/* BlankWork - Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --black: #0a0a0a;
  --dark: #111111;
  --darker: #1a1a1a;
  --card: #1e1e1e;
  --border: #2a2a2a;
  --white: #ffffff;
  --gray: #888888;
  --light-gray: #cccccc;
  --accent: #ffffff;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --blue: #3b82f6;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--dark);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--white);
}

.navbar-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 6px;
}

.navbar-brand span {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

.navbar-nav a {
  color: var(--gray);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--white);
  background: var(--border);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.user-badge .balance {
  color: var(--green);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--white);
  color: var(--black);
}
.btn-primary:hover { background: #e5e5e5; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.05); }

.btn-danger {
  background: var(--red);
  color: white;
}
.btn-danger:hover { background: #dc2626; }

.btn-success {
  background: var(--green);
  color: white;
}
.btn-success:hover { background: #16a34a; }

.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.8rem; }
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; }

/* Hero */
.hero {
  text-align: center;
  padding: 6rem 2rem 4rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 1.5rem;
}

.hero-badge span { color: var(--green); font-weight: 600; }

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #fff 0%, #888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Stats Row */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-item .value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.stat-item .label {
  font-size: 0.8rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Section */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

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

.section-title {
  font-size: 1.4rem;
  font-weight: 700;
}

/* Task Cards */
.tasks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.task-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.task-card:hover {
  border-color: #444;
  transform: translateY(-2px);
  background: #222;
}

.task-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.task-type-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

.badge-boost {
  background: rgba(59,130,246,0.15);
  color: var(--blue);
  border: 1px solid rgba(59,130,246,0.3);
}

.badge-challenge {
  background: rgba(234,179,8,0.15);
  color: var(--yellow);
  border: 1px solid rgba(234,179,8,0.3);
}

.task-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.task-card p {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.task-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.task-reward {
  font-weight: 700;
  color: var(--green);
  font-size: 0.95rem;
}

.task-progress {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 0.75rem 0;
  overflow: hidden;
}

.task-progress-bar {
  height: 100%;
  background: var(--green);
  border-radius: 2px;
  transition: width 0.3s;
}

.task-slots {
  color: var(--gray);
  font-size: 0.8rem;
}

/* Status badges */
.status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-active { background: rgba(34,197,94,0.15); color: var(--green); border: 1px solid rgba(34,197,94,0.3); }
.status-pending { background: rgba(234,179,8,0.15); color: var(--yellow); border: 1px solid rgba(234,179,8,0.3); }
.status-completed { background: rgba(99,102,241,0.15); color: #818cf8; border: 1px solid rgba(99,102,241,0.3); }
.status-rejected { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }

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

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--light-gray);
  margin-bottom: 0.5rem;
}

input, select, textarea {
  width: 100%;
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  color: var(--white);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: #555;
  background: var(--dark);
}

select option { background: var(--darker); }

textarea { resize: vertical; min-height: 80px; }

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

/* Page layouts */
.page-header {
  padding: 2.5rem 2rem 1rem;
  max-width: 1100px;
  margin: 0 auto;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--gray);
  font-size: 0.95rem;
}

/* Live indicator */
.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Table */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--gray);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--darker);
  border-radius: 8px;
  padding: 0.25rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  flex: 1;
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  color: var(--gray);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
  font-family: inherit;
}

.tab-btn.active {
  background: var(--card);
  color: var(--white);
}

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

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
}

.auth-card .logo {
  text-align: center;
  margin-bottom: 1.5rem;
}

.auth-card .logo img {
  width: 70px;
  border-radius: 10px;
  margin-bottom: 0.5rem;
}

.auth-card .logo h2 {
  font-size: 1.5rem;
  font-weight: 800;
}

.auth-card .logo p {
  color: var(--gray);
  font-size: 0.875rem;
}

.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.25rem 0;
  color: var(--gray);
  font-size: 0.8rem;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Alert */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.alert-info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #93c5fd; }

/* Features grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.feature-card p { font-size: 0.85rem; color: var(--gray); line-height: 1.5; }

/* Deposit box */
.deposit-box {
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  font-family: monospace;
  font-size: 0.8rem;
  word-break: break-all;
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.copy-btn {
  background: var(--border);
  border: none;
  color: var(--white);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  white-space: nowrap;
  transition: background 0.2s;
}

.copy-btn:hover { background: #444; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-close {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 1.25rem;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover { color: var(--white); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray);
}

.empty-state .emoji { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { font-size: 1.1rem; color: var(--white); margin-bottom: 0.5rem; }

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.4rem 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--gray);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.filter-btn.active {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* Task detail */
.task-detail-header {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 0.5rem;
}

/* Admin stats */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.admin-stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.admin-stat-card .num {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.admin-stat-card .lbl {
  font-size: 0.8rem;
  color: var(--gray);
  margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 640px) {
  .navbar { padding: 0.75rem 1rem; }
  .navbar-brand span { font-size: 1.1rem; }
  .hero { padding: 4rem 1rem 2rem; }
  .section { padding: 2rem 1rem; }
  .tasks-grid { grid-template-columns: 1fr; }
  .features { padding: 0 1rem 3rem; }
  .page-header { padding: 1.5rem 1rem 0.5rem; }
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.hidden { display: none !important; }