* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--color-text);
  background:
    radial-gradient(circle at top, var(--color-bg-accent), var(--color-bg))
      fixed,
    linear-gradient(120deg, rgba(15, 109, 95, 0.06), transparent 55%),
    repeating-linear-gradient(
      135deg,
      rgba(15, 25, 19, 0.035),
      rgba(15, 25, 19, 0.035) 8px,
      transparent 8px,
      transparent 16px
    );
}

.app {
  min-height: 100vh;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-5) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-family: var(--font-display);
}

.lang-toggle {
  display: inline-flex;
  gap: var(--space-2);
  padding: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
}

.lang-btn {
  border: none;
  background: transparent;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-muted);
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}

.status {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-2);
  padding: var(--space-4);
  box-shadow: var(--shadow-soft);
}

.status h2 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
}

.status p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.status.error {
  border-color: rgba(176, 70, 60, 0.3);
  background: #fff7f5;
}

.filter-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-row label {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.filter-row select {
  width: 100%;
  padding: var(--space-3);
  border-radius: var(--radius-1);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-md);
}

.card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--color-card-grad-start), var(--color-card-grad-end));
  border-radius: 20px;
  padding: clamp(20px, 4vw, 36px);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  min-height: clamp(220px, 36vw, 320px);
  display: flex;
  align-items: stretch;
  justify-content: center;
  text-align: center;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 10%, var(--color-card-accent), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(15, 109, 95, 0.12), transparent 50%);
  opacity: 0.7;
  pointer-events: none;
}

.card-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  z-index: 1;
}

#reminderText {
  margin: 0;
  font-size: clamp(18px, 4vw, 26px);
  line-height: 1.65;
  font-family: var(--font-display);
}

.card-details {
  border-top: 1px dashed rgba(0, 0, 0, 0.12);
  padding-top: var(--space-4);
  display: grid;
  gap: var(--space-3);
  text-align: start;
  color: var(--color-muted);
  font-size: var(--text-sm);
  background: rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-1);
  padding: var(--space-4);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.card-meta {
  display: grid;
  gap: var(--space-2);
}

.card-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
}


.card-desc {
  margin: 0;
  color: var(--color-text);
  line-height: 1.6;
  text-align: start;
  direction: inherit;
  font-size: var(--text-sm);
  opacity: 0.88;
}

.ref-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
  justify-items: start;
  text-align: start;
  direction: inherit;
}

.ref-list li {
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  font-size: var(--text-sm);
  color: var(--color-text);
  opacity: 0.92;
  text-align: start;
  direction: inherit;
  unicode-bidi: plaintext;
}

.ref-list li.ref-ayah {
  font-family: var(--font-ayah);
  font-weight: 400;
  font-size: calc(var(--text-md) + 6px);
  line-height: 1.85;
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-1);
  font-size: var(--text-md);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
}

.btn:hover {
  border-color: var(--color-accent);
}

.btn.primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  border-color: transparent;
  box-shadow: 0 14px 24px rgba(15, 109, 95, 0.28);
}

.btn.primary:hover {
  filter: brightness(0.96);
}

.meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

footer {
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-align: center;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-6);
  transform: translateX(-50%);
  background: var(--color-text);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-soft);
  z-index: 100;
}

.diagnostics {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-2);
  padding: var(--space-4);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.diag-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diag-header h2 {
  margin: 0;
  font-size: var(--text-lg);
}

.diag-list,
.diag-results {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.diag-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
}

.diag-results .pass {
  color: #1b6b4f;
}

.diag-results .fail {
  color: var(--color-danger);
}

html[dir="rtl"] .topbar {
  flex-direction: row-reverse;
}

html[dir="rtl"] .brand {
  order: 2;
  text-align: right;
}

html[dir="rtl"] .lang-toggle {
  order: 1;
}

html[dir="rtl"] body {
  font-family: var(--font-ar);
}

html[dir="rtl"] .status,
html[dir="rtl"] .diagnostics,
html[dir="rtl"] .filter-row,
html[dir="rtl"] .meta,
html[dir="rtl"] footer {
  text-align: right;
}

html[dir="rtl"] .card-details,
html[dir="rtl"] .card-details .ref-list,
html[dir="rtl"] .card-details .ref-list li,
html[dir="rtl"] .card-details .card-desc {
  text-align: right;
  direction: rtl;
}

html[dir="rtl"] .actions {
  direction: rtl;
}

html[dir="rtl"] .brand,
html[dir="rtl"] #reminderText {
  font-family: var(--font-ar);
}

html[dir="rtl"] #reminderText {
  text-align: center;
  direction: rtl;
}

@media (min-width: 720px) {
  #reminderText {
    font-size: var(--text-xl);
  }
}