/* ============================================================
   StackOne Design Tokens
   Source: stackone-branding SKILL.md + stackone-web-design-guidelines SKILL.md
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500&display=swap');

/* Stack Sans Text and Px Grotesk are self-hosted.
   Drop woff2 files into site/fonts/ and uncomment:

@font-face {
  font-family: "Stack Sans Text";
  src: url("fonts/StackSansText-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Px Grotesk";
  src: url("fonts/PxGrotesk-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
*/

:root {
  /* Brand */
  --so-primary: #00AF66;
  --so-green-dark: #047B43;
  --so-green-light: #76D6AE;

  /* Extended */
  --so-purple-dark: #4D4EBA;
  --so-purple-light: #B6B8FF;
  --so-orange-dark: #96580A;
  --so-orange-light: #CEA36C;
  --so-blue-dark: #0C58AE;
  --so-blue-light: #92B2FF;
  --so-red-dark: #C43E3E;
  --so-red-light: #FC6E6E;

  /* Text */
  --so-text-header: #222121;
  --so-text-body: #4C4B4B;
  --so-text-tag: #7A7A7A;

  /* Warm Neutrals */
  --so-neutral-40: #A19F9E;
  --so-neutral-30: #B6B4B3;
  --so-neutral-20: #CBC9C7;
  --so-neutral-15: #D5D4D2;
  --so-neutral-10: #E0DEDC;
  --so-neutral-5: #EBE9E7;

  /* Surfaces */
  --so-foreground: #F4F2F0;
  --so-background: #FEFEFD;
  --so-white: #FFFFFF;

  /* Typography */
  --so-font-heading: "Stack Sans Text", system-ui, sans-serif;
  --so-font-body: "Geist", system-ui, sans-serif;
  --so-font-tag: "Px Grotesk", Arial, sans-serif;
  --so-font-code: "SF Mono", ui-monospace, monospace;

  /* Shadows */
  --so-shadow-card: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
  --so-shadow-button: 0px 1px 0px 0px rgba(0, 0, 0, 0.15);

  /* Radius */
  --so-radius-sm: 4px;
  --so-radius: 8px;
  --so-radius-lg: 12px;
  --so-radius-xl: 20px;
}

/* ============================================================
   Reset & Base
   ============================================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--so-font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--so-text-body);
  background-color: var(--so-background);
}

a {
  color: var(--so-green-dark);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ============================================================
   Layout
   ============================================================ */

.container {
  max-width: 1400px;
  padding: 0 2rem;
  margin: 0 auto;
}

/* ============================================================
   Site Header
   ============================================================ */

.site-header {
  border-bottom: 1px solid var(--so-neutral-10);
  background: var(--so-white);
  padding: 0 2rem;
}

.site-header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--so-font-heading);
  font-size: 16px;
  font-weight: 400;
  color: var(--so-text-header);
  letter-spacing: -0.5px;
  text-decoration: none;
}

.site-logo:hover {
  text-decoration: none;
  color: var(--so-text-header);
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--so-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.site-header-meta {
  font-family: var(--so-font-tag);
  font-size: 13px;
  color: var(--so-text-tag);
}

/* ============================================================
   Page Content
   ============================================================ */

.page-main {
  padding: 48px 2rem 80px;
  max-width: 1400px;
  margin: 0 auto;
}

.page-heading {
  font-family: var(--so-font-heading);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -2px;
  color: var(--so-text-header);
  margin-bottom: 8px;
}

.page-subheading {
  font-size: 16px;
  color: var(--so-text-tag);
  margin-bottom: 40px;
}

/* ============================================================
   Digest Cards (Index Page)
   ============================================================ */

.digest-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.digest-card {
  background: var(--so-white);
  border: 1px solid var(--so-neutral-10);
  border-radius: var(--so-radius-lg);
  box-shadow: var(--so-shadow-card);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.digest-card:hover {
  border-color: var(--so-neutral-20);
  box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.08);
  text-decoration: none;
}

.digest-card-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.digest-card-icon {
  width: 36px;
  height: 36px;
  background: var(--so-foreground);
  border-radius: var(--so-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.digest-card-icon svg {
  width: 16px;
  height: 16px;
  color: var(--so-text-tag);
}

.digest-card-title {
  font-family: var(--so-font-heading);
  font-size: 16px;
  font-weight: 400;
  color: var(--so-text-header);
  letter-spacing: -0.5px;
  margin-bottom: 2px;
}

.digest-card-date {
  font-family: var(--so-font-tag);
  font-size: 13px;
  color: var(--so-text-tag);
}

.digest-card-arrow {
  color: var(--so-neutral-30);
  flex-shrink: 0;
  transition: color 0.15s, transform 0.15s;
}

.digest-card:hover .digest-card-arrow {
  color: var(--so-green-dark);
  transform: translateX(2px);
}

/* ============================================================
   Empty State
   ============================================================ */

.empty-state {
  padding: 64px 0;
  text-align: center;
  color: var(--so-text-tag);
}

.empty-state-heading {
  font-family: var(--so-font-heading);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -1px;
  color: var(--so-text-header);
  margin-bottom: 8px;
}

.empty-state-body {
  font-size: 15px;
  color: var(--so-text-tag);
}

/* ============================================================
   Report Page (branded wrapper around digest iframe)
   ============================================================ */

.report-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.report-bar {
  background: var(--so-white);
  border-bottom: 1px solid var(--so-neutral-10);
  padding: 0 2rem;
  flex-shrink: 0;
}

.report-bar-inner {
  height: 52px;
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
}

.back-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--so-font-tag);
  font-size: 13px;
  color: var(--so-text-tag);
  text-decoration: none;
  transition: color 0.15s;
}

.back-link:hover {
  color: var(--so-green-dark);
  text-decoration: none;
}

.report-bar-divider {
  width: 1px;
  height: 16px;
  background: var(--so-neutral-15);
  flex-shrink: 0;
}

.report-bar-title {
  font-family: var(--so-font-heading);
  font-size: 15px;
  font-weight: 400;
  color: var(--so-text-header);
  letter-spacing: -0.5px;
}

.report-bar-date {
  margin-left: auto;
  font-family: var(--so-font-tag);
  font-size: 13px;
  color: var(--so-text-tag);
}

.report-frame {
  flex: 1;
  width: 100%;
  border: none;
  display: block;
}