/* ============================================================
   RCV Poll App — Stylesheet
   All styling lives here. No inline styles in HTML or JS.
   Organized by: Variables → Reset → Base → Layout →
                 Components → Page-specific → Utilities
   ============================================================ */


/* ============================================================
   CSS Custom Properties (Design Tokens)
   ============================================================ */

:root {
  /* Brand colors */
  --color-primary:        #4F46E5;   /* indigo-600 */
  --color-primary-dark:   #3730A3;   /* indigo-800 */
  --color-primary-light:  #EEF2FF;   /* indigo-50 */
  --color-accent:         #10B981;   /* emerald-500 — winner highlight */
  --color-accent-light:   #ECFDF5;   /* emerald-50 */
  --color-danger:         #EF4444;   /* red-500 — eliminated */
  --color-danger-light:   #FEF2F2;   /* red-50 */
  --color-warning:        #F59E0B;   /* amber-500 */
  --color-warning-light:  #FFFBEB;   /* amber-50 */

  /* Neutrals */
  --color-bg:             #F9FAFB;   /* gray-50 — page background */
  --color-surface:        #FFFFFF;   /* card/panel background */
  --color-border:         #E5E7EB;   /* gray-200 */
  --color-border-focus:   #4F46E5;   /* matches primary */
  --color-text:           #111827;   /* gray-900 */
  --color-text-secondary: #6B7280;   /* gray-500 */
  --color-text-muted:     #9CA3AF;   /* gray-400 */

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  --font-size-sm:   0.875rem;   /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg:   1.125rem;   /* 18px */
  --font-size-xl:   1.25rem;    /* 20px */
  --font-size-2xl:  1.5rem;     /* 24px */
  --font-size-3xl:  1.875rem;   /* 30px */
  --font-size-4xl:  2.25rem;    /* 36px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Borders & Shadows */
  --radius-sm:  0.25rem;
  --radius-md:  0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  --radius-full: 9999px;
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --max-width:        640px;
  --nav-height:       60px;
}


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

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: inherit;
  font-size: var(--font-size-base);
}

ul {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
}


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

/* Wraps page content below the nav */
.page-wrapper {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

/* Centered content column */
.content-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

/* Wider container for the home page hero */
.content-container--wide {
  max-width: 800px;
}


/* ============================================================
   Navigation
   ============================================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo:hover {
  text-decoration: none;
  color: var(--color-primary-dark);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
  text-decoration: none;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-user-name {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary filled button */
.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* Outlined button */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-primary-light);
}

/* Ghost (text-only) button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 2px solid transparent;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.btn-ghost:hover:not(:disabled) {
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Danger button */
.btn-danger {
  background-color: transparent;
  color: var(--color-danger);
  border: 2px solid transparent;
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-sm);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger-light);
}

/* Full-width button */
.btn-full {
  width: 100%;
}

/* Small button */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}


/* ============================================================
   Form Elements
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-label-hint {
  font-weight: 400;
  color: var(--color-text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}


/* ============================================================
   Cards
   ============================================================ */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}


/* ============================================================
   Hero Section (Home Page)
   ============================================================ */

.hero {
  text-align: center;
  padding: var(--space-12) var(--space-4) var(--space-8);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.hero-title-accent {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}


/* ============================================================
   Poll Creation Form (index.html)
   ============================================================ */

.create-form {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.create-form-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

/* Container for option input rows */
.options-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

/* A single option input row */
.option-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.option-row .form-input {
  flex: 1;
}

/* "Add another option" button area */
.add-option-row {
  margin-bottom: var(--space-6);
}

/* Share panel shown after poll creation */
.share-panel {
  background-color: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-top: var(--space-8);
}

.share-panel-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}

.share-panel-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
}

.share-url-row {
  display: flex;
  gap: var(--space-2);
}

.share-url-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-family: monospace;
}

.share-url-input:focus {
  outline: none;
  border-color: var(--color-primary);
}


/* ============================================================
   Voting Page (vote.html)
   ============================================================ */

.vote-header {
  margin-bottom: var(--space-8);
}

.vote-question {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.vote-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Instructions banner */
.vote-instructions {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  line-height: 1.6;
}

/* Section label above the option list */
.vote-section-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

/* Individual option card */
.option-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              box-shadow var(--transition-fast);
  margin-bottom: var(--space-3);
  user-select: none;
}

.option-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* Option card when it has been ranked */
.option-card--ranked {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* The rank number badge (1st, 2nd, etc.) */
.option-rank-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

/* Badge when unranked — shows a dot */
.option-rank-badge--empty {
  background-color: var(--color-border);
  color: var(--color-text-muted);
  font-size: 1.25rem;
}

.option-card-label {
  flex: 1;
  font-size: var(--font-size-lg);
  font-weight: 500;
}

/* Tap prompt shown below ranked options */
.option-card-tap-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Submit area */
.vote-submit-area {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.vote-submit-helper {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* Already voted message */
.already-voted-notice {
  background-color: var(--color-warning-light);
  border: 2px solid var(--color-warning);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

.already-voted-notice p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}


/* ============================================================
   Results Page (results.html)
   ============================================================ */

.results-header {
  margin-bottom: var(--space-8);
}

.results-question {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.results-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Winner announcement banner */
.winner-banner {
  background-color: var(--color-accent-light);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  margin-bottom: var(--space-8);
}

.winner-banner-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.winner-banner-name {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.winner-banner-votes {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* No winner yet (poll has no votes) */
.no-winner-banner {
  background-color: var(--color-bg);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  margin-bottom: var(--space-8);
  color: var(--color-text-secondary);
}

/* Plurality differs callout — the "aha moment" */
.plurality-callout {
  background-color: var(--color-warning-light);
  border: 2px solid var(--color-warning);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-8);
}

.plurality-callout-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}

.plurality-callout-icon {
  font-size: var(--font-size-xl);
}

.plurality-callout-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Round-by-round chart section */
.rounds-section {
  margin-bottom: var(--space-8);
}

.rounds-section-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

/* A single round block */
.round-block {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.round-block:last-child {
  border-bottom: none;
}

.round-block-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.round-elimination-note {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  margin-top: var(--space-3);
  font-style: italic;
}

/* A single bar row within a round */
.bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.bar-label {
  width: 120px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

.bar-track {
  flex: 1;
  height: 28px;
  background-color: var(--color-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  width: 0;                         /* starts at 0; animated to actual value */
  transition: width 600ms ease-out;
}

/* Winner's bar gets the accent color */
.bar-fill--winner {
  background-color: var(--color-accent);
}

/* Eliminated candidate's bar is muted */
.bar-fill--eliminated {
  background-color: var(--color-danger);
  opacity: 0.5;
}

.bar-count {
  width: 56px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: right;
  flex-shrink: 0;
}

/* Majority threshold marker */
.majority-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  text-align: right;
}


/* ============================================================
   Sankey Two-Column Layout (results.html)
   ============================================================ */

/* Override max-width so the section uses full available width */
.rounds-section--sankey {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Flex wrapper: left = SVG, right = round panels */
.results-two-col {
  display: flex;
  align-items: flex-start;
  gap: var(--space-8);
}

/* Left column: SVG diagram — narrow strip, sticky while user scrolls round panels */
.sankey-col {
  flex: 0 0 25%;
  position: sticky;
  top: calc(var(--nav-height, 60px) + var(--space-4));
  align-self: flex-start;
}

/* Right column: stacked round panels */
.rounds-col {
  flex: 1 1 auto;
  min-width: 0;
}

/* SVG element */
.sankey-svg {
  display: block;
  width: 100%;
  overflow: visible;
}

/* Sankey node rectangles */
.sankey-node rect {
  cursor: default;
}

/* Sankey node text labels */
.sankey-node text {
  font-family: var(--font-sans);
  pointer-events: none;
}

/* Sankey flow links — semi-transparent paths */
.sankey-link {
  fill: none;
  opacity: 0.38;
  transition: opacity 180ms ease;
}

.sankey-link:hover {
  opacity: 0.7;
}

/* Eliminated candidate nodes are dimmed */
.sankey-node--eliminated rect {
  opacity: 0.35;
}

/* Winner node gets a visible accent ring */
.sankey-node--winner rect {
  stroke: var(--color-accent);
  stroke-width: 2px;
}

/* Legend strip above the SVG */
.sankey-legend {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.sankey-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.sankey-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Mobile: single column — SVG on top, panels below */
@media (max-width: 767px) {
  .rounds-section--sankey {
    padding-left: 0;
    padding-right: 0;
  }

  .results-two-col {
    flex-direction: column;
    gap: var(--space-4);
  }

  .sankey-col {
    position: static;
    flex: 0 0 auto;
    width: 100%;
  }

  .rounds-col {
    width: 100%;
  }
}


/* ============================================================
   Share & CTA Section (results.html)
   ============================================================ */

.results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}


/* ============================================================
   Educational Section (results.html)
   ============================================================ */

.edu-section {
  border-top: 2px solid var(--color-border);
  padding-top: var(--space-10);
  margin-top: var(--space-4);
}

.edu-section-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--space-6);
}

.edu-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.edu-point {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.edu-point-icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  margin-top: 2px;
}

.edu-point-text {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.edu-point-text strong {
  color: var(--color-text);
}

.edu-stat-bar {
  background-color: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  line-height: 1.7;
  font-style: italic;
}

.edu-read-more {
  text-align: center;
  padding-top: var(--space-4);
}

.edu-read-more-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}


/* ============================================================
   My Polls Page (my-polls.html)
   ============================================================ */

.my-polls-header {
  margin-bottom: var(--space-8);
}

.my-polls-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.my-polls-subtitle {
  color: var(--color-text-secondary);
}

/* Grid of poll cards */
.polls-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Individual poll card in the list */
.poll-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.poll-card:hover {
  box-shadow: var(--shadow-md);
}

.poll-card-question {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.poll-card-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.poll-card-actions {
  display: flex;
  gap: var(--space-3);
}

/* Empty state when no polls exist */
.polls-empty {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text-secondary);
}

.polls-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.polls-empty-text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
}

/* Logged-out state for my-polls page */
.login-prompt {
  text-align: center;
  padding: var(--space-16) var(--space-4);
}

.login-prompt-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.login-prompt-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.login-prompt-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}


/* ============================================================
   Loading & Error States
   ============================================================ */

.loading-state {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text-secondary);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--space-4);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.error-state {
  background-color: var(--color-danger-light);
  border: 2px solid var(--color-danger);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  color: var(--color-danger);
}

.error-state p {
  margin-bottom: var(--space-4);
}


/* ============================================================
   Demo Page (demo.html)
   ============================================================ */

/* Info box explaining the spoiler effect, above the scenario cards */
.demo-intro-callout {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  line-height: 1.7;
}

/* A single scenario card — horizontal flex: icon | body | button */
.demo-scenario-card {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.demo-scenario-card:hover {
  box-shadow: var(--shadow-md);
}

/* Large emoji icon on the left */
.demo-scenario-card-icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

/* Middle column — question and outcome text */
.demo-scenario-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* Bold scenario title e.g. "Lunch — Pizza Split" */
.demo-scenario-card-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
}

/* The poll question in smaller muted text */
.demo-scenario-card-question {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* "Regular voting: X → RCV winner: Y" spoiler line */
.demo-scenario-card-outcome {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: var(--space-1);
}

/* Centered CTA section below the cards */
.demo-cta {
  text-align: center;
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
}

.demo-cta-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* Responsive: stack cards vertically on small screens */
@media (max-width: 480px) {
  .demo-scenario-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .demo-scenario-card .btn {
    width: 100%;
  }
}


/* ============================================================
   Utilities
   ============================================================ */

/* Hide an element (toggled by auth.js) */
.hidden {
  display: none !important;
}

/* Visually hidden but accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.text-sm     { font-size: var(--font-size-sm); }
.text-muted  { color: var(--color-text-secondary); }

.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }


/* ============================================================
   Comparison Block — side-by-side "Without RCV / With RCV"
   Shown at the top of the results page when the RCV winner
   differs from the plurality winner.
   ============================================================ */

.comparison-block {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-8);
}

.comparison-panel {
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

/* Left panel — what plurality would have picked (bad outcome) */
.comparison-without {
  background-color: var(--color-danger-light);
  border: 2px solid var(--color-danger);
}

/* Right panel — what RCV picks (correct outcome) */
.comparison-with {
  background-color: var(--color-accent-light);
  border: 2px solid var(--color-accent);
}

.comparison-panel-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.comparison-winner-name {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.comparison-winner-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.comparison-stat {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.comparison-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Arrow between the two panels */
.comparison-arrow {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-muted);
  flex-shrink: 0;
  text-align: center;
}


/* ============================================================
   Responsive Adjustments
   ============================================================ */

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .create-form {
    padding: var(--space-5);
  }

  .bar-label {
    width: 90px;
  }

  .results-actions {
    flex-direction: column;
  }

  .results-actions .btn {
    width: 100%;
  }

  .share-url-row {
    flex-direction: column;
  }

  .share-url-row .btn {
    width: 100%;
  }

  /* Comparison block stacks vertically on small screens */
  .comparison-block {
    grid-template-columns: 1fr;
  }

  .comparison-arrow {
    transform: rotate(90deg);
  }
}