/* ==========================================================================
   Component Styles - Clean SaaS Teacher Workstation (Premium indicators.cl / contable.app)
   ========================================================================== */

/* Layout */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

@media (min-width: 960px) {
  .calc-layout {
    grid-template-columns: 1fr 420px;
    gap: 32px;
  }
  
  .calc-side {
    position: sticky;
    top: 86px;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
}

/* Calculator Form Card */
.calculator-card {
  background: var(--bg-surface);
  border-radius: 14px;
  border: 1.5px solid var(--border-main);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

@media (min-width: 768px) {
  .calculator-card {
    padding: 32px;
  }
}

/* Fieldset Section styling */
.form-section {
  border: none;
  padding: 0;
  margin: 0 0 28px 0;
}

.form-section:last-child {
  margin-bottom: 0;
}

.form-section legend {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
  width: 100%;
}

.form-section__number {
  width: 24px;
  height: 24px;
  background: var(--brand-accent-subtle);
  color: var(--brand-accent);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
}

/* Result Card with Premium Top Gradient Bar */
.result-card {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-main);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, #2563eb, #0d9488);
}

/* Inputs and Selects styling */
.form-input {
  width: 100%;
  height: 44px;
  padding: 8px 14px;
  font-size: 15px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-main);
  border-radius: 8px;
  color: var(--text-main);
  transition: all 0.15s ease;
}

.form-input:hover {
  border-color: #94a3b8;
}

.form-input:focus {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  outline: none;
}

.form-input-big {
  height: 52px;
  font-size: 17px;
  font-weight: 600;
}

/* Preset buttons / chips */
.chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.chip-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-main);
  border-radius: 9999px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip-btn:hover {
  background: var(--brand-accent-subtle);
  color: var(--brand-accent);
  border-color: var(--brand-accent);
}

/* Remove numeric input spinners */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}
input[type=number] { 
  -moz-appearance: textfield; 
  appearance: textfield; 
}

/* Range input styling */
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
}

input[type=range]:focus {
  outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: var(--bg-surface-alt);
  border-radius: 3px;
  border: 1px solid var(--border-main);
}

input[type=range]::-webkit-slider-thumb {
  height: 18px;
  width: 18px;
  border-radius: 50%;
  background: var(--brand-accent);
  border: 2px solid var(--bg-surface);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -7px;
  transition: background 0.15s ease, transform 0.1s ease;
}

input[type=range]::-webkit-slider-thumb:hover {
  background: var(--brand-accent-hover);
  transform: scale(1.08);
}

/* Table Active Highlights */
tr.is-active-search {
  background-color: rgba(37, 99, 235, 0.06) !important;
  border-left: 4px solid var(--brand-accent) !important;
}

[data-theme="dark"] tr.is-active-search {
  background-color: rgba(37, 99, 235, 0.12) !important;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Custom Scrollbar for Table */
.custom-scroll::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.custom-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.custom-scroll::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}
[data-theme="dark"] .custom-scroll::-webkit-scrollbar-thumb {
  background: #475569;
}