/* ===================================================================
   DeepAlpha Cloud — Dashboard Stylesheet
   =================================================================== */

/* --- Variables --- */
:root {
  --bg:          #0f0f1a;
  --bg-card:     #161625;
  --bg-sidebar:  #12121f;
  --bg-input:    #1a1a2e;
  --green:       #00d4aa;
  --green-dim:   rgba(0, 212, 170, 0.15);
  --red:         #ff4d6a;
  --red-dim:     rgba(255, 77, 106, 0.15);
  --purple:      #7B61FF;
  --purple-dim:  rgba(123, 97, 255, 0.15);
  --yellow:      #ffc107;
  --text:        #e4e4ed;
  --text-dim:    #8888a4;
  --border:      #252540;
  --radius:      10px;
  --radius-sm:   6px;
  --transition:  0.2s ease;
  --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sidebar-w:   240px;
}

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

html { font-size: 15px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: #33e0bf; }

img { max-width: 100%; }

/* ===================================================================
   LOGIN PAGE
   =================================================================== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: var(--bg);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(123,97,255,0.08) 0%, transparent 60%);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px 32px;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.login-logo .logo-deep { color: var(--text); }
.login-logo .logo-alpha { color: var(--green); }
.login-logo p { color: var(--text-dim); font-size: 0.85rem; margin-top: 4px; }

/* Tabs */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 10px 0;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dim);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.auth-tab:hover { color: var(--text); }
.auth-tab.active { color: var(--green); border-bottom-color: var(--green); }

/* Forms */
.auth-form { display: none; }
.auth-form.active { display: block; }

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  padding: 11px 14px;
  font-size: 0.9rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition);
}

.form-group input::placeholder { color: #555570; }
.form-group input:focus { border-color: var(--purple); }

/* Messages */
.form-message {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 18px;
  display: none;
}

.form-message.error {
  display: block;
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(255,77,106,0.3);
}

.form-message.success {
  display: block;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(0,212,170,0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  width: 100%;
  background: var(--green);
  color: #0f0f1a;
}
.btn-primary:hover:not(:disabled) {
  background: #00e6b8;
  box-shadow: 0 0 20px rgba(0,212,170,0.25);
}

.btn-danger {
  background: var(--red);
  color: #fff;
}
.btn-danger:hover:not(:disabled) {
  background: #ff6680;
  box-shadow: 0 0 20px rgba(255,77,106,0.25);
}

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

.btn-purple {
  background: var(--purple);
  color: #fff;
}
.btn-purple:hover:not(:disabled) {
  background: #8f77ff;
  box-shadow: 0 0 20px rgba(123,97,255,0.3);
}

.btn-sm { padding: 7px 16px; font-size: 0.8rem; }

.forgot-link {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.forgot-link:hover { color: var(--green); }


/* ===================================================================
   DASHBOARD LAYOUT
   =================================================================== */
.dashboard {
  display: flex;
  min-height: 100vh;
}

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

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo h1 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.sidebar-logo .logo-deep { color: var(--text); }
.sidebar-logo .logo-alpha { color: var(--green); }
.sidebar-logo .logo-cloud { color: var(--purple); font-size: 0.7rem; font-weight: 500; margin-left: 6px; text-transform: uppercase; letter-spacing: 1px; }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font);
}

.nav-link:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.nav-link.active { background: var(--green-dim); color: var(--green); }

.nav-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-spacer { flex: 1; }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

/* --- Main content --- */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
}

/* --- Top bar --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(15,15,26,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 4px;
}

.hamburger svg { width: 24px; height: 24px; }

.topbar-user {
  font-weight: 600;
  font-size: 0.95rem;
}

.plan-badge {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-badge.free_trial { background: var(--purple-dim); color: var(--purple); }
.plan-badge.pro { background: var(--green-dim); color: var(--green); }
.plan-badge.lifetime { background: linear-gradient(135deg, var(--green-dim), var(--purple-dim)); color: var(--yellow); }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.bot-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.bot-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #555;
  transition: background var(--transition), box-shadow var(--transition);
}

.bot-dot.running {
  background: var(--green);
  box-shadow: 0 0 8px rgba(0,212,170,0.5);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 8px rgba(0,212,170,0.5); }
  50% { box-shadow: 0 0 16px rgba(0,212,170,0.8); }
}

/* --- Page content --- */
.page-content {
  padding: 28px;
}

.page-section {
  display: none;
}

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

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.3px;
}


/* ===================================================================
   STAT CARDS
   =================================================================== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition), transform var(--transition);
}

.stat-card:hover {
  border-color: #353555;
  transform: translateY(-2px);
}

.stat-card-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.stat-card-value.positive { color: var(--green); }
.stat-card-value.negative { color: var(--red); }


/* ===================================================================
   BOT CONTROL
   =================================================================== */
.bot-control {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.bot-control-info h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.bot-control-info p {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.btn-bot {
  padding: 12px 36px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 8px;
  min-width: 140px;
}

.btn-bot.start {
  background: var(--green);
  color: #0f0f1a;
}
.btn-bot.start:hover:not(:disabled) {
  background: #00e6b8;
  box-shadow: 0 0 24px rgba(0,212,170,0.3);
}

.btn-bot.stop {
  background: var(--red);
  color: #fff;
}
.btn-bot.stop:hover:not(:disabled) {
  background: #ff6680;
  box-shadow: 0 0 24px rgba(255,77,106,0.3);
}


/* ===================================================================
   TABLES
   =================================================================== */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
}

.table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.table-card-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
}

.table-wrapper {
  overflow-x: auto;
}

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

thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: default;
}

thead th.sortable { cursor: pointer; }
thead th.sortable:hover { color: var(--text); }

tbody tr {
  transition: background var(--transition);
}

tbody tr:nth-child(even) {
  background: rgba(255,255,255,0.015);
}

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

tbody td {
  padding: 11px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  white-space: nowrap;
}

.pnl-positive { color: var(--green); font-weight: 600; }
.pnl-negative { color: var(--red); font-weight: 600; }

.side-long { color: var(--green); }
.side-short { color: var(--red); }

.wl-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
}

.wl-badge.win { background: var(--green-dim); color: var(--green); }
.wl-badge.loss { background: var(--red-dim); color: var(--red); }

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  opacity: 0.3;
}


/* ===================================================================
   PAGINATION
   =================================================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.pagination button {
  padding: 6px 12px;
  font-size: 0.8rem;
  font-family: var(--font);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition);
}

.pagination button:hover:not(:disabled) {
  border-color: var(--green);
  color: var(--green);
}

.pagination button.active {
  background: var(--green);
  border-color: var(--green);
  color: #0f0f1a;
  font-weight: 600;
}

.pagination button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0 8px;
}


/* ===================================================================
   FILTERS
   =================================================================== */
.filters-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-select, .filter-input {
  padding: 8px 12px;
  font-size: 0.82rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition);
}

.filter-select:focus, .filter-input:focus {
  border-color: var(--purple);
}

.filter-select option { background: var(--bg-card); }


/* ===================================================================
   SETTINGS
   =================================================================== */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.settings-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.settings-card .card-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.key-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.85rem;
}

.key-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.key-dot.connected { background: var(--green); }
.key-dot.disconnected { background: var(--red); }

.settings-form .form-group { margin-bottom: 14px; }

.settings-form .form-group input {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition);
}

.settings-form .form-group input:focus { border-color: var(--purple); }

.settings-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.account-info-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.88rem;
}

.account-info-row:last-child { border-bottom: none; }

.account-info-row .label { color: var(--text-dim); }
.account-info-row .value { font-weight: 500; }

.upgrade-section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.upgrade-section p {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}


/* ===================================================================
   LOADING SPINNER
   =================================================================== */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

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


/* ===================================================================
   MOBILE OVERLAY
   =================================================================== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
}

.sidebar-overlay.active { display: block; }


/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open { display: block; }

  .main-content {
    margin-left: 0;
  }

  .hamburger { display: block; }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .bot-control {
    flex-direction: column;
    text-align: center;
  }

  .topbar {
    padding: 12px 16px;
  }

  .page-content {
    padding: 20px 16px;
  }

  .table-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .filters-row {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr;
  }

  .stat-card { padding: 16px; }

  .stat-card-value { font-size: 1.2rem; }

  .login-card {
    padding: 28px 20px 24px;
  }

  .pagination { flex-wrap: wrap; }
}