@font-face {
  font-family: "Ravi";
  src: url("/fonts/Ravi-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Ravi";
  src: url("/fonts/Ravi-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-primary: #e67e22;
  --color-primary-light: #e49520;
  --color-complementary: #8fcb6f;
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #222222;
  --color-muted: #666666;
  --color-border: #e0e0e0;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --font-family-base: "Ravi", Arial, sans-serif;
}

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

html {
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  color: var(--color-text);
  direction: rtl;
  text-align: right;
  font-family: var(--font-family-base);
}

button,
input,
select {
  font: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

header {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

main {
  width: 100%;
  max-width: 660px;
  margin: var(--space-lg) auto;
  padding: 0 var(--space-sm);
  flex: 1;
}

section + section {
  margin-block-start: 2.8rem;
}

footer {
  padding: var(--space-sm);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#nav-branding {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

#datakar-logo {
  height: 2rem;
  width: auto;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
}

nav a {
  color: #444;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--color-primary);
}

.greeting-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
}

.greeting-header h1 {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.35;
}

#more-apps {
  flex: 0 0 auto;
  color: var(--color-muted);
  text-decoration: none;
}

#more-apps:hover,
#more-apps:focus-visible {
  color: var(--color-complementary);
  text-decoration: underline;
}

h2,
p {
  margin-top: 0;
}

.heading-with-bar {
  position: relative;
  margin-bottom: var(--space-sm);
  padding-right: 16px;
  font-size: 1.35rem;
  line-height: 1.4;
}

.heading-with-bar::before {
  content: "";
  position: absolute;
  right: 0;
  top: 25%;
  bottom: 25%;
  width: 5px;
  background: var(--color-complementary);
  border-radius: 2px;
}

form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-grid {
  display: grid;
  gap: var(--space-sm);
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.date-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-field {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 0.35rem;
}

label,
legend {
  font-weight: 400;
}

input,
select {
  width: 100%;
  min-height: 50px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
}



select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 0.75rem;
  padding-left: 2.8rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 20 20'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' fill='none' stroke='%23444' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 0.9rem center;
  background-size: 14px 14px;
}

input:focus,
select:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

input[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: #b42318;
  outline-color: #b42318;
}

.date-fieldset {
  margin: 0;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

.date-fieldset legend {
  padding-inline: 0.35rem;
  font-weight: 700;
}

.form-actions {
  display: flex;
  gap: var(--space-sm);
}

button {
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

#convert-button {
  flex: 1;
  background: var(--color-primary);
  color: #fff;
}

#convert-button:hover,
#convert-button:focus-visible {
  background: var(--color-primary-light);
}

#reset-button,
.secondary-button {
  flex: 1;
  background: #f2f2f2;
  color: #444;
}

#reset-button:hover,
#reset-button:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible {
  background: #e0e0e0;
}

.result-card {
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

#result-placeholder {
  margin: 0;
  color: var(--color-muted);
}

.result-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: 0.55rem;
}

.result-row + .result-row {
  border-top: 1px solid var(--color-border);
}

.result-row span {
  color: var(--color-muted);
}

.result-row strong {
  text-align: left;
}

#copy-button {
  width: 100%;
  margin-block-start: var(--space-sm);
}

#closing-note {
  color: var(--color-muted);
}

.language-hint-link {
  color: var(--color-primary);
  text-decoration: none;
}

.language-hint-link:hover,
.language-hint-link:focus-visible {
  text-decoration: underline;
}

#language-section {
  margin-block-start: 2.8rem;
  padding-block-start: var(--space-sm);
  border-top: 1px solid var(--color-border);
  scroll-margin-top: 1rem;
}

.language-section-inner {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-muted);
}

.language-label {
  font-weight: 700;
  color: var(--color-text);
}

.language-options {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.language-button {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font-weight: 400;
}

.language-button:hover,
.language-button:focus-visible,
.language-button.active {
  color: var(--color-primary);
}

.language-button.active {
  font-weight: 700;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (max-width: 600px) {
html {
    font-size: 17px;
    line-height: 1.7;
  }

  header {
    padding: 0.85rem 1rem;
  }

  nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  nav ul {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.35rem;
  }

  nav ul a {
    display: block;
    padding: 0.45rem 0.2rem;
    text-align: center;
    font-size: 0.9rem;
  }

  #datakar-logo {
    height: 2.15rem;
  }

  main {
    max-width: none;
    margin: 1.25rem auto 1.75rem;
    padding-inline: 1rem;
  }

  section + section {
    margin-block-start: 2rem;
  }

  .greeting-header h1 {
    font-size: 1.5rem;
  }

  .two-columns,
  .date-grid {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  button {
    width: 100%;
    min-height: 52px;
  }

  .language-button {
    width: auto;
    min-height: auto;
  }

  .result-row {
    flex-direction: column;
    gap: 0.2rem;
  }

  .result-row strong {
    text-align: right;
  }

  #language-section {
    margin-block-start: 2rem;
  }
}


.calendar-result {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-block: 0.75rem;
}

.calendar-result + .calendar-result,
.weekday-row {
  border-top: 1px solid var(--color-border);
}

.calendar-label {
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.primary-result .calendar-label {
  color: var(--color-primary);
}

.calendar-date {
  font-size: 1.15rem;
  line-height: 1.6;
}

.calendar-numeric {
  color: var(--color-muted);
  direction: ltr;
  text-align: right;
  font-family: Arial, sans-serif;
  font-size: 0.92rem;
}

.weekday-row {
  margin-top: 0;
}


.relative-row {
  border-top: 1px solid var(--color-border);
}


/* ========================
   Automatic system dark mode
======================== */

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;

    --color-primary: #f08a24;
    --color-primary-light: #f0a03a;
    --color-complementary: #9bd27d;
    --color-bg: #121212;
    --color-surface: #1c1c1c;
    --color-text: #f2f2f2;
    --color-muted: #b5b5b5;
    --color-border: #353535;
  }

  body {
    background: var(--color-bg);
    color: var(--color-text);
  }

  header {
    background: var(--color-surface);
    border-bottom-color: var(--color-border);
  }

  footer {
    color: var(--color-muted);
    border-top-color: var(--color-border);
  }

  nav a {
    color: #d8d8d8;
  }

  nav a:hover,
  nav a:focus-visible {
    color: var(--color-primary);
  }

  .intro,
  .description,
  .field-help,
  .form-label-muted,
  .helper-text,
  #result-placeholder,
  .calendar-label,
  .calendar-numeric,
  .language-section-inner,
  footer,
  small {
    color: var(--color-muted);
  }

  .converter-card,
  .result-card,
  .calendar-result,
  .card,
  .panel,
  .section {
    background: var(--color-surface);
    border-color: var(--color-border);
  }

  input,
  textarea,
  select {
    background-color: #181818;
    color: var(--color-text);
    border-color: var(--color-border);
  }

  input::placeholder,
  textarea::placeholder {
    color: #8e8e8e;
  }

  input:focus,
  textarea:focus,
  select:focus {
    border-color: var(--color-primary);
    outline-color: var(--color-primary);
  }

  /* Preserve the custom dropdown arrow and make it visible in dark mode. */
  select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 20 20'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' fill='none' stroke='%23d8d8d8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  }

  .primary-result .calendar-label {
    color: var(--color-primary);
  }

  .calendar-date,
  .result-row strong,
  .language-label {
    color: var(--color-text);
  }

  .calendar-result + .calendar-result,
  .weekday-row,
  .relative-row {
    border-top-color: var(--color-border);
  }

  #convert-button,
  .primary-button,
  button[type="submit"] {
    background: var(--color-primary);
    color: #ffffff;
  }

  #convert-button:hover,
  #convert-button:focus-visible,
  .primary-button:hover,
  .primary-button:focus-visible,
  button[type="submit"]:hover,
  button[type="submit"]:focus-visible {
    background: var(--color-primary-light);
  }

  #reset-button,
  #copy-button,
  .secondary-button {
    background: #2a2a2a;
    color: var(--color-text);
    border-color: #4a4a4a;
  }

  #reset-button:hover,
  #reset-button:focus-visible,
  #copy-button:hover,
  #copy-button:focus-visible,
  .secondary-button:hover,
  .secondary-button:focus-visible {
    background: #383838;
  }

  #language-section,
  .language-section {
    border-top-color: var(--color-border);
  }

  .language-button {
    background: transparent;
    color: var(--color-muted);
  }

  .language-button:hover,
  .language-button:focus-visible,
  .language-button.active,
  .language-button[aria-pressed="true"] {
    color: var(--color-primary);
  }

  .language-hint-link,
  a {
    color: var(--color-primary-light);
  }
}