/*
 * Reading Closely — student visual system
 * Aligned with the Four Questions student interface.
 * Presentation only: no RC PHP or JavaScript behavior is changed here.
 */

:root {
  --rc-border: #d8d4ca;
  --rc-muted: #657080;
  --rc-ink: #1d2430;
  --rc-paper: #f4f1e9;
  --rc-panel: #ffffff;
  --rc-primary: #27364d;
  --rc-primary-hover: #182338;
  --rc-soft: #f3f5f7;
  --rc-focus-ring: rgba(39, 54, 77, 0.16);
  --rc-shadow: 0 14px 36px rgba(26, 35, 49, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--rc-ink);
  font-family: Georgia, "Times New Roman", serif;
  background:
    linear-gradient(rgba(244, 241, 233, 0.94), rgba(244, 241, 233, 0.94)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 27px,
      rgba(39, 54, 77, 0.04) 28px
    );
}

button,
input,
select,
textarea {
  font: inherit;
}

/* ---------- Shared student shell ---------- */

.rc-task-viewport {
  min-height: 100vh;
  height: auto;
  overflow: visible;
  color: var(--rc-ink);
  background: transparent;
}

/* AssignmentPage still carries W3's fixed-position w3-top class. */
.w3-top.rc-task-viewport {
  position: static !important;
  width: auto !important;
  z-index: auto !important;
}

.rc-task-shell {
  display: block;
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 44px 0 36px;
}

.rc-task-masthead {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: initial;
  margin: 0 0 24px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  text-align: center;
}

.rc-brand-slot {
  display: flex;
  align-items: center;
  justify-content: center;
}

.rc-brand-logo {
  display: block;
  width: min(100%, 120px);
  max-width: 120px;
  height: auto;
  margin: 0 auto;
  cursor: pointer;
}

.rc-task-context {
  min-width: 0;
  padding: 0;
  border: 0;
  text-align: center;
}

.rc-context-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 0 0 6px;
}

.rc-context-kicker {
  margin: 0;
  color: var(--rc-muted);
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.rc-attempt-label {
  display: inline-block;
  padding: 5px 9px;
  border: 1px solid var(--rc-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: #46505e;
  font-family: Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.35;
  text-transform: none;
}

.rc-assignment-title {
  margin: 0;
  color: var(--rc-primary);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 4vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.rc-reading-title,
.rc-login-subtitle,
.rc-home-subtitle {
  max-width: 760px;
  margin: 10px auto 0 !important;
  color: var(--rc-muted) !important;
  font-size: 1.02rem !important;
  line-height: 1.55 !important;
  text-align: center;
}

.rc-reading-title::before {
  content: "Reading: ";
  color: var(--rc-ink);
  font-weight: 700;
}

.rc-task-content {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 0 32px;
}

/* ---------- Reading/question workspace ---------- */

.rc-task-content #questionbox,
.rc-task-content #multiplechoice,
.rc-task-content #studentAnswer,
.rc-task-content #feedback {
  margin: 18px 0 !important;
  padding: 20px 24px !important;
  border: 1px solid var(--rc-border) !important;
  border-radius: 10px !important;
  background: var(--rc-panel) !important;
  color: var(--rc-ink);
  box-shadow: var(--rc-shadow);
}

.rc-task-content #questionbox {
  font-size: 1.06rem;
  line-height: 1.7;
}

.rc-task-content #studentAnswer,
.rc-task-content #feedback {
  line-height: 1.55;
}

.rc-task-content #multiplechoice {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 2.05;
}

.rc-task-content #multiplechoice input[type="radio"] {
  margin: 0 8px 0 0;
  accent-color: var(--rc-primary);
}

.rc-task-content #multiplechoice span {
  line-height: 1.45;
}

.rc-task-content #searchBar,
.rc-task-content input[type="text"],
.rc-task-content input[type="search"],
.rc-task-content select,
.rc-task-content textarea {
  min-height: 42px;
  margin: 8px 0 !important;
  padding: 8px 10px !important;
  border: 1px solid #b9c0c9 !important;
  border-radius: 6px !important;
  background: #fff !important;
  color: var(--rc-ink) !important;
  font-family: Arial, sans-serif;
  box-shadow: none !important;
}

.rc-task-content #searchBar:focus,
.rc-task-content input[type="text"]:focus,
.rc-task-content input[type="search"]:focus,
.rc-task-content select:focus,
.rc-task-content textarea:focus {
  outline: 3px solid var(--rc-focus-ring) !important;
  outline-offset: 0;
  border-color: var(--rc-primary) !important;
}

.rc-task-content #cButton,
.rc-task-content input[type="button"].w3-btn,
.rc-task-content button.w3-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin: 2px 0 6px !important;
  padding: 10px 18px !important;
  border: 1px solid var(--rc-primary) !important;
  border-radius: 6px !important;
  background: var(--rc-primary) !important;
  color: #fff !important;
  font-family: Arial, sans-serif !important;
  font-size: 0.92rem !important;
  font-weight: 700 !important;
  line-height: 1.2;
  text-decoration: none;
  box-shadow: none !important;
  cursor: pointer;
}

.rc-task-content #cButton:hover,
.rc-task-content #cButton:focus-visible,
.rc-task-content input[type="button"].w3-btn:hover,
.rc-task-content input[type="button"].w3-btn:focus-visible,
.rc-task-content button.w3-btn:hover,
.rc-task-content button.w3-btn:focus-visible {
  background: var(--rc-primary-hover) !important;
}

.rc-task-content #cButton:focus-visible,
.rc-task-content input[type="button"].w3-btn:focus-visible,
.rc-task-content button.w3-btn:focus-visible {
  outline: 3px solid var(--rc-focus-ring) !important;
  outline-offset: 2px;
}

.rc-task-content #cancelButton {
  margin-left: 10px;
  color: var(--rc-muted);
  font-family: Arial, sans-serif;
  font-size: 1.45rem;
  line-height: 1;
}

.rc-task-content #imagebox {
  display: block;
  max-width: min(100%, 760px);
  height: auto;
  margin: 12px auto;
  border-radius: 8px;
}

/* ---------- Login page: override its later inline legacy palette ---------- */

.rc-task-viewport .rc-login-card {
  width: min(100%, 640px);
  margin: 0 auto;
  padding: 24px !important;
  border: 1px solid var(--rc-border) !important;
  border-radius: 10px !important;
  background: var(--rc-panel) !important;
  box-shadow: var(--rc-shadow) !important;
}

.rc-task-viewport .rc-login-card h2 {
  margin: 0 0 18px !important;
  color: var(--rc-primary) !important;
  font-family: Georgia, "Times New Roman", serif !important;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem) !important;
  font-weight: 600 !important;
  line-height: 1.15 !important;
}

.rc-task-viewport .rc-login-form {
  display: grid;
  gap: 14px;
}

.rc-task-viewport .rc-login-field {
  width: 100%;
  min-height: 44px;
  margin: 0 !important;
  padding: 10px 12px !important;
  border: 1px solid #b9c0c9 !important;
  border-radius: 6px !important;
  background: #fff !important;
  color: var(--rc-ink) !important;
  font-family: Arial, sans-serif !important;
  font-size: 1rem !important;
}

.rc-task-viewport .rc-login-field:focus {
  outline: 3px solid var(--rc-focus-ring) !important;
  border-color: var(--rc-primary) !important;
}

.rc-task-viewport .rc-login-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.rc-task-viewport .rc-login-button {
  appearance: none;
  min-height: 44px;
  padding: 10px 18px !important;
  border: 1px solid var(--rc-primary) !important;
  border-radius: 6px !important;
  font-family: Arial, sans-serif !important;
  font-size: 0.92rem !important;
  font-weight: 700 !important;
  line-height: 1.2;
  cursor: pointer;
}

.rc-task-viewport .rc-login-button-primary {
  background: var(--rc-primary) !important;
  color: #fff !important;
}

.rc-task-viewport .rc-login-button-secondary {
  background: #fff !important;
  color: var(--rc-primary) !important;
}

.rc-task-viewport .rc-login-button:hover,
.rc-task-viewport .rc-login-button:focus-visible {
  filter: none !important;
}

.rc-task-viewport .rc-login-button-primary:hover,
.rc-task-viewport .rc-login-button-primary:focus-visible {
  background: var(--rc-primary-hover) !important;
}

.rc-task-viewport .rc-login-button-secondary:hover,
.rc-task-viewport .rc-login-button-secondary:focus-visible {
  background: var(--rc-soft) !important;
}

.rc-task-viewport .rc-login-button:focus-visible {
  outline: 3px solid var(--rc-focus-ring) !important;
  outline-offset: 2px;
}

.rc-task-viewport .rc-login-note {
  margin: 18px 0 0 !important;
  color: var(--rc-muted) !important;
  font-family: Arial, sans-serif;
  font-size: 0.92rem !important;
  line-height: 1.45 !important;
}

/* ---------- Student dashboard ---------- */

.rc-task-viewport .rc-home-actions {
  width: min(100%, 860px);
  margin: 0 auto;
  padding: 24px !important;
  border: 1px solid var(--rc-border) !important;
  border-radius: 10px !important;
  background: var(--rc-panel) !important;
  box-shadow: var(--rc-shadow) !important;
}

.rc-task-viewport .rc-home-actions h2 {
  margin: 0 0 18px !important;
  color: var(--rc-primary) !important;
  font-family: Georgia, "Times New Roman", serif !important;
  font-weight: 600 !important;
}

.rc-task-viewport .rc-home-button {
  min-height: 44px;
  padding: 10px 14px !important;
  border: 1px solid var(--rc-primary) !important;
  border-radius: 6px !important;
  background: #fff !important;
  color: var(--rc-primary) !important;
  font-family: Arial, sans-serif !important;
  font-size: 0.92rem !important;
  font-weight: 700 !important;
  line-height: 1.2 !important;
  box-shadow: none !important;
}

.rc-task-viewport .rc-home-button-primary {
  background: var(--rc-primary) !important;
  color: #fff !important;
}

.rc-task-viewport .rc-home-button:hover,
.rc-task-viewport .rc-home-button:focus-visible {
  filter: none !important;
  background: var(--rc-soft) !important;
}

.rc-task-viewport .rc-home-button-primary:hover,
.rc-task-viewport .rc-home-button-primary:focus-visible {
  background: var(--rc-primary-hover) !important;
}

.rc-task-viewport .rc-home-button:focus-visible {
  outline: 3px solid var(--rc-focus-ring) !important;
  outline-offset: 2px;
}

.rc-task-viewport .rc-home-button .w3-badge {
  min-width: 1.65em;
  margin-left: 5px;
  padding: 2px 6px;
  border: 1px solid var(--rc-border);
  background: #e9edf3 !important;
  color: var(--rc-primary) !important;
  font-family: Arial, sans-serif;
  font-weight: 700;
  vertical-align: middle;
}

.rc-home-data {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: 0 0 32px;
}

.rc-home-data:not(:empty) {
  margin-top: 18px !important;
}

.rc-home-data > .w3-panel,
.rc-home-data > table,
.rc-home-data .w3-responsive,
.rc-home-data .w3-card,
.rc-home-data .w3-card-2,
.rc-home-data .w3-card-4 {
  border: 1px solid var(--rc-border) !important;
  border-radius: 10px !important;
  background: var(--rc-panel) !important;
  box-shadow: var(--rc-shadow) !important;
}

.rc-home-data table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-family: Arial, sans-serif;
}

.rc-home-data th,
.rc-home-data td {
  padding: 10px 12px;
  border-bottom: 1px solid #e7e4dc;
  text-align: left;
}

/* ---------- Shared feedback/snackbar ---------- */

#snackbar {
  min-width: 250px;
  margin-left: -125px;
  padding: 13px 16px !important;
  border: 1px solid var(--rc-primary) !important;
  border-radius: 7px !important;
  background: var(--rc-primary) !important;
  color: #fff !important;
  font-family: Arial, sans-serif !important;
  font-size: 0.9rem !important;
  text-align: center;
  box-shadow: 0 10px 24px rgba(26, 35, 49, 0.18);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .rc-task-shell {
    width: min(100% - 22px, 760px);
    padding-top: 28px;
  }

  .rc-task-masthead {
    margin-bottom: 20px;
  }

  .rc-brand-logo {
    max-width: 235px;
  }
}

@media (max-width: 600px) {
  .rc-task-shell {
    width: min(100% - 20px, 660px);
    padding: 24px 0 28px;
  }

  .rc-brand-logo {
    max-width: 210px;
  }

  .rc-assignment-title {
    font-size: clamp(1.65rem, 8vw, 2.25rem);
  }

  .rc-task-content #questionbox,
  .rc-task-content #multiplechoice,
  .rc-task-content #studentAnswer,
  .rc-task-content #feedback,
  .rc-task-viewport .rc-login-card,
  .rc-task-viewport .rc-home-actions {
    padding: 20px !important;
  }

  .rc-task-viewport .rc-login-actions {
    display: grid !important;
  }

  .rc-task-viewport .rc-login-button,
  .rc-task-viewport .rc-home-button,
  .rc-task-content #cButton {
    width: 100% !important;
  }
}

/* ==========================================================
   RC student visual system v2 — compact HomePage masthead
   HomePage only: identified by its .rc-home-actions section.
   Keeps the global 4Q-aligned visual treatment intact.
   ========================================================== */

@media (min-width: 901px) {
  .rc-task-shell:has(.rc-home-actions) {
    padding-top: 18px;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-task-masthead {
    grid-template-columns: minmax(150px, 190px) minmax(0, 1fr);
    gap: 24px;
    align-items: center;
    margin-bottom: 14px;
    text-align: left;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-brand-slot {
    justify-content: flex-start;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-brand-logo {
    width: 190px;
    max-width: 190px;
    margin: 0;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-task-context {
    text-align: left;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-context-topline {
    justify-content: flex-start;
    margin-bottom: 3px;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-home-subtitle {
    max-width: none;
    margin: 4px 0 0 !important;
    text-align: left;
  }
}

@media (max-width: 900px) {
  .rc-task-shell:has(.rc-home-actions) {
    padding-top: 20px;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-task-masthead {
    gap: 7px;
    margin-bottom: 14px;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-brand-logo {
    max-width: 210px;
  }

  .rc-task-shell:has(.rc-home-actions) .rc-home-subtitle {
    margin-top: 4px !important;
  }
}