/* Premium Trading Dashboard Styling System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-main: #080B10;          /* Deepest cosmic black */
  --bg-header: rgba(14, 18, 27, 0.8); /* Translucent header */
  --bg-pane: rgba(18, 23, 35, 0.55);  /* Glassmorphic card back */
  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.15);
  
  --color-text-primary: #F0F4F8;
  --color-text-muted: #808A9D;
  --color-text-accent: #3B82F6; /* Premium neon blue */
  
  --color-green: #0ECB81;
  --color-red: #F6465D;
  
  --color-green-bg: rgba(14, 203, 129, 0.08);
  --color-red-bg: rgba(246, 70, 93, 0.08);
  
  --color-green-border: rgba(14, 203, 129, 0.25);
  --color-red-border: rgba(246, 70, 93, 0.25);
  
  /* Fonts */
  --font-main: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  
  /* UI Elements */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--color-text-primary);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(20, 30, 48, 0.3) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(36, 17, 45, 0.2) 0px, transparent 50%);
}

/* Dashboard Header */
.dashboard-header {
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: #fff;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
  background: linear-gradient(to right, #ffffff, #93C5FD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Controls Grid Selector */
.controls-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.selector-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  font-family: var(--font-display);
}

.grid-select-container {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 3px;
  border-radius: var(--radius-md);
}

.grid-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  width: 34px;
  height: 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.grid-btn:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.grid-btn.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.8) 0%, rgba(139, 92, 246, 0.8) 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Charts Grid */
#charts-grid {
  display: grid;
  gap: 10px;
  padding: 10px;
  flex: 1;
  height: 0; /* Force grid layout to respect parent height */
  overflow: hidden;
}

/* Dynamic Grid Classes */
.grid-1 {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.grid-6 {
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.grid-8 {
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* Media Queries for Grid Responsiveness on smaller screens */
@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
  }
  .grid-4 {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 1fr);
  }
  .grid-6 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(3, 1fr);
  }
  .grid-8 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(4, 1fr);
  }
}

/* Chart Pane Card */
.chart-pane {
  background: var(--bg-pane);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.chart-pane:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Pane Header Controls */
.pane-header {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.2);
  gap: 8px;
}

.pane-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Select Dropdowns */
.select-wrapper {
  position: relative;
}

.select-control {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 11px;
  padding: 5px 22px 5px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
  transition: var(--transition-fast);
}

.select-control option {
  background-color: #0f131c;
  color: #f0f4f8;
}

.select-control optgroup {
  background-color: #080b10;
  color: var(--color-text-muted);
  font-weight: 600;
}

.select-control:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-hover);
}

.select-wrapper::after {
  content: "▼";
  font-size: 7px;
  color: var(--color-text-muted);
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* Ticker Bar Display */
.ticker-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--color-text-muted);
  transition: background-color 0.15s ease, border-color 0.15s ease;
  min-width: 110px;
  justify-content: center;
}

.ticker-price {
  font-weight: 700;
  letter-spacing: -0.2px;
}

/* Ticker Flashing Keyframes */
@keyframes flash-green {
  0% {
    background-color: var(--color-green);
    border-color: var(--color-green);
    color: #05070a;
  }
  100% {
    background-color: var(--color-green-bg);
    border-color: var(--color-green-border);
    color: var(--color-green);
  }
}

@keyframes flash-red {
  0% {
    background-color: var(--color-red);
    border-color: var(--color-red);
    color: #ffffff;
  }
  100% {
    background-color: var(--color-red-bg);
    border-color: var(--color-red-border);
    color: var(--color-red);
  }
}

.flash-green {
  animation: flash-green 0.7s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.flash-red {
  animation: flash-red 0.7s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

/* Chart Canvas Container */
.chart-container {
  flex: 1;
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* Loader Screen Overlay */
.pane-loader {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(8, 11, 16, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
  gap: 12px;
  opacity: 1;
  transition: opacity var(--transition-normal);
}

.pane-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px dashed var(--color-text-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loader-text {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Custom Webkit scrollbar for premium aesthetics */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ================= AUTHENTICATION & LOGIN UI ================= */

#login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 7, 10, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 1;
  transition: opacity var(--transition-normal);
}

#login-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.login-card {
  background: rgba(18, 23, 35, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 40px rgba(59, 130, 246, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.login-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #ffffff, #93C5FD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-main);
  font-size: 13px;
  padding: 10px 12px;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-text-accent);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
  color: #fff;
  border: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  padding: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.login-error {
  background: var(--color-red-bg);
  border: 1px solid var(--color-red-border);
  color: var(--color-red);
  font-size: 12px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
  display: none;
}

/* ================= HEADER CONTROLS EXTENSION ================= */

.header-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.header-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
}

.header-btn.danger {
  color: var(--color-red);
  background: var(--color-red-bg);
  border-color: var(--color-red-border);
}

.header-btn.danger:hover {
  background: rgba(246, 70, 93, 0.15);
  border-color: var(--color-red);
}

.header-btn.accent {
  color: var(--color-text-accent);
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.2);
}

.header-btn.accent:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--color-text-accent);
}

/* ================= MODAL DIALOGS (PASSWORD CHANGE) ================= */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 7, 10, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: rgba(18, 23, 35, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--border-color);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  color: var(--color-text-primary);
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.03);
}

/* ================= ADMIN CONSOLE PANEL ================= */

#admin-panel {
  display: flex;
  gap: 16px;
  padding: 16px;
  flex: 1;
  overflow: hidden;
  height: 0; /* Respect parent bounds */
}

#admin-panel.hidden {
  display: none;
}

.admin-column {
  background: var(--bg-pane);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.admin-column.list {
  flex: 2;
  overflow: hidden;
}

.admin-column.form {
  flex: 1;
  max-width: 380px;
  height: fit-content;
}

.admin-section-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  background: linear-gradient(to right, #fff, var(--color-text-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* User Management Table */
.table-container {
  flex: 1;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.15);
}

.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.users-table th, .users-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.users-table th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.5px;
}

.users-table tr:hover td {
  background: rgba(255, 255, 255, 0.01);
}

.role-tag {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.role-tag.admin {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.role-tag.user {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn-delete {
  background: transparent;
  border: 1px solid rgba(246, 70, 93, 0.3);
  color: var(--color-red);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  transition: var(--transition-fast);
}

.btn-delete:hover {
  background: var(--color-red-bg);
  border-color: var(--color-red);
}

.btn-delete:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  border-color: var(--border-color);
  color: var(--color-text-muted);
}

/* Broker Connection status dot */
.status-indicator.connected {
  background: var(--color-green) !important;
  box-shadow: 0 0 8px var(--color-green);
}
.status-indicator.disconnected {
  background: var(--color-red) !important;
  box-shadow: none;
}