/*
 * One Prompt – black & white theme
 */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;
  --color-border: #e0e0e0;
  --color-text: #111111;
  --color-text-muted: #555555;
  --color-link: #111111;
  --color-link-hover: #333333;
  --color-button-bg: #111111;
  --color-button-text: #ffffff;
  --color-button-hover: #333333;
  --color-notice-bg: #f0f0f0;
  --color-notice-border: #111111;
  --color-alert-bg: #f5f5f5;
  --color-alert-border: #111111;
  --color-error-bg: #fafafa;
  --color-error-border: #333333;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & nav */
.page-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 50;
}

/* Spacer to prevent content from being hidden behind fixed header */
body {
  padding-top: 73px;
  /* approximate height of header */
}

.page-header__nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.page-header__left {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 1rem;
}

.page-header__right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 1rem;
  margin-left: auto;
}

.page-header__sep {
  color: var(--color-text-muted);
  margin: 0 0.25rem;
  user-select: none;
  font-weight: 400;
}

.page-header__link {
  color: var(--color-link);
  text-decoration: none;
  font-weight: 500;
}

.page-header__link:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

.page-header__user {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.page-header__inline-form {
  display: inline;
}

.page-header__btn-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--color-link);
  cursor: pointer;
  font-weight: 500;
}

.page-header__btn-link:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* Locale switcher – pill style */
.page-header__locale {
  display: flex;
  align-items: center;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 2px;
  box-shadow: var(--shadow);
}

.page-header__locale-btn {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text-muted);
  border-radius: 999px;
  transition: color 0.15s ease, background 0.15s ease;
}

.page-header__locale-btn:hover {
  color: var(--color-text);
}

.page-header__locale-btn--active {
  background: var(--color-button-bg);
  color: var(--color-button-text);
}

.page-header__locale-btn--active:hover {
  color: var(--color-button-text);
  background: var(--color-button-hover);
}

/* Flash messages */
.flash {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
  padding-top: 1rem;
}

.flash .notice,
.flash .alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-notice-border);
  margin-bottom: 0.5rem;
}

.flash .notice {
  background: var(--color-notice-bg);
  color: var(--color-text);
}

.flash .alert {
  background: var(--color-alert-bg);
  color: var(--color-text);
  border-color: var(--color-alert-border);
}

/* Main content */
.main {
  flex: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

/* Page-specific styles live in their own files: home.css, sign_in.css, sign_up.css, edit_account.css */




/* Pulsing dot animation */
.pulsing-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-button-bg);
  border-radius: 50%;
  margin-right: 8px;
  position: relative;
  vertical-align: middle;
}

.pulsing-dot::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-button-bg);
  border-radius: 50%;
  animation: pulse-dot 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-dot {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }

  100% {
    transform: scale(3);
    opacity: 0;
  }
}