/* 液态玻璃 UI - Tski用户中心 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: rgba(0, 0, 0, 0.25);
  --glass-blur: 20px;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.4);
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #e17055;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.45);
  --bg-dark: #0a0a1a;
  --bg-gradient: linear-gradient(135deg, #0c0c1d 0%, #1a1a3e 50%, #0d0d2b 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 20% 20%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 184, 148, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(162, 155, 254, 0.08) 0%, transparent 60%);
  animation: bgFloat 20s ease-in-out infinite;
  z-index: -1;
}

@keyframes bgFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -2%) rotate(1deg); }
  66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* Glass Card Base */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 
    0 8px 32px var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 
    0 12px 40px var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  box-shadow: 
    0 8px 32px var(--glass-shadow),
    inset 0 2px 0 rgba(255, 255, 255, 0.12);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 26, 0.6);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar .logo {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar .nav-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
}

.navbar .nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
  color: var(--text-primary);
  background: rgba(108, 92, 231, 0.2);
}

.navbar .nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar .nav-user .points-badge {
  background: linear-gradient(135deg, var(--accent), #a29bfe);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Main Layout */
.main-content {
  margin-top: 64px;
  padding: 2rem;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Grid System */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .navbar { padding: 0 1rem; }
  .main-content { padding: 1rem; }
}

/* Cards */
.card {
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* Stat Cards */
.stat-value {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, rgba(255,255,255,0.7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #5a4bd1);
  color: white;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
}

.btn-success { background: linear-gradient(135deg, var(--success), #00a884); color: white; }
.btn-danger { background: linear-gradient(135deg, var(--danger), #d63031); color: white; }
.btn-warning { background: linear-gradient(135deg, var(--warning), #e17055); color: #333; }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; border-radius: 8px; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; border-radius: 12px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* Form Elements */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: all 0.2s;
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
  background: rgba(255, 255, 255, 0.1);
}

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

.form-textarea { resize: vertical; min-height: 100px; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff80' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select option { background: #1a1a3e; color: white; }

/* Tables */
.table-wrap { overflow-x: auto; border-radius: 12px; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr:hover { background: rgba(255, 255, 255, 0.04); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
}

.badge-success { background: rgba(0, 184, 148, 0.2); color: var(--success); }
.badge-warning { background: rgba(253, 203, 110, 0.2); color: var(--warning); }
.badge-danger { background: rgba(225, 112, 85, 0.2); color: var(--danger); }
.badge-info { background: rgba(108, 92, 231, 0.2); color: var(--accent-light); }
.badge-neutral { background: rgba(255, 255, 255, 0.1); color: var(--text-secondary); }

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  border: none;
  background: none;
  font-family: inherit;
}

.tab:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.tab.active { color: white; background: var(--accent); }

/* Project Cards */
.project-card {
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.project-card.locked {
  opacity: 0.5;
  filter: grayscale(0.5);
}

.project-card.locked::after {
  content: '🔒 无权限';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 16px;
}

.project-card .project-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #5a4bd1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.project-card .project-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.project-card .project-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Announcement List */
.announcement-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.announcement-item:last-child { border-bottom: none; }

.announcement-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.4rem;
  flex-shrink: 0;
}

.announcement-item .ann-title {
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.announcement-item .ann-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Steps / Progress */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem 0;
  position: relative;
}

.step-indicator {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step.pending .step-indicator {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.15);
  color: var(--text-muted);
}

.step.active .step-indicator {
  background: var(--accent);
  border: 2px solid var(--accent-light);
  color: white;
  animation: pulse 2s ease-in-out infinite;
}

.step.done .step-indicator {
  background: var(--success);
  border: 2px solid var(--success);
  color: white;
}

.step-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-top: 0.35rem;
}

.step.active .step-text { color: var(--text-primary); font-weight: 500; }
.step.done .step-text { color: var(--success); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 0 8px transparent; }
}

/* Slider Captcha */
.captcha-container {
  position: relative;
  width: 100%;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.captcha-track {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(108, 92, 231, 0.3), rgba(108, 92, 231, 0.1));
  transition: width 0.1s;
  border-radius: 10px 0 0 10px;
}

.captcha-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), #5a4bd1);
  border-radius: 8px;
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: left 0.1s;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.captcha-thumb:active { cursor: grabbing; }

.captcha-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  pointer-events: none;
}

/* Toast */
.toast-container {
  position: fixed;
  top: 80px;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  font-size: 0.85rem;
  animation: slideIn 0.3s ease;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  min-width: 250px;
}

.toast-success { background: rgba(0, 184, 148, 0.2); border-color: rgba(0,184,148,0.3); }
.toast-error { background: rgba(225, 112, 85, 0.2); border-color: rgba(225,112,85,0.3); }
.toast-info { background: rgba(108, 92, 231, 0.2); border-color: rgba(108,92,231,0.3); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show { display: flex; }

.modal {
  width: 90%;
  max-width: 500px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2rem;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { transform: scale(0.95) translateY(10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.modal-title { font-size: 1.125rem; font-weight: 600; }

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* Lottery */
.lottery-wheel {
  width: 260px;
  height: 260px;
  margin: 0 auto 1.5rem;
  position: relative;
}

.lottery-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(
    #6c5ce7 0deg 45deg,
    #a29bfe 45deg 90deg,
    #6c5ce7 90deg 135deg,
    #a29bfe 135deg 180deg,
    #6c5ce7 180deg 225deg,
    #a29bfe 225deg 270deg,
    #6c5ce7 270deg 315deg,
    #a29bfe 315deg 360deg
  );
  border: 3px solid rgba(255,255,255,0.2);
  transition: transform 4s cubic-bezier(0.17, 0.67, 0.12, 0.99);
}

.lottery-pointer {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  z-index: 1;
}

/* Chat / Ticket */
.chat-messages {
  max-height: 400px;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-msg {
  max-width: 75%;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.5;
}

.chat-msg.user {
  align-self: flex-end;
  background: var(--accent);
  border-bottom-right-radius: 4px;
}

.chat-msg.admin {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.1);
  border-bottom-left-radius: 4px;
}

.chat-msg .msg-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.chat-input-area {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Auth Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
}

.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo h1 {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-logo p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--accent-light);
  text-decoration: none;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

/* Animations */
.fade-in { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Utility */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-accent { color: var(--accent-light); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none !important; }

/* Disabled download card overlay */
.download-disabled-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  border-radius: 16px;
  z-index: 5;
}

.download-disabled-overlay .lock-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Sign-in animation */
.sign-success {
  animation: signPop 0.5s ease;
}

@keyframes signPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}