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

:root {
  --bg-dark: #080a12;
  --bg-darker: #0a0d17;
  --bg-panel: #111827;
  --bg-panel-light: #1a202c;
  --text-primary: #eef3ff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.1);
  --cyan: #22d3ee;
  --cyan-dark: #06b6d4;
  --violet: #5865f2;
  --violet-dark: #4752c4;
  --accent: linear-gradient(135deg, #5865f2, #22d3ee);
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', sans-serif;
  background: linear-gradient(135deg, #080a12, #0f1420 50%, #0a0d17);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

#app {
  min-height: 100vh;
}

/* Utilities */
.hidden {
  display: none !important;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  font-family: inherit;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(88, 101, 242, 0.3);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn-small {
  padding: 8px 16px;
  font-size: 12px;
}

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

.auth-box {
  width: 100%;
  max-width: 420px;
  padding: 48px 32px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.6), rgba(10, 13, 23, 0.6));
  backdrop-filter: blur(10px);
}

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

.auth-logo {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  margin-bottom: 16px;
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.3);
}

.auth-header h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.auth-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
}

.auth-tab {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.auth-tab.active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-form input {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-family: inherit;
  transition: var(--transition);
}

.auth-form input:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(255, 255, 255, 0.08);
}

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

.auth-footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Navigation */
.support-nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(8, 10, 18, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
}

.nav-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.3);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-name {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
}

/* Support Container */
.support-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 64px);
}

/* Sidebar */
.support-sidebar {
  border-right: 1px solid var(--border-color);
  background: rgba(17, 24, 39, 0.3);
  padding: 32px 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-section h3 {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-link {
  padding: 10px 12px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
  text-align: left;
  font-family: inherit;
  text-decoration: none;
  display: block;
}

.sidebar-link:hover {
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.1);
}

.sidebar-link.active {
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.15);
  border-left: 3px solid var(--cyan);
  padding-left: 9px;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.sidebar-footer p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* Main Content */
.support-main {
  padding: 40px;
  overflow-y: auto;
}

.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 24px;
}

.view-header h2 {
  font-size: 32px;
  font-weight: 800;
}

/* Tickets List */
.tickets-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ticket-item {
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: rgba(17, 24, 39, 0.4);
  cursor: pointer;
  transition: var(--transition);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
}

.ticket-item:hover {
  background: rgba(17, 24, 39, 0.6);
  border-color: var(--cyan);
}

.ticket-item-info h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.ticket-item-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge-open {
  background: rgba(34, 211, 238, 0.2);
  color: var(--cyan);
}

.badge-in-progress {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.badge-waiting {
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
}

.badge-resolved {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.empty-state {
  padding: 60px 32px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state p:first-child {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* Ticket Form */
.ticket-form {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: rgba(17, 24, 39, 0.4);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(17, 24, 39, 0.6);
}

.form-group select {
  cursor: pointer;
}

#charCount {
  font-size: 12px;
  align-self: flex-end;
}

.form-actions {
  display: flex;
  gap: 12px;
  padding-top: 12px;
}

/* Ticket Detail */
.ticket-detail {
  max-width: 900px;
}

.ticket-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.ticket-header h2 {
  font-size: 24px;
  font-weight: 800;
}

.ticket-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  padding: 24px;
  background: rgba(17, 24, 39, 0.4);
  border-radius: 12px;
  margin-bottom: 32px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-item .label {
  font-weight: 700;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
}

.ticket-messages {
  margin-bottom: 32px;
}

.ticket-messages h3 {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 16px;
}

.messages-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.message {
  padding: 16px;
  border-radius: 8px;
  background: rgba(17, 24, 39, 0.4);
  border: 1px solid var(--border-color);
}

.message.admin {
  border-left: 3px solid var(--cyan);
  background: rgba(34, 211, 238, 0.05);
}

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

.message-author {
  font-weight: 700;
}

.message-author.admin {
  color: var(--cyan);
}

.message-time {
  color: var(--text-muted);
  font-size: 12px;
  margin-left: auto;
}

.message-content {
  color: var(--text-secondary);
  line-height: 1.7;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.reply-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reply-form textarea {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: rgba(17, 24, 39, 0.4);
  color: var(--text-primary);
  font-family: inherit;
  resize: vertical;
  min-height: 100px;
}

.reply-form textarea:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(17, 24, 39, 0.6);
}

/* Admin Dashboard */
.filter-controls {
  display: flex;
  gap: 12px;
}

.filter-controls select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: rgba(17, 24, 39, 0.4);
  color: var(--text-primary);
  font-family: inherit;
  cursor: pointer;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  padding: 24px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(88, 101, 242, 0.1));
  text-align: center;
}

.stat-number {
  font-size: 40px;
  font-weight: 900;
  color: var(--cyan);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
  .support-container {
    grid-template-columns: 240px 1fr;
  }

  .support-main {
    padding: 32px 24px;
  }
}

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

  .support-sidebar {
    position: fixed;
    left: -280px;
    top: 64px;
    width: 280px;
    height: calc(100vh - 64px);
    z-index: 50;
    border-right: 1px solid var(--border-color);
    transition: left 0.3s ease;
    background: var(--bg-panel);
  }

  .support-sidebar.open {
    left: 0;
  }

  .support-main {
    padding: 24px 16px;
  }

  .view-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .auth-box {
    padding: 32px 20px;
  }

  .ticket-meta {
    grid-template-columns: 1fr;
  }
}