/* Font Utility Classes */
.arvo-regular {
  font-family: "Arvo", serif;
  font-weight: 400;
  font-style: normal;
}

.arvo-bold {
  font-family: "Arvo", serif;
  font-weight: 700;
  font-style: normal;
}

.arvo-regular-italic {
  font-family: "Arvo", serif;
  font-weight: 400;
  font-style: italic;
}

.arvo-bold-italic {
  font-family: "Arvo", serif;
  font-weight: 700;
  font-style: italic;
}

.elms-sans-100 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 100;
  font-style: normal;
}

.elms-sans-200 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 200;
  font-style: normal;
}

.elms-sans-300 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
}

.elms-sans-400 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}

.elms-sans-500 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
}

.elms-sans-600 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 600;
  font-style: normal;
}

.elms-sans-700 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-style: normal;
}

.elms-sans-800 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 800;
  font-style: normal;
}

.elms-sans-900 {
  font-family: "Elms Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 900;
  font-style: normal;
}

:root {
  --primary: #471ca8;
  --primary-light: #884ab2;
  --primary-dark: #2f0f7b;
  --accent: #ff930a;
  --accent-light: #ffb14b;
  --warning: #f24b04;
  --danger: #d1105a;
  --bg-primary: #0d0820;
  --bg-secondary: #171131;
  --bg-tertiary: #24184a;
  --surface: rgba(136, 74, 178, 0.14);
  --surface-hover: rgba(136, 74, 178, 0.25);
  --text-primary: #f8f4ff;
  --text-secondary: #c9bde6;
  --text-muted: #9888bd;
  --border: rgba(201, 189, 230, 0.22);
  --charcoal: #20143f;
  --shadow: rgba(8, 4, 22, 0.6);
  --gradient-primary: linear-gradient(135deg, #471ca8 0%, #884ab2 54%, #d1105a 100%);
  --gradient-accent: linear-gradient(135deg, #ff930a 0%, #f24b04 100%);
  --gradient-surface: linear-gradient(145deg, rgba(71, 28, 168, 0.24) 0%, rgba(136, 74, 178, 0.16) 52%, rgba(209, 16, 90, 0.18) 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, rgba(136, 74, 178, 0.18) 100%);
}

* {
  box-sizing: border-box;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 10% 0%, rgba(136, 74, 178, 0.28) 0%, transparent 34%),
    radial-gradient(circle at 90% 12%, rgba(209, 16, 90, 0.2) 0%, transparent 34%),
    var(--bg-primary) !important;
}

a {
  color: var(--accent-light);
}

input,
select,
textarea,
.form-input,
.form-select,
.topic-input,
.chat-input,
.answers-input,
.join-input {
  background: var(--bg-tertiary) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted) !important;
}

input:focus,
select:focus,
textarea:focus,
.form-input:focus,
.form-select:focus,
.topic-input:focus,
.chat-input:focus,
.answers-input:focus,
.join-input:focus {
  border-color: var(--primary-light) !important;
  box-shadow: 0 0 0 3px rgba(136, 74, 178, 0.22) !important;
  outline: none;
}

.btn,
.auth-btn,
.join-btn,
.send-btn,
.generate-btn,
.submit-btn,
.action-button {
  background: var(--gradient-primary) !important;
  color: var(--text-primary) !important;
  border: none !important;
  box-shadow: 0 10px 24px rgba(71, 28, 168, 0.35) !important;
}

.btn-secondary,
.sample-btn,
.reset-btn,
.logout-btn,
.join-code-btn,
.back-btn,
.period-btn {
  background: var(--surface) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border) !important;
}

.btn:hover,
.auth-btn:hover,
.join-btn:hover,
.send-btn:hover,
.generate-btn:hover,
.submit-btn:hover,
.action-button:hover,
.btn-secondary:hover,
.sample-btn:hover,
.reset-btn:hover,
.logout-btn:hover,
.join-code-btn:hover,
.back-btn:hover,
.period-btn:hover {
  transform: translateY(-2px);
}

.period-btn.active,
.nav-item.active,
.sidebar-link.active {
  background: var(--gradient-primary) !important;
  color: var(--text-primary) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

.brand-name,
.stat-number,
.score-display,
.stat-value {
  background: var(--gradient-primary) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

.brand-icon,
.tool-icon,
.card-icon,
.stat-icon {
  background: var(--gradient-primary) !important;
}

.status-pill,
.vark-dominant {
  background: rgba(255, 147, 10, 0.12) !important;
  border: 1px solid rgba(255, 147, 10, 0.35) !important;
  color: #ffd8a2 !important;
}

.layout {
  display: grid;
  grid-template-columns: minmax(260px, 290px) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: rgba(23, 17, 49, 0.88) !important;
  border-right: 1px solid var(--border) !important;
  backdrop-filter: blur(20px);
}

.main,
.main-content {
  min-width: 0;
}

.main {
  padding: 28px;
}

.main-topbar,
.header,
.dashboard-header,
.auth-header {
  background: rgba(23, 17, 49, 0.84) !important;
  border-color: var(--border) !important;
  backdrop-filter: blur(16px);
}

.main-topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

#pageTitle,
.page-title,
.auth-title,
.join-title,
.section-title {
  color: var(--text-primary) !important;
  background: linear-gradient(135deg, #ffffff 0%, #c9bde6 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hero,
.vark-hero {
  background: var(--gradient-primary) !important;
  box-shadow: 0 18px 36px rgba(71, 28, 168, 0.34) !important;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  background: rgba(255, 255, 255, 0.14) !important;
  color: var(--text-primary) !important;
  border-color: rgba(255, 255, 255, 0.24) !important;
}

.cards3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.workspace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.panel,
.stat-card,
.tool-card,
.progress-stat,
.vark-card,
.assessment-container,
.chat-container,
.quiz-container,
.chart-container,
.progress-card,
.activity-timeline,
.learning-tools,
.auth-card,
.join-card {
  background: var(--gradient-card) !important;
  border: 1px solid var(--border) !important;
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 30px var(--shadow);
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.row {
  display: flex;
  gap: 12px;
}

.row .btn {
  flex: 1;
}

.quiz-item,
.question-card,
.message.ai {
  background: rgba(36, 24, 74, 0.75) !important;
  border: 1px solid var(--border) !important;
}

.message.user,
.option-label.selected {
  background: var(--gradient-primary) !important;
}

.chart-bar,
.progress-fill,
.card-progress .progress-bar,
.vark-progress-bar {
  background: var(--gradient-accent) !important;
}

.chart-content {
  overflow-x: auto;
  overflow-y: hidden;
  gap: 10px;
  padding-bottom: 34px;
}

.chart-bar {
  min-width: 20px;
}

.chart-bar-label {
  color: var(--text-secondary) !important;
}

.toast {
  background: var(--charcoal) !important;
  border: 1px solid var(--border);
}

.error-message,
.toast.error {
  background: linear-gradient(135deg, #d1105a 0%, #f24b04 100%) !important;
}

.success-message {
  background: linear-gradient(135deg, #884ab2 0%, #471ca8 100%) !important;
}

.auth-shell .header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.auth-shell .auth-container,
.auth-shell .join-container {
  padding: 28px 16px !important;
}

.auth-shell .auth-footer {
  border-color: var(--border) !important;
}

.page-shell .main-content,
.page-shell .content-area {
  min-width: 0;
}

.page-shell .chat-container {
  min-height: 520px;
  height: auto !important;
}

.page-shell .chat-input-group {
  align-items: flex-end;
}

.home-shell pre {
  color: #f5f1ff;
  background: rgba(13, 8, 32, 0.72);
  border: 1px solid var(--border);
}

@media (max-width: 1140px) {
  .cards3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .main {
    padding: 20px;
  }

  .main-topbar {
    padding: 16px;
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .home-shell .sidebar {
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
  }

  .home-shell .sidebar-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .home-shell .hero-stats {
    flex-wrap: wrap;
    gap: 14px;
  }

  .page-shell {
    display: block !important;
  }

  .page-shell .sidebar {
    width: 100% !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 16px !important;
    gap: 14px !important;
  }

  .page-shell .nav-menu {
    display: flex !important;
    flex-direction: row !important;
    gap: 8px !important;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .page-shell .nav-item {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .page-shell .user-section {
    border-top: 1px solid var(--border);
    padding-top: 14px !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
  }

  .page-shell .user-info {
    margin: 0 !important;
  }

  .page-shell .logout-btn {
    width: auto !important;
    min-width: 90px;
  }

  .page-shell .header,
  .page-shell .dashboard-header {
    position: static !important;
    padding: 18px 20px !important;
  }

  .page-shell .content-area,
  .dashboard-container {
    padding: 20px 16px !important;
  }

  .page-shell .vark-hero,
  .page-shell .learning-tools,
  .page-shell .assessment-container,
  .page-shell .quiz-container,
  .page-shell .chat-container,
  .page-shell .chart-container,
  .page-shell .progress-card,
  .page-shell .activity-timeline {
    padding: 20px !important;
  }

  .page-shell .progress-overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 680px) {
  .main-topbar,
  .auth-shell .header-content,
  .chat-input-group,
  .quiz-actions,
  .form-actions,
  .row {
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .main-topbar {
    gap: 12px;
  }

  .top-actions {
    width: 100%;
    justify-content: stretch;
  }

  .top-actions > * {
    width: 100%;
  }

  .cards3 {
    grid-template-columns: 1fr;
  }

  .home-shell .sidebar-nav {
    grid-template-columns: 1fr;
  }

  .auth-shell .auth-header,
  .auth-shell .auth-footer {
    padding: 16px !important;
  }

  .auth-shell .auth-card,
  .auth-shell .join-card {
    padding: 22px !important;
    border-radius: 16px !important;
  }

  .auth-shell .brand-name,
  .auth-shell .auth-title,
  .auth-shell .join-title,
  .page-shell .page-title,
  .page-shell .vark-title {
    font-size: clamp(1.5rem, 6vw, 2rem) !important;
  }

  .page-shell .quiz-form {
    grid-template-columns: 1fr !important;
  }

  .page-shell .progress-overview,
  .page-shell .stats-overview {
    grid-template-columns: 1fr !important;
  }

  .page-shell .progress-section,
  .page-shell .tools-grid,
  .page-shell .vark-categories {
    grid-template-columns: 1fr !important;
  }

  .page-shell .results-grid {
    grid-template-columns: 1fr !important;
  }

  .page-shell .message {
    max-width: 100% !important;
  }

  .chart-bar-label {
    font-size: 10px !important;
  }
}

/* Flat palette overrides */
:root {
  --primary: #FF930A !important;
  --primary-light: #FFD7B8 !important;
  --primary-dark: #F24B04 !important;
  --accent: #D1105A !important;
  --accent-light: #884AB2 !important;
  --warning: #F24B04 !important;
  --danger: #D1105A !important;
  --bg-primary: #F9F9F9 !important;
  --bg-secondary: #FFFFFF !important;
  --bg-tertiary: #FFD7B8 !important;
  --surface: #FFFFFF !important;
  --surface-hover: #FFD7B8 !important;
  --text-primary: #2C2C2C !important;
  --text-secondary: #666666 !important;
  --text-muted: #666666 !important;
  --border: rgba(71, 28, 168, 0.18) !important;
  --charcoal: #471CA8 !important;
  --shadow: rgba(71, 28, 168, 0.12) !important;
  --gradient-primary: #FF930A !important;
  --gradient-accent: #F24B04 !important;
  --gradient-surface: #FFFFFF !important;
  --gradient-card: #FFFFFF !important;
}

body {
  background: #F9F9F9 !important;
}

.btn,
.auth-btn,
.join-btn,
.send-btn,
.generate-btn,
.submit-btn,
.action-button,
.period-btn.active,
.nav-item.active,
.sidebar-link.active,
.message.user,
.option-label.selected,
.hero,
.vark-hero {
  background: #FF930A !important;
  color: #2C2C2C !important;
}

.btn-secondary,
.sample-btn,
.reset-btn,
.logout-btn,
.join-code-btn,
.back-btn,
.period-btn,
.tag,
.status-pill,
.vark-dominant {
  background: #FFD7B8 !important;
  color: #471CA8 !important;
  border-color: rgba(71, 28, 168, 0.28) !important;
}

.brand-name,
.stat-number,
.score-display,
.stat-value,
#pageTitle,
.page-title,
.auth-title,
.join-title,
.section-title {
  background: none !important;
  color: #471CA8 !important;
  -webkit-text-fill-color: initial !important;
}

.brand-icon,
.tool-icon,
.card-icon,
.stat-icon,
.chart-bar,
.progress-fill,
.card-progress .progress-bar,
.vark-progress-bar {
  background: #884AB2 !important;
}

.panel,
.stat-card,
.tool-card,
.progress-stat,
.vark-card,
.assessment-container,
.chat-container,
.quiz-container,
.chart-container,
.progress-card,
.activity-timeline,
.learning-tools,
.auth-card,
.join-card,
.main-topbar,
.header,
.dashboard-header,
.auth-header,
.sidebar {
  background: #FFFFFF !important;
  backdrop-filter: none !important;
  box-shadow: 0 8px 22px rgba(71, 28, 168, 0.08) !important;
  border-color: rgba(71, 28, 168, 0.16) !important;
}

.error-message,
.toast.error {
  background: #D1105A !important;
  color: #FFFFFF !important;
}

.success-message {
  background: #884AB2 !important;
  color: #FFFFFF !important;
}

/* Typography + interaction refinement */
body,
button,
input,
textarea,
select {
  font-family: "Elms Sans", "Segoe UI", Arial, sans-serif !important;
  font-style: normal;
  font-optical-sizing: auto;
}

.brand-copy h1,
h1,
h2,
h3,
h4,
h5,
h6,
label,
.label,
#pageTitle,
.page-title,
.auth-title,
.join-title,
.section-title,
.hero h3 {
  font-family: "Arvo", Georgia, "Times New Roman", serif !important;
  letter-spacing: 0.01em;
}

.brand-copy p,
.eyebrow,
.small-label {
  font-family: "Arvo", Georgia, "Times New Roman", serif !important;
  letter-spacing: 0.04em;
}

p,
span,
li,
input,
select,
textarea,
button,
.helper,
.stat-label {
  font-family: "Elms Sans", "Segoe UI", Arial, sans-serif !important;
}

body {
  line-height: 1.65;
}

.layout {
  max-width: 1600px;
  margin: 0 auto;
}

.sidebar,
.main-topbar,
.panel,
.stat-card,
.hero {
  border-radius: 20px !important;
}

.main {
  padding: 28px 30px 34px;
}

.brand-copy h1 {
  font-size: clamp(1.6rem, 2.2vw, 2rem);
  font-weight: 700;
  margin: 0;
}

.brand-copy p {
  font-size: 0.92rem;
  color: #5f5f78 !important;
}

.sidebar-nav {
  gap: 10px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  border-radius: 14px;
}

.sidebar-link .link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(136, 74, 178, 0.15);
}

.main-topbar {
  align-items: flex-start;
}

.main-topbar h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}

.hero {
  position: relative;
  isolation: isolate;
  padding: 46px 36px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: none;
  pointer-events: none;
  z-index: -1;
}

/* Remove remaining gradient text effects */
.brand-name,
.stat-number,
.score-display,
.stat-value,
#pageTitle,
.page-title,
.auth-title,
.join-title,
.section-title {
  background: none !important;
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
  color: #471CA8 !important;
}

/* Subtle premium heading effect (no gradient) */
#pageTitle,
.hero h3,
.panel h3 {
  position: relative;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6), 0 8px 18px rgba(71, 28, 168, 0.14);
}

#pageTitle::after,
.hero h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 56px;
  height: 3px;
  border-radius: 999px;
  background: rgba(71, 28, 168, 0.4);
  animation: headingPulse 2.6s ease-in-out infinite;
}

@keyframes headingPulse {
  0%, 100% { transform: scaleX(1); opacity: 0.65; }
  50% { transform: scaleX(1.28); opacity: 1; }
}

.hero p {
  max-width: 70ch;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 16px;
}

.stat-item {
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: 0 8px 18px rgba(71, 28, 168, 0.12);
}

.stat-number {
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-weight: 700;
}

.stat-label {
  font-size: 0.9rem;
  color: #4a3a30;
}

.tag {
  border-radius: 999px !important;
  padding: 7px 12px;
  font-size: 0.9rem;
}

.cards3 {
  gap: 18px;
}

.card-icon {
  border-radius: 12px !important;
  box-shadow: 0 10px 20px rgba(136, 74, 178, 0.18);
}

.stat-card h4,
.panel h3 {
  font-size: 1.18rem;
}

.panel {
  padding: 26px;
}

input,
select,
textarea {
  border-radius: 12px !important;
  min-height: 46px;
}

textarea {
  min-height: 120px;
}

.btn,
.btn-secondary {
  min-height: 46px;
  border-radius: 12px !important;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.btn:hover,
.btn-secondary:hover,
.sidebar-link:hover,
.stat-card:hover,
.panel:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 14px 24px rgba(71, 28, 168, 0.16) !important;
}

.btn:focus-visible,
.btn-secondary:focus-visible,
.sidebar-link:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(136, 74, 178, 0.28);
  outline-offset: 2px;
}

pre {
  border-radius: 12px !important;
  padding: 12px 14px !important;
}

@media (max-width: 980px) {
  .main {
    padding: 20px 16px 24px;
  }

  .hero {
    padding: 28px 20px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }
}