/* Zakāt simulator — pedagogical UI */

:root {
  --ink: #1a2e24;
  --ink-soft: #3d5248;
  --muted: #5c7166;
  --paper: #f7faf6;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-border: rgba(26, 46, 36, 0.1);
  --accent: #1f6b4a;
  --accent-soft: #2d8a62;
  --gold: #b08d3a;
  --danger-soft: #8a4a3a;
  --ok: #1f6b4a;
  --shadow: 0 12px 40px rgba(26, 46, 36, 0.08);
  --radius: 14px;
  --font-display: "Fraunces", "Palatino Linotype", Palatino, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --max: 1100px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(176, 141, 58, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 45% at 95% 5%, rgba(31, 107, 74, 0.14), transparent 50%),
    linear-gradient(165deg, #e8f0ea 0%, #f7faf6 42%, #eef4ef 100%);
  background-attachment: fixed;
}

.page {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 2.5rem 0 3rem;
}

.hero {
  margin-bottom: 2.25rem;
  max-width: 36rem;
  animation: rise 0.7s ease-out both;
}

.brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 500;
  color: var(--ink-soft);
}

.lede {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.disclaimer {
  margin: 0;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  color: var(--muted);
  border-left: 3px solid var(--gold);
  background: rgba(255, 255, 255, 0.45);
}

.layout {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 880px) {
  .layout {
    grid-template-columns: 1fr minmax(260px, 320px);
  }

  .result {
    position: sticky;
    top: 1.25rem;
    animation: rise 0.7s ease-out 0.12s both;
  }
}

.main-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  animation: rise 0.7s ease-out 0.06s both;
}

.panel {
  padding: 1.35rem 1.4rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.panel h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
}

.hint {
  margin: -0.35rem 0 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.nisab-choice {
  margin: 0 0 1rem;
  padding: 0;
  border: none;
}

.nisab-choice legend {
  padding: 0;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.radio {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-right: 1.25rem;
  margin-bottom: 0.35rem;
  cursor: pointer;
}

.fields {
  display: grid;
  gap: 0.9rem;
}

.fields--2 {
  grid-template-columns: 1fr;
}

@media (min-width: 520px) {
  .fields--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.fields-years {
  display: grid;
  gap: 1.35rem;
}

@media (min-width: 640px) {
  .fields-years {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

.year-block h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
}

input[type="number"] {
  width: 100%;
  padding: 0.55rem 0.7rem;
  font: inherit;
  font-weight: 400;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(26, 46, 36, 0.18);
  border-radius: 8px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="number"]:focus {
  outline: none;
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 3px rgba(31, 107, 74, 0.18);
}

input[type="radio"],
input[type="checkbox"] {
  accent-color: var(--accent);
  width: 1.05rem;
  height: 1.05rem;
}

.nisab-display {
  margin: 1rem 0 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.nisab-display strong {
  color: var(--accent);
  font-weight: 600;
}

.actions {
  display: flex;
  justify-content: flex-start;
}

.btn-reset {
  padding: 0.55rem 1.1rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent);
  background: transparent;
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-reset:hover {
  color: #fff;
  background: var(--accent);
}

.btn-reset:focus-visible {
  outline: 3px solid rgba(31, 107, 74, 0.35);
  outline-offset: 2px;
}

.result-grid {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.result-grid > div {
  display: grid;
  gap: 0.15rem;
}

.result-grid dt {
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.result-grid dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

.status.due {
  color: var(--ok);
}

.status.not-due {
  color: var(--danger-soft);
}

.zakat-amount {
  margin: 1.35rem 0 0;
  padding-top: 1.15rem;
  border-top: 1px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.zakat-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.zakat-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.15rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.15;
  transition: transform 0.25s ease;
}

.zakat-value.pulse {
  transform: scale(1.03);
}

.footer {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer p {
  margin: 0;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}