*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #3b82f6;
  --primary-glow: #3b82f6;
  --primary-light: #dbeafe;
  --primary-dark: #2563eb;
  --primary-rgb: 59 130 246;
  --primary-dark-rgb: 37 99 235;
  --chart-accent: #06b6d4;
  --chart-accent-dark: #0891b2;
  --chart-accent-rgb: 6 182 212;
  --chart-accent-dark-rgb: 8 145 178;
  --page-accent: #38bdf8;
  --page-accent-rgb: 56 189 248;
  --bg-gradient-start: color-mix(in srgb, var(--primary-light) 20%, #ffffff);
  --bg-gradient-mid: color-mix(
    in srgb,
    var(--primary-light) 13%,
    color-mix(in srgb, var(--page-accent, var(--primary)) 4%, #ffffff)
  );
  --bg-gradient-end: color-mix(in srgb, var(--page-accent, var(--primary)) 4%, #ffffff);
  --glass-bg: rgba(255, 255, 255, 0.42);
  /* Sticky header: opaque enough over scrolling content; tinted by theme (works for near-white primary-light e.g. brown) */
  --header-bg: color-mix(
    in srgb,
    color-mix(in srgb, var(--primary-light) 22%, #ffffff) 92%,
    transparent
  );
  --glass-border: rgba(255, 255, 255, 0.7);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.08);
  --blur-glass: 28px;
  --modal-overlay-bg: rgba(15, 23, 42, 0.4);
  --modal-overlay-blur: 16px;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --sidebar-width: 260px;
  --radius: 16px;
  --radius-sm: 12px;
  --select-arrow-size: 16px;
  --select-arrow-offset: 12px;
  --select-padding-end: 2.5rem;
  --field-font-size: 13px;
  --field-padding-y: 9px;
  --field-padding-x: 12px;
  --field-height: 38px;
  /* Named faces only — generic/system families in --font-en intercept Persian glyphs. */
  --font-en: 'Montserrat';
  --font-fa: 'IRANYekan', 'IranYekan';
  --font-ui: var(--font-en), var(--font-fa), -apple-system, BlinkMacSystemFont, 'Segoe UI', Tahoma,
    sans-serif;
}

html {
  min-height: 100%;
}

body,
#root {
  min-height: 100%;
}

body {
  font-family: var(--font-ui);
  color: var(--text-primary);
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(var(--primary-rgb) / 0.07) 0%, transparent 55%),
    radial-gradient(
      ellipse 70% 50% at 90% 100%,
      rgba(var(--page-accent-rgb, var(--primary-rgb)) / 0.06) 0%,
      transparent 50%
    ),
    linear-gradient(
      135deg,
      var(--bg-gradient-start) 0%,
      var(--bg-gradient-mid) 45%,
      var(--bg-gradient-end) 100%
    );
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Portaled dialogs sit on body; blur the app behind them. */
body:has([aria-modal='true']) #root {
  filter: blur(var(--modal-overlay-blur, 16px));
  pointer-events: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

a {
  text-decoration: none;
  color: inherit;
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  font-family: inherit;
  font-size: var(--field-font-size);
  line-height: 1.4;
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: var(--radius-sm);
  min-height: var(--field-height);
  padding: var(--field-padding-y) var(--select-padding-end) var(--field-padding-y) var(--field-padding-x);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--select-arrow-offset) center;
  background-size: var(--select-arrow-size);
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb) / 0.12);
}

input:not([type='checkbox']):not([type='radio']):not([type='file']):not([type='range']):not([type='hidden']),
textarea {
  font-family: var(--font-ui);
  font-size: var(--field-font-size);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

:where(input:not([type='checkbox']):not([type='radio']):not([type='file']):not([type='range']):not([type='hidden'])) {
  min-height: var(--field-height);
  padding: var(--field-padding-y) var(--field-padding-x);
  line-height: 1.4;
  box-sizing: border-box;
}

input:not([type='checkbox']):not([type='radio']):not([type='file']):not([type='range']):not([type='hidden']):focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb) / 0.12);
}

input:not([type='checkbox']):not([type='radio']):not([type='file']):not([type='range']):not([type='hidden'])::placeholder,
textarea::placeholder {
  font-family: var(--font-ui);
  opacity: 1;
}

[dir='rtl'],
:lang(fa),
.faText {
  font-family: var(--font-ui);
  font-weight: 400; /* IRANYekan Regular for FA glyphs */
  text-align: start;
}

[dir='rtl']::placeholder,
:lang(fa)::placeholder,
.faText::placeholder,
input.faText::placeholder,
input[dir='rtl']::placeholder,
input[lang='fa']::placeholder {
  font-family: var(--font-ui);
  font-weight: 400;
  opacity: 1;
}