/* ── Reset & Base ────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* Prevent horizontal scroll on mobile */
  width: 100%;
}

a { color: var(--yellow); text-decoration: none; }
a:hover { color: var(--yellow-hover); }

::selection { background: var(--yellow); color: #000; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ── Layout ──────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 24px;
  min-height: 100vh;
  transition: margin-left 0.3s ease;
}

/* ── Sidebar ──────────────────────────────────────────── */
.sidebar {
  position: fixed;
  left: 0; top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform 0.3s ease, width 0.3s ease;
}

.sidebar-logo {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--yellow);
}

.sidebar-logo svg { width: 28px; height: 28px; flex-shrink: 0; }

.sidebar-nav { flex: 1; padding: 8px 0; overflow-y: auto; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  color: var(--yellow);
  background: var(--yellow-bg);
  border-left-color: var(--yellow);
}

.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }

.nav-divider {
  height: 1px;
  background: var(--border-color);
  margin: 8px 16px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.sidebar-user:hover { background: var(--bg-hover); }

.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--yellow);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #000;
  flex-shrink: 0;
}

.user-info { overflow: hidden; }
.user-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--text-tertiary); }

.user-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 16px; width: calc(100% - 32px);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 200;
}

.user-menu.show {
  opacity: 1; visibility: visible; transform: translateY(0);
}

.menu-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 10px 12px;
  background: transparent; border: none;
  font-family: var(--font); font-size: 13px; font-weight: 500;
  color: var(--text-primary); cursor: pointer;
  border-radius: var(--radius-sm); transition: var(--transition);
  text-align: left;
}
.menu-item:hover { background: var(--bg-hover); }
.menu-item.text-red { color: var(--red); }


/* ── Account Selector ─────────────────────────────────── */
.account-selector {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.account-selector select {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  cursor: pointer;
}

.account-selector select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--yellow);
  color: #0b0e11;
}
.btn-primary:hover:not(:disabled) { background: var(--yellow-hover); }

.btn-buy {
  background: var(--green);
  color: #fff;
}
.btn-buy:hover:not(:disabled) { background: var(--green-hover); }

.btn-sell {
  background: var(--red);
  color: #fff;
}
.btn-sell:hover:not(:disabled) { background: var(--red-hover); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}
.btn-outline:hover:not(:disabled) { border-color: var(--yellow); color: var(--yellow); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover:not(:disabled) { color: var(--text-primary); background: var(--bg-hover); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 16px; }
.btn-block { width: 100%; }

/* ── Inputs ───────────────────────────────────────────── */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.input, input[type="text"], input[type="password"], input[type="number"], input[type="email"], select.input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  width: 100%;
}

.input:focus, input:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px var(--yellow-bg);
}

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

.input-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.input-row > * { flex: 1; }

.input-with-suffix {
  position: relative;
}

.input-suffix {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 500;
}

/* ── Tables ───────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

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

thead th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
}

tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  white-space: nowrap;
}

tbody tr:hover { background: var(--bg-hover); }
tbody tr:last-child td { border-bottom: none; }

.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-yellow { color: var(--yellow); }
.text-secondary { color: var(--text-secondary); }

/* ── Tabs ─────────────────────────────────────────────── */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  gap: 0;
  margin-bottom: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--yellow); border-bottom-color: var(--yellow); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Cards ────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

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

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* ── Stat Cards ───────────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
}

.stat-card:hover { border-color: var(--border-light); transform: translateY(-2px); }

.stat-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 8px; }
.stat-value { font-size: 24px; font-weight: 700; }
.stat-change { font-size: 12px; margin-top: 4px; }

/* ── Modal ────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.show { opacity: 1; visibility: visible; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 24px;
  width: 90%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.modal-overlay.show .modal { transform: scale(1); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

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

.modal-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg-hover);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}

.modal-close:hover { background: var(--bg-active); color: var(--text-primary); }

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ── Toast ────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 20px; right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  min-width: 300px;
  max-width: 450px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.warning { border-left: 3px solid var(--yellow); }
.toast.info { border-left: 3px solid #3b82f6; }

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

/* ── Badge ────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.badge-green { background: var(--green-bg); color: var(--green); }
.badge-red { background: var(--red-bg); color: var(--red); }
.badge-yellow { background: var(--yellow-bg); color: var(--yellow); }
.badge-gray { background: var(--bg-hover); color: var(--text-secondary); }

/* ── Loading ──────────────────────────────────────────── */
.spinner {
  width: 24px; height: 24px;
  border: 2px solid var(--border-color);
  border-top-color: var(--yellow);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 14, 17, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
}

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

.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.3; }
.empty-state p { font-size: 14px; }

/* ── Page Header ──────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title { font-size: 22px; font-weight: 700; }

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { 
    transform: translateX(-100%);
    box-shadow: 20px 0 50px rgba(0,0,0,0.5);
  }
  .sidebar.show { 
    transform: translateX(0);
  }
  .main-content { 
    margin-left: 0; 
    padding: 12px;
    padding-top: 60px; /* Space for mobile header */
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
  }
  .sidebar-overlay.show { display: block; }

  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 50px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 16px;
    z-index: 900;
  }

  .hamburger {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
  }

  .card-grid { grid-template-columns: 1fr; }
  .input-row { flex-direction: column; }
  .input-row > * { width: 100%; }
  
  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .account-selector {
    margin-bottom: 0;
    width: 100%;
  }

  .table-wrapper {
    margin: 0 -12px;
    border-radius: 0;
    border-left: none;
    border-right: none;
    padding-bottom: 8px;
  }
}

@media (min-width: 769px) {
  .mobile-header, .sidebar-overlay { display: none !important; }
}

/* ── Checkbox / Toggle ────────────────────────────────── */
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px 0;
  -webkit-tap-highlight-color: transparent;
}

.checkbox-row input[type="checkbox"] {
  appearance: none;
  width: 16px; height: 16px;
  border: 1px solid var(--border-light);
  border-radius: 3px;
  background: var(--bg-input);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.checkbox-row input[type="checkbox"]:checked {
  background: var(--yellow);
  border-color: var(--yellow);
}

.checkbox-row input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: -1px; left: 2px;
  font-size: 12px;
  color: #000;
  font-weight: 700;
}

/* ── Progress bar ─────────────────────────────────────── */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--bg-input);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--yellow);
  border-radius: 2px;
  transition: width 0.3s ease;
}