/* Agora Design System */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Source+Serif+4:wght@400;600;700&display=swap');

:root {
  --color-primary: #C75D3A;
  --color-primary-hover: #A84A2C;
  --color-primary-light: #F4E6E1;
  --color-secondary: #6B8F71;
  --color-secondary-light: #E8F0E9;
  --color-ink: #1E2D3D;
  --color-ink-muted: #5A6B7A;
  --color-surface: #FDFBF7;
  --color-surface-raised: #FFFFFF;
  --color-surface-sunken: #F5F2EC;
  --color-consent: #4A7C59;
  --color-object: #B85450;
  --color-stand-aside: #C9A227;
  --color-border: #E5E1DB;
  --shadow-sm: 0 1px 2px rgba(30, 45, 61, 0.05);
  --shadow-md: 0 4px 6px rgba(30, 45, 61, 0.07);
  --shadow-lg: 0 10px 15px rgba(30, 45, 61, 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--color-surface);
  color: var(--color-ink);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  line-height: 1.3;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary-hover);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.main-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

@media (max-width: 768px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
}

/* Sidebar */
.sidebar {
  background: var(--color-surface-raised);
  border-right: 1px solid var(--color-border);
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -100%;
    z-index: 100;
    transition: left 0.3s;
    width: 260px;
  }
  .sidebar.open {
    left: 0;
  }
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 18px;
}

.sidebar-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-ink);
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav-item {
  margin-bottom: 4px;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--color-ink-muted);
  font-weight: 500;
  transition: all 0.2s;
}

.sidebar-nav-link:hover,
.sidebar-nav-link.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.sidebar-nav-link svg {
  width: 20px;
  height: 20px;
}

.sidebar-section {
  margin-top: 32px;
}

.sidebar-section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-ink-muted);
  margin-bottom: 12px;
  padding: 0 16px;
}

/* Main Content */
.main-content {
  padding: 32px;
  max-width: 900px;
}

@media (max-width: 768px) {
  .main-content {
    padding: 16px;
  }
}

/* Header */
.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  margin-bottom: 8px;
}

.page-subtitle {
  color: var(--color-ink-muted);
  font-size: 16px;
}

/* Mobile Header */
.mobile-header {
  display: none;
  background: var(--color-surface-raised);
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

@media (max-width: 768px) {
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}

.menu-toggle {
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--color-ink);
}

/* Cards */
.card {
  background: var(--color-surface-raised);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-secondary);
  color: white;
}

.btn-secondary:hover {
  background: #5A7A5F;
}

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

.btn-outline:hover {
  background: var(--color-primary-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink-muted);
}

.btn-ghost:hover {
  background: var(--color-surface-sunken);
  color: var(--color-ink);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: 10px;
}

/* Vote Buttons */
.btn-consent {
  background: var(--color-consent);
  color: white;
}

.btn-consent:hover {
  background: #3D6849;
}

.btn-consent.active {
  background: #3D6849;
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.3);
}

.btn-object {
  background: var(--color-object);
  color: white;
}

.btn-object:hover {
  background: #9D4845;
}

.btn-object.active {
  background: #9D4845;
  box-shadow: 0 0 0 3px rgba(184, 84, 80, 0.3);
}

.btn-stand-aside {
  background: var(--color-stand-aside);
  color: white;
}

.btn-stand-aside:hover {
  background: #B08E20;
}

.btn-stand-aside.active {
  background: #B08E20;
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.3);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-ink);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  background: var(--color-surface-raised);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: 13px;
  color: var(--color-ink-muted);
  margin-top: 6px;
}

.form-error {
  color: var(--color-object);
  font-size: 14px;
  margin-top: 6px;
}

/* Posts */
.post {
  background: var(--color-surface-raised);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: 20px;
  margin-bottom: 16px;
}

.post-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.post-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 16px;
}

.post-meta {
  flex: 1;
}

.post-author {
  font-weight: 600;
  color: var(--color-ink);
}

.post-time {
  font-size: 13px;
  color: var(--color-ink-muted);
}

.post-content {
  margin-bottom: 16px;
  line-height: 1.7;
}

.post-actions {
  display: flex;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.post-action {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  color: var(--color-ink-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.post-action:hover {
  background: var(--color-surface-sunken);
  color: var(--color-ink);
}

.post-action.liked {
  color: var(--color-primary);
}

.post-action svg {
  width: 18px;
  height: 18px;
}

/* Comments */
.comments-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.comment {
  display: flex;
  gap: 12px;
  padding: 12px 0;
}

.comment:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.comment-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
  flex-shrink: 0;
}

.comment-body {
  flex: 1;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.comment-author {
  font-weight: 600;
  font-size: 14px;
}

.comment-time {
  font-size: 12px;
  color: var(--color-ink-muted);
}

.comment-content {
  font-size: 14px;
  line-height: 1.5;
}

.comment-form {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.comment-form .form-input {
  flex: 1;
  padding: 10px 14px;
}

/* Chat */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 200px);
  min-height: 400px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: var(--color-surface-sunken);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
}

.chat-message {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.chat-message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}

.chat-message-body {
  flex: 1;
}

.chat-message-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.chat-message-author {
  font-weight: 600;
  font-size: 14px;
}

.chat-message-time {
  font-size: 12px;
  color: var(--color-ink-muted);
}

.chat-message-content {
  background: var(--color-surface-raised);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  display: inline-block;
  max-width: 80%;
}

.chat-input-area {
  display: flex;
  gap: 12px;
}

.chat-input-area .form-input {
  flex: 1;
}

/* Proposals */
.proposal {
  background: var(--color-surface-raised);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 16px;
}

.proposal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.proposal-title {
  font-size: 20px;
  margin-bottom: 8px;
}

.proposal-meta {
  font-size: 14px;
  color: var(--color-ink-muted);
}

.proposal-status {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
}

.proposal-status.open {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}

.proposal-status.closed {
  background: var(--color-surface-sunken);
  color: var(--color-ink-muted);
}

.proposal-description {
  margin-bottom: 20px;
  line-height: 1.7;
}

.proposal-votes {
  display: flex;
  gap: 24px;
  padding: 16px;
  background: var(--color-surface-sunken);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.vote-count {
  text-align: center;
}

.vote-count-number {
  font-size: 28px;
  font-weight: 700;
  font-family: 'Source Serif 4', serif;
}

.vote-count-label {
  font-size: 13px;
  color: var(--color-ink-muted);
  font-weight: 500;
}

.vote-count.consent .vote-count-number {
  color: var(--color-consent);
}

.vote-count.object .vote-count-number {
  color: var(--color-object);
}

.vote-count.stand-aside .vote-count-number {
  color: var(--color-stand-aside);
}

.proposal-vote-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.tab {
  padding: 12px 20px;
  font-weight: 500;
  color: var(--color-ink-muted);
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

.tab:hover {
  color: var(--color-ink);
}

.tab.active {
  color: var(--color-primary);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-secondary {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}

.badge-muted {
  background: var(--color-surface-sunken);
  color: var(--color-ink-muted);
}

/* Alert */
.alert {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.alert-error {
  background: #FEF2F2;
  color: var(--color-object);
  border: 1px solid #FECACA;
}

.alert-success {
  background: var(--color-secondary-light);
  color: var(--color-consent);
  border: 1px solid #BBF7D0;
}

.alert-info {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-ink-muted);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-ink);
}

.empty-state-text {
  margin-bottom: 24px;
}

/* Auth Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  background: var(--color-surface-raised);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 24px;
  margin: 0 auto 16px;
}

.auth-title {
  font-size: 24px;
  margin-bottom: 8px;
}

.auth-subtitle {
  color: var(--color-ink-muted);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-ink-muted);
}

/* Landing Page */
.landing-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
}

.landing-nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
}

.landing-nav-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.landing-nav-links {
  display: flex;
  gap: 16px;
}

.landing-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.landing-main {
  text-align: center;
  max-width: 600px;
}

.landing-title {
  font-size: 48px;
  margin-bottom: 24px;
  line-height: 1.2;
}

@media (max-width: 768px) {
  .landing-title {
    font-size: 32px;
  }
}

.landing-subtitle {
  font-size: 18px;
  color: var(--color-ink-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.landing-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Community Card */
.community-card {
  background: var(--color-surface-raised);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  transition: all 0.2s;
}

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

.community-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
}

.community-info {
  flex: 1;
}

.community-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.community-description {
  color: var(--color-ink-muted);
  font-size: 14px;
}

.community-stats {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--color-ink-muted);
  margin-top: 8px;
}

/* Channel List */
.channel-list {
  list-style: none;
}

.channel-item {
  margin-bottom: 4px;
}

.channel-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  color: var(--color-ink-muted);
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s;
}

.channel-link:hover,
.channel-link.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-ink-muted); }
.text-primary { color: var(--color-primary); }
.text-sm { font-size: 14px; }
.text-lg { font-size: 18px; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

.hidden { display: none; }

@media (max-width: 768px) {
  .hide-mobile { display: none; }
}