/* ==========================================================================
   Calculator — Freelance Income Calculator page
   ========================================================================== */

/* ---- Hero ---- */
.calc-hero {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.calc-hero__title {
  font-family: var(--font-display);
  font-weight: var(--fw-extrabold);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.calc-hero__subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ---- How It Works — Step Cards ---- */
.calc-steps__heading {
  font-family: var(--font-display);
  font-weight: var(--fw-extrabold);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: var(--color-text);
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.calc-steps {
  display: grid;
  gap: var(--space-lg);
  padding-bottom: var(--space-3xl);
}

.calc-step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
}

.calc-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-weight: var(--fw-bold);
  font-size: 16px;
  margin-bottom: var(--space-md);
}

.calc-step__title {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.calc-step__desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ---- Calculator Form ---- */
.calc-form {
  max-width: 700px;
  margin: 0 auto;
  padding-bottom: var(--space-3xl);
}

.calc-form__fields {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.calc-form__income-wrapper {
  position: relative;
}

.calc-form__prefix {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 15px;
  pointer-events: none;
}

.calc-form__income-wrapper .form__input {
  padding-left: 28px;
  padding-right: 44px;
}

.calc-form__spin-wrapper {
  position: relative;
}

.calc-form__spin-wrapper .form__input {
  padding-right: 44px;
}

.calc-form__spinners {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.calc-form__spin {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 18px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.calc-form__spin:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.calc-form__spin:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 1px;
}

.calc-form__submit {
  width: 100%;
  justify-content: center;
  font-size: 16px;
  padding: 15px 28px;
}

/* ---- Results ---- */
.calc-results {
  max-width: 700px;
  margin: 0 auto;
  padding-bottom: var(--space-3xl);
}

.calc-results__heading {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: var(--space-xl);
}

.calc-results[hidden] {
  display: none;
}

.calc-results__grid {
  display: grid;
  gap: var(--space-lg);
}

/* Result card */
.calc-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
}

.calc-card__title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

/* Breakdown table */
.calc-breakdown {
  width: 100%;
  border-collapse: collapse;
}

.calc-breakdown th,
.calc-breakdown td {
  padding: var(--space-sm) 0;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
}

.calc-breakdown th {
  text-align: left;
  color: var(--color-text-secondary);
  font-weight: var(--fw-regular);
  font-family: var(--font-display);
}

.calc-breakdown td {
  text-align: right;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-weight: var(--fw-semibold);
}

.calc-breakdown tr:last-child th,
.calc-breakdown tr:last-child td {
  border-bottom: none;
}

/* Stat highlight */
.calc-stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.calc-stat__value {
  font-family: var(--font-display);
  font-weight: var(--fw-extrabold);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-green);
  letter-spacing: -0.03em;
  line-height: 1;
}

.calc-stat__value--cyan {
  color: var(--color-cyan);
}

.calc-stat__label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

/* Clients table — vertical 2-column layout */
.calc-clients {
  width: 100%;
  border-collapse: collapse;
}

.calc-clients th,
.calc-clients td {
  padding: var(--space-sm) 0;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
}

.calc-clients th {
  text-align: left;
  color: var(--color-text-secondary);
  font-weight: var(--fw-regular);
  font-family: var(--font-display);
}

.calc-clients td {
  text-align: right;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-weight: var(--fw-semibold);
}

.calc-clients tr:last-child th,
.calc-clients tr:last-child td {
  border-bottom: none;
}

/* Fade-in animation */
.calc-results--visible {
  animation: calcFadeIn 0.4s ease;
}

@keyframes calcFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .calc-results--visible {
    animation: none;
  }
}

/* ---- Responsive ---- */

@media (min-width: 768px) {
  .calc-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .calc-form__fields {
    grid-template-columns: 1fr 1fr;
  }

  .calc-form__fields .form__group:first-child {
    grid-column: 1 / -1;
  }

  .calc-results__grid {
    grid-template-columns: 1fr 1fr;
  }

  .calc-results__grid .calc-card--full {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .calc-hero {
    padding: var(--space-3xl) 0 var(--space-3xl);
  }
}