
  width: 380px;
}
.calculator-layout .result-card,
.calculator-layout .calculator-results,
.calculator-container .calculator-results {
  flex: 1;
  min-width: 0;
}
.control-card,
.result-card,
.calculator-form,
.calculator-results {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}
.control-card h2,
.result-card h2,
.calculator-form h2,
.calculator-results h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.control-card h2 i, .calculator-form h2 i { color: var(--primary); }
.result-card h2 i, .calculator-results h2 i { color: var(--success); }

/* Inputs and Forms */
.form-group { margin-bottom: 20px; }
.form-group label, .form-label {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}
.input-wrap { position: relative; }
.input, .form-control {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #e8ecf0;
  border-radius: var(--radius);
  font-size: 1.1rem;
  background: #fafbfc;
  color: var(--dark);
  outline: none;
  transition: var(--transition);
  font-family: var(--font-body);
}
.input.has-suffix { padding-right: 56px; }
.input-wrap .suffix {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray);
  font-weight: 700;
  font-size: 1rem;
  pointer-events: none;
}
.input-wrap .prefix {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray);
  font-weight: 700;
  font-size: 1.1rem;
  pointer-events: none;
}
.input:focus, .form-control:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
}
.currency-input { padding-left: 40px; }

/* Radio Groups */
.radio-group { display: flex; gap: 20px; margin-top: 10px; }
.radio-option { display: flex; align-items: center; gap: 8px; }

/* Tool Buttons & Actions */
.btn-soft {
  background: #eef4fa;
  color: var(--dark);
}
.btn-soft:hover {
  background: #e2ebf4;
}
.action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}

/* Results Formatting */
.result-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.stat-pill {
  padding: 8px 16px;
  border-radius: 999px;
  background: #eef5fb;
  color: var(--dark);
  font-size: 0.88rem;
  font-weight: 700;
  border: 1px solid #dce8f4;
}
.summary-card {
  min-height: 220px;
  border: 2px dashed #d7e4ee;
  border-radius: 16px;
  background: linear-gradient(180deg, #fbfdff 0%, #f4f8fb 100%);
  padding: 24px;
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
}
.summary-hero {
  background: linear-gradient(135deg, #eef6ff 0%, #f7fbff 100%);
  border: 1px solid #d8e8f8;
  border-radius: 16px;
  padding: 22px;
  text-align: center;
}
.summary-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}
.summary-value {
  font-size: 2.6rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--dark);
  line-height: 1.1;
}
.category-badge {
  display: inline-block;
  margin-top: 10px;
  padding: 6px 14px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.result-list { display: grid; gap: 12px; }
.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid #e6edf3;
  border-radius: 12px;
}
.result-row span { font-size: 0.95rem; color: var(--gray); font-weight: 600; }
.result-row strong { font-family: var(--font-heading); font-size: 1.1rem; color: var(--dark); }
.result-row.total { background: #f4f8ff; border-color: #cfe2f6; }
.result-row.total span { color: var(--primary-dark); }
.result-row.total strong { color: var(--primary-dark); font-size: 1.3rem; }

/* Steppers */
.people-stepper {
  display: flex;
  align-items: center;
  border: 2px solid #e8ecf0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fafbfc;
}
.people-stepper button {
  width: 54px;
  height: 54px;
  border: none;
  background: #eef4fa;
  color: var(--primary-dark);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}
.people-stepper button:hover { background: #e2ebf4; }
.people-stepper input {
  flex: 1;
  border: none;
  background: transparent;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--font-heading);
  outline: none;
  color: var(--dark);
}

/* Preset Buttons */
.preset-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.preset-btn {
  border: none;
  background: #eff4f9;
  color: var(--dark);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  transition: var(--transition);
  font-size: 0.85rem;
}
.preset-btn:hover { background: #dfeaf5; transform: scale(1.05); }

/* Copy Area */
.copy-area {
  margin-top: 20px;
  background: #f8fbfd;
  border: 1px solid #e6edf3;
  border-radius: 14px;
  padding: 18px;
}
.copy-output {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9rem;
  color: #35546b;
  line-height: 1.6;
}

/* About Tool Content Section */
.about-tool {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  margin: 60px 0;
  box-shadow: var(--shadow);
}
.about-tool h2 {
  font-size: 2.2rem;
  margin-bottom: 24px;
  color: var(--dark);
  font-family: var(--font-heading);
  border-bottom: 3px solid var(--primary);
  display: inline-block;
  padding-bottom: 8px;
}
.about-tool h3 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
  color: var(--dark);
  font-family: var(--font-heading);
  display: flex;
  align-items: center;
  gap: 12px;
}
.about-tool h3 i { color: var(--primary); font-size: 1.2rem; }
.about-tool p { margin-bottom: 18px; font-size: 1.05rem; line-height: 1.8; color: #4a5568; }
.about-tool ul, .about-tool ol { margin-bottom: 24px; padding-left: 24px; }
.about-tool li { margin-bottom: 12px; font-size: 1rem; color: #4a5568; }
.about-tool strong { color: var(--dark); }

/* Info Grid cards inside content */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin: 32px 0;
}
.info-card {
  background: #f7fbff;
  border-radius: 14px;
  padding: 24px;
  border-left: 5px solid var(--primary);
  transition: var(--transition);
}
.info-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.info-card h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--primary-dark);
}

/* Tables inside content */
.table-container {
  overflow-x: auto;
  margin: 32px 0;
  border-radius: 14px;
  box-shadow: var(--shadow);
}
table { width: 100%; border-collapse: collapse; background: #fff; }
th {
  background: var(--dark);
  color: #fff;
  padding: 18px;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
}
td { padding: 16px 18px; border-bottom: 1px solid #edf2f7; color: #4a5568; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

/* How to Use Steps */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 40px;
  counter-reset: step;
}
.howto-step {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px 24px;
  border: 1px solid #e2e8f0;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.howto-step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.howto-step::before {
  content: counter(step);
  counter-increment: step;
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-heading);
  box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}
.howto-icon {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 16px;
  display: block;
}
.howto-step h3 { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 10px; color: var(--dark); }
.howto-step p { font-size: 0.92rem; color: var(--gray); line-height: 1.6; }

/* Benefits Grid */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.benefit-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--primary);
}
.benefit-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.benefit-card:nth-child(2) { border-top-color: var(--secondary); }
.benefit-card:nth-child(3) { border-top-color: var(--accent); }
.benefit-icon { font-size: 2.4rem; color: var(--primary); margin-bottom: 20px; display: block; }
.benefit-card:nth-child(2) .benefit-icon { color: var(--secondary); }
.benefit-card:nth-child(3) .benefit-icon { color: var(--accent); }

/* FAQ Accordion */
.faq-section { margin-top: 40px; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid #edf2f7;
}
.faq-question {
  padding: 20px 24px;
  background: #f8fafc;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  color: var(--dark);
}
.faq-question:hover { background: #f1f5f9; color: var(--primary); }
.faq-item.active .faq-question { background: var(--primary); color: #fff; }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease;
  background: #fff;
}
.faq-item.active .faq-answer {
  padding: 24px;
  max-height: 500px;
  border-top: 1px solid #edf2f7;
}

/* ==========================================================================
   Tool-Specific Components (Merged to avoid single page stylesheet bloat)
   ========================================================================== */

/* BMI Gauge Specifics */
.gauge-panel {
  background: #f8fbfd;
  border: 1px solid #e6edf3;
  border-radius: 14px;
  padding: 18px;
  margin-top: 10px;
}
.gauge-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}
.bmi-gauge-bar {
  height: 12px;
  border-radius: 99px;
  display: flex;
  position: relative;
  background: #eff4f9;
  margin-bottom: 6px;
}
.gauge-segment { height: 100%; position: relative; }
.gauge-segment.underweight { background: #f1c40f; border-top-left-radius: 99px; border-bottom-left-radius: 99px; }
.gauge-segment.normal      { background: #2ecc71; }
.gauge-segment.overweight  { background: #e67e22; }
.gauge-segment.obese       { background: #e74c3c; border-top-right-radius: 99px; border-bottom-right-radius: 99px; }
.gauge-pointer {
  position: absolute;
  top: -24px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: left 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  z-index: 10;
}
.pointer-bubble {
  background: var(--dark);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
}
.pointer-arrow {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--dark);
  margin-top: -1px;
}
.gauge-labels {
  display: flex;
  justify-content: space-between;
  padding: 0 4px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gray);
  margin-top: 8px;
}

/* EMI Specifics */
.payment-schedule {
  margin-top: 40px;
  background: white;
  padding: 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.table-responsive {
  overflow-x: auto;
  margin-top: 20px;
}
.month-details { display: none; }
.month-row td:first-child {
  padding-left: 50px;
  position: relative;
}
.month-row td:first-child::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 50%;
  width: 10px;
  height: 1px;
  background-color: #dee2e6;
}
.bi-plus-circle, .bi-dash-circle {
  margin-right: 10px;
  transition: var(--transition);
}
.year-row:hover .bi { transform: scale(1.1); }
.principal-th { color: var(--primary); }
.interest-th { color: var(--danger); }
.total-th { color: var(--dark); }
.balance-th { color: var(--secondary); }

/* Rent Split specific bubbles */
.split-panel {
  background: #f8fbfd;
  border: 1px solid #e6edf3;
  border-radius: 14px;
  padding: 18px;
  margin-top: 10px;
}
.split-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.split-bubbles { display: flex; flex-wrap: wrap; gap: 10px; }
.bubble {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow);
  animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* ==========================================================================
   Responsive overrides for calculators
   ========================================================================== */
@media (max-width: 992px) {
  .calculator-layout, .calculator-container { flex-direction: column; }
  .calculator-layout .control-card,
  .calculator-layout .calculator-form,
  .calculator-container .calculator-form,
  .calculator-layout .result-card,
  .calculator-layout .calculator-results,
  .calculator-container .calculator-results { flex: unset; width: 100%; }
  .howto-steps { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .tool-hero { padding: 60px 0 40px; }
  .tool-hero h1 { font-size: 2rem; }
  .tool-hero p { font-size: 1rem; }
  .hero-badges { gap: 8px; }
  .calculator-section { padding: 30px 0; }
  .control-card, .result-card, .calculator-form, .calculator-results { padding: 24px 20px; }
  .howto-steps { grid-template-columns: 1fr; gap: 40px; margin-top: 30px; }
  .about-tool { padding: 28px 18px; }
  .about-tool h2 { font-size: 1.6rem; }
  .benefits-grid { grid-template-columns: 1fr; }
  .faq-question { font-size: 0.95rem; }
}

@media (max-width: 480px) {
  .tool-hero h1 { font-size: 1.65rem; }
  .action-row { grid-template-columns: 1fr; }
  .result-toolbar { flex-direction: column; align-items: flex-start; gap: 8px; }
}