/* Mining Lab - Main Stylesheet | Coderobotics.com */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;0,14..32,900&display=swap');

:root {
  --primary:    #f0b90b;
  --primary-d:  #d4a017;
  --dark:       #0f0f1a;
  --dark2:      #1a1a2e;
  --dark3:      #252540;
  --dark4:      #2a2a4a;
  --text:       #e0e0e0;
  --text-muted: #888;
  --success:    #00b894;
  --danger:     #ff4d4d;
  --warning:    #fdcb6e;
  --info:       #74b9ff;
  --radius:     8px;
  --shadow:     0 4px 20px rgba(0,0,0,.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', 'Segoe UI', system-ui, sans-serif; background: var(--dark); color: var(--text); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-d); }
img { max-width: 100%; }

/* ─── Layout ─────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.row { display: flex; flex-wrap: wrap; gap: 20px; align-items: stretch; }
.col { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.col-2 { flex: 0 0 calc(50% - 10px); }
.col-3 { flex: 0 0 calc(33.333% - 14px); }
.col-4 { flex: 0 0 calc(25% - 15px); }

/* ─── Typography ─────────────────────────────── */
h1,h2,h3,h4,h5,h6 { line-height: 1.3; font-weight: 700; }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }
p  { color: var(--text-muted); }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }

/* ─── Buttons ────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 22px; border-radius: var(--radius); font-weight: 600; font-size: .92rem; cursor: pointer; border: none; transition: all .2s; }
.btn-primary  { background: var(--primary); color: #000; }
.btn-primary:hover { background: var(--primary-d); color: #000; transform: translateY(-1px); }
.btn-outline  { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #000; }
.btn-danger   { background: var(--danger); color: #fff; }
.btn-success  { background: var(--success); color: #fff; }
.btn-sm       { padding: 6px 14px; font-size: .82rem; }
.btn-lg       { padding: 14px 32px; font-size: 1.05rem; }
.btn-block    { display: flex; width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ─── Cards ──────────────────────────────────── */
.card { background: var(--dark2); border: 1px solid var(--dark4); border-radius: 12px; padding: 24px; }
.col > .card { flex: 1; }
.card-header { border-bottom: 1px solid var(--dark4); padding-bottom: 16px; margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; }
.card-title { font-size: 1.05rem; font-weight: 700; margin: 0; }

/* ─── Forms ──────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: .85rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 500; }
.form-control { width: 100%; padding: 10px 14px; background: var(--dark); border: 1px solid var(--dark4); border-radius: var(--radius); color: var(--text); font-size: .95rem; transition: border-color .2s; }
.form-control:focus { outline: none; border-color: var(--primary); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
.form-text { font-size: .78rem; color: var(--text-muted); margin-top: 4px; }
.input-group { display: flex; }
.input-group .form-control { border-radius: var(--radius) 0 0 var(--radius); }
.input-group .input-addon { background: var(--dark3); border: 1px solid var(--dark4); border-left: none; padding: 10px 14px; border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-muted); font-size: .88rem; white-space: nowrap; display: flex; align-items: center; }
.form-check { display: flex; align-items: center; gap: 8px; font-size: .9rem; cursor: pointer; }
.form-check input { width: 16px; height: 16px; cursor: pointer; accent-color: var(--primary); }

/* ─── Alerts ─────────────────────────────────── */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: .9rem; display: flex; align-items: flex-start; gap: 10px; position: relative; }
.alert-success { background: #00b89420; border: 1px solid #00b89450; color: var(--success); }
.alert-danger  { background: #ff4d4d20; border: 1px solid #ff4d4d50; color: var(--danger); }
.alert-warning { background: #fdcb6e20; border: 1px solid #fdcb6e50; color: var(--warning); }
.alert-info    { background: #74b9ff20; border: 1px solid #74b9ff50; color: var(--info); }
.close-alert   { background: none; border: none; color: inherit; cursor: pointer; margin-left: auto; font-size: 1.1rem; padding: 0 4px; opacity: .7; }
.close-alert:hover { opacity: 1; }

/* ─── Badges ─────────────────────────────────── */
.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.badge-success   { background: #00b89425; color: var(--success); }
.badge-danger    { background: #ff4d4d25; color: var(--danger); }
.badge-warning   { background: #fdcb6e25; color: var(--warning); }
.badge-info      { background: #74b9ff25; color: var(--info); }
.badge-primary   { background: #f0b90b25; color: var(--primary); }
.badge-secondary { background: var(--dark3); color: var(--text-muted); }

/* ─── Tables ─────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.table th { background: var(--dark3); color: var(--text-muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--dark4); }
.table td { padding: 12px 14px; border-bottom: 1px solid var(--dark4); color: var(--text); vertical-align: middle; }
.table tbody tr:hover { background: var(--dark3); }
.table tbody tr:last-child td { border-bottom: none; }

/* ─── Stats ──────────────────────────────────── */
.stat-card { background: var(--dark2); border: 1px solid var(--dark4); border-radius: 12px; padding: 20px 24px; }
.col > .stat-card { flex: 1; }
.stat-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 12px; }
.stat-label { font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); font-weight: 600; }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--text); margin-top: 4px; }
.stat-change { font-size: .78rem; margin-top: 4px; }

/* ─── Nav ────────────────────────────────────── */
.navbar { background: var(--dark2); border-bottom: 1px solid var(--dark4); padding: 0 20px; position: sticky; top: 0; z-index: 1000; }
.navbar-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; height: 62px; gap: 24px; }
.navbar-brand { font-size: 1.35rem; font-weight: 800; color: var(--primary) !important; display: flex; align-items: center; gap: 8px; }
.navbar-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-link { padding: 8px 12px; border-radius: var(--radius); color: var(--text-muted); font-size: .9rem; font-weight: 500; transition: all .2s; }
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--primary)15; }

/* ─── App Layout ─────────────────────────────── */
.layout { display: flex; flex-direction: column; min-height: 100vh; }
.main-content { flex: 1; }
.page-content { padding: 28px; max-width: 1440px; margin: 0 auto; width: 100%; }
.page-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.page-sub { color: var(--text-muted); font-size: .88rem; margin-bottom: 24px; }

/* ─── Top Nav ────────────────────────────────── */
.top-nav { background: var(--dark2); border-bottom: 1px solid var(--dark4); position: sticky; top: 0; z-index: 500; overflow: visible; }
.top-nav-inner { display: flex; align-items: center; height: 62px; padding: 0 20px; gap: 4px; }
.nav-logo { font-size: 1.1rem; font-weight: 800; color: var(--primary) !important; white-space: nowrap; margin-right: 14px; flex-shrink: 0; display: flex; align-items: center; gap: 6px; letter-spacing: -.3px; }
.nav-items { display: flex; align-items: center; gap: 2px; flex: 1; overflow: visible; }
.nav-item { display: inline-flex; align-items: center; gap: 5px; padding: 7px 11px; border-radius: var(--radius); color: var(--text-muted); font-size: .83rem; font-weight: 500; white-space: nowrap; transition: all .2s; flex-shrink: 0; }
.nav-item:hover, .nav-item.active { color: var(--primary); background: rgba(240,185,11,.1); }
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: 8px; flex-shrink: 0; }
.nav-notif-btn { position: relative; color: var(--text-muted); font-size: 1.1rem; line-height: 1; padding: 6px 8px; border-radius: var(--radius); transition: background .2s; }
.nav-notif-btn:hover { background: var(--dark3); }
.notif-dot { position: absolute; top: 2px; right: 2px; background: var(--danger); color: #fff; border-radius: 50%; width: 15px; height: 15px; font-size: .58rem; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.nav-user-menu { position: relative; }
.nav-user-trigger { display: flex; align-items: center; gap: 7px; background: none; border: none; color: var(--text); cursor: pointer; padding: 6px 10px; border-radius: var(--radius); transition: background .2s; font-family: inherit; font-size: .83rem; font-weight: 500; }
.nav-user-trigger:hover { background: var(--dark3); }
.nav-dropdown { display: none; position: absolute; right: 0; top: calc(100% + 8px); background: var(--dark2); border: 1px solid var(--dark4); border-radius: 10px; min-width: 190px; box-shadow: var(--shadow); z-index: 200; overflow: hidden; }
.nav-dropdown.open { display: block; }
.nav-dropdown-item { display: flex; align-items: center; gap: 9px; padding: 10px 16px; color: var(--text-muted); font-size: .84rem; transition: background .15s; }
.nav-dropdown-item:hover { background: var(--dark3); color: var(--text); }
.nav-dropdown-divider { border: none; border-top: 1px solid var(--dark4); margin: 4px 0; }
.nav-group { position: relative; flex-shrink: 0; }
.nav-group-trigger { display: inline-flex; align-items: center; gap: 5px; padding: 7px 11px; border-radius: var(--radius); color: var(--text-muted); font-size: .83rem; font-weight: 500; white-space: nowrap; cursor: pointer; background: none; border: none; font-family: inherit; transition: all .2s; }
.nav-group-trigger:hover, .nav-group.open .nav-group-trigger { color: var(--primary); background: rgba(240,185,11,.1); }
.nav-group-dropdown { display: none; position: absolute; top: calc(100% + 6px); left: 0; background: var(--dark2); border: 1px solid var(--dark4); border-radius: 10px; min-width: 185px; box-shadow: var(--shadow); z-index: 200; overflow: hidden; }
.nav-group.open .nav-group-dropdown { display: block; }

/* ─── Pagination ─────────────────────────────── */
.pagination { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 20px; }
.page-link { display: inline-flex; align-items: center; justify-content: center; min-width: 34px; height: 34px; padding: 0 10px; border-radius: var(--radius); background: var(--dark3); border: 1px solid var(--dark4); color: var(--text-muted); font-size: .85rem; transition: all .2s; }
.page-link:hover { border-color: var(--primary); color: var(--primary); }
.page-link.active { background: var(--primary); color: #000; border-color: var(--primary); font-weight: 700; }

/* ─── Progress Bar ───────────────────────────── */
.progress { background: var(--dark3); border-radius: 20px; height: 8px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: 20px; transition: width .5s; }
.progress-bar.success { background: var(--success); }
.progress-bar.danger  { background: var(--danger); }

/* ─── Modal ──────────────────────────────────── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 2000; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal { background: var(--dark2); border: 1px solid var(--dark4); border-radius: 14px; width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; }
.modal-header { padding: 20px 24px 16px; border-bottom: 1px solid var(--dark4); display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-size: 1.05rem; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 1.3rem; cursor: pointer; }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--dark4); display: flex; gap: 10px; justify-content: flex-end; }

/* ─── Auth Pages ─────────────────────────────── */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: radial-gradient(ellipse at top left, #1a1a2e 0%, var(--dark) 60%); }
.auth-box { background: var(--dark2); border: 1px solid var(--dark4); border-radius: 16px; padding: 40px; width: 100%; max-width: 440px; }
.auth-logo { text-align: center; font-size: 1.6rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.auth-sub { text-align: center; color: var(--text-muted); font-size: .88rem; margin-bottom: 28px; }
.auth-divider { text-align: center; color: var(--text-muted); font-size: .82rem; margin: 16px 0; position: relative; }
.auth-divider::before, .auth-divider::after { content: ''; position: absolute; top: 50%; width: 42%; height: 1px; background: var(--dark4); }
.auth-divider::before { left: 0; }
.auth-divider::after  { right: 0; }

/* ─── Plan Cards ─────────────────────────────── */
.plan-card { background: var(--dark2); border: 1px solid var(--dark4); border-radius: 14px; padding: 28px; text-align: center; transition: all .25s; position: relative; overflow: hidden; }
.plan-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow); }
.plan-card.popular { border-color: var(--primary); }
.plan-badge { position: absolute; top: 0; right: 0; background: var(--primary); color: #000; font-size: .72rem; font-weight: 700; padding: 4px 12px; border-radius: 0 14px 0 12px; }
.plan-name { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.plan-price { font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.plan-price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.plan-roi { font-size: .95rem; color: var(--success); margin: 8px 0; font-weight: 600; }
.plan-duration { color: var(--text-muted); font-size: .85rem; margin-bottom: 20px; }
.plan-features { list-style: none; margin-bottom: 24px; }
.plan-features li { padding: 6px 0; border-bottom: 1px solid var(--dark4); font-size: .85rem; color: var(--text-muted); }
.plan-features li:last-child { border: none; }
.plan-features li::before { content: '✓ '; color: var(--success); font-weight: 700; }

/* ─── Wallet Cards ───────────────────────────── */
.wallet-card { border-radius: 12px; padding: 20px; position: relative; overflow: hidden; }
.wallet-card.deposit  { background: linear-gradient(135deg, #1a1a3e, #252560); border: 1px solid #3a3a6a; }
.wallet-card.earnings { background: linear-gradient(135deg, #1a2e1a, #253525); border: 1px solid #3a6a3a; }
.wallet-label { font-size: .75rem; text-transform: uppercase; letter-spacing: 1px; opacity: .7; margin-bottom: 6px; }
.wallet-amount { font-size: 2rem; font-weight: 800; }
.wallet-icon { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 3rem; opacity: .1; }

/* ─── Mobile Nav ─────────────────────────────── */
.nav-hamburger { display: none; background: none; border: none; color: var(--text); font-size: 1.25rem; cursor: pointer; padding: 7px 9px; border-radius: var(--radius); transition: background .2s; flex-shrink: 0; line-height: 1; }
.nav-hamburger:hover { background: var(--dark3); }

/* ─── Responsive ─────────────────────────────── */
@media (max-width: 900px) {
  .nav-hamburger { display: flex; align-items: center; margin-left: auto; }
  .nav-items { display: none; position: absolute; top: 62px; left: 0; right: 0; background: var(--dark2); border-bottom: 1px solid var(--dark4); flex-direction: column; padding: 4px 0; z-index: 1; max-height: calc(100vh - 62px); overflow-y: auto; box-shadow: 0 8px 24px rgba(0,0,0,.3); }
  .nav-items.mobile-open { display: flex; }
  .nav-items .nav-item { padding: 12px 20px; font-size: .88rem; border-radius: 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,.04); }
  .nav-group { width: 100%; border-bottom: 1px solid rgba(255,255,255,.04); }
  .nav-group-trigger { width: 100%; padding: 12px 20px; font-size: .88rem; border-radius: 0; justify-content: space-between; }
  .nav-group-dropdown { position: static; box-shadow: none; border: none; border-radius: 0; background: rgba(0,0,0,.15); min-width: unset; width: 100%; }
  .nav-group-dropdown .nav-dropdown-item { padding: 10px 20px 10px 36px; }
  .nav-username { display: none; }
}

@media (max-width: 768px) {
  .col, .col-2, .col-3, .col-4 { flex: 0 0 100%; }
  h1 { font-size: 1.7rem; }
  .auth-box { padding: 28px 20px; }
  .page-content { padding: 16px; }
  .plan-card { margin-bottom: 16px; }
  .nav-logo span { display: none; }
  .wallet-amount { font-size: 1.5rem; }
  .stat-value { font-size: 1.35rem; }
  .card-header { flex-wrap: wrap; gap: 8px; }
  .modal { max-width: 100%; margin: 0; border-radius: 14px 14px 0 0; }
  .modal-overlay { align-items: flex-end; padding: 0; }
}

/* ─── Utilities ──────────────────────────────── */
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.p-0{padding:0}.p-1{padding:8px}.p-2{padding:16px}.p-3{padding:24px}
.d-flex{display:flex}.align-center{align-items:center}.justify-between{justify-content:space-between}
.gap-1{gap:8px}.gap-2{gap:16px}.gap-3{gap:24px}
.w-100{width:100%}.hidden{display:none !important}
.rounded{border-radius:var(--radius)}.rounded-full{border-radius:50%}
.shadow{box-shadow:var(--shadow)}
.separator{border:none;border-top:1px solid var(--dark4);margin:20px 0}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--dark3);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:var(--primary);flex-shrink:0}
.copy-btn{cursor:pointer;color:var(--primary);font-size:.8rem;margin-left:6px}
.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}
.empty-state .icon{font-size:3rem;margin-bottom:12px;opacity:.4}
.loading{display:inline-block;width:18px;height:18px;border:2px solid var(--dark4);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ticker{display:flex;gap:20px;overflow:hidden;padding:8px 0}
.ticker-item{display:flex;align-items:center;gap:6px;white-space:nowrap;font-size:.82rem}