@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-main: #0b0f19;
  --bg-sidebar: #111827;
  --bg-card: #1f293d;
  --bg-card-hover: #26334d;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --success-hover: #059669;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --glass-bg: rgba(31, 41, 61, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

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

body.dark-theme {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
  height: 100vh;
}

/* LOGIN MODAL OVERLAY */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 15, 25, 0.92);
  backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

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

.login-card {
  width: 100%;
  max-width: 400px;
  background: #192235;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  animation: modalScale 0.3s ease;
}

@keyframes modalScale {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-header .brand-icon {
  margin: 0 auto 16px auto;
  width: 54px;
  height: 54px;
  font-size: 28px;
}

.login-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.login-header p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.btn-lg {
  padding: 12px 20px;
  font-size: 15px;
}

.full-width {
  width: 100%;
}

.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 10;
}

.brand {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.brand-text h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
}

.brand-text span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-menu {
  flex: 1;
  padding: 15px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  width: 100%;
}

.nav-item i {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.05));
  color: var(--primary);
  border-left: 3px solid var(--primary);
  font-weight: 600;
}

.sidebar-footer {
  padding: 15px;
  border-top: 1px solid var(--border-color);
  background-color: rgba(0, 0, 0, 0.2);
}

.server-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #9ca3af;
}

.status-dot.running { background-color: var(--success); box-shadow: 0 0 10px var(--success); }
.status-dot.stopped { background-color: var(--danger); }
.status-dot.starting { background-color: var(--warning); animation: pulse 1.5s infinite; }

@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

.server-mini-info {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

/* Main Content Styling */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 24px;
}

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.header-title h1 {
  font-size: 24px;
  font-weight: 700;
}

.header-title span {
  font-size: 13px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 10px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary { background-color: var(--primary); color: #fff; }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-success { background-color: var(--success); color: #fff; }
.btn-success:hover { background-color: var(--success-hover); }
.btn-warning { background-color: var(--warning); color: #111827; }
.btn-danger { background-color: var(--danger); color: #fff; }
.btn-danger:hover { background-color: var(--danger-hover); }
.btn-secondary { background-color: #374151; color: #fff; }
.btn-secondary:hover { background-color: #4b5563; }
.btn-outline-danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.btn-outline-danger:hover { background-color: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-xs { padding: 4px 8px; font-size: 11px; }

/* Cards & Layout */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.02);
}

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-body {
  padding: 20px;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.metric-icon.tps { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.metric-icon.players { background: rgba(59, 130, 246, 0.15); color: var(--primary); }
.metric-icon.ram { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.metric-icon.cpu { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.metric-icon.disk { background: rgba(236, 72, 153, 0.15); color: #ec4899; }
.metric-icon.uptime { background: rgba(20, 184, 166, 0.15); color: #14b8a6; }

.metric-info {
  flex: 1;
}

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

.metric-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 2px 0 6px 0;
}

.metric-info small {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.progress-bar-bg {
  width: 100%;
  height: 5px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  transition: width 0.4s ease;
}

.fill-tps { background-color: var(--success); }
.fill-players { background-color: var(--primary); }
.fill-ram { background-color: #a855f7; }
.fill-cpu { background-color: var(--warning); }
.fill-disk { background-color: #ec4899; }

.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.server-details-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 13px;
}

.detail-item span { color: var(--text-muted); }
.detail-item strong { color: var(--text-main); word-break: break-all; }

/* Tabs Visibility */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Console Terminal Window */
.console-wrapper {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 150px);
}

.console-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  gap: 15px;
  background-color: #161e2e;
}

.console-tools {
  display: flex;
  gap: 10px;
  flex: 1;
}

.form-control {
  background-color: #111827;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
}

.console-body {
  flex: 1;
  background-color: #0b0f19;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 15px;
  overflow-y: auto;
  white-space: pre-wrap;
  color: #e5e7eb;
  line-height: 1.5;
}

.console-line {
  margin-bottom: 4px;
}

.console-line.WARN { color: #f59e0b; }
.console-line.ERROR, .console-line.FATAL { color: #ef4444; font-weight: bold; }

.console-input-bar {
  display: flex;
  align-items: center;
  background-color: #111827;
  padding: 8px 15px;
  border-top: 1px solid var(--border-color);
  gap: 10px;
}

.prompt-symbol {
  color: var(--primary);
  font-family: var(--font-mono);
  font-weight: bold;
}

.console-input-bar input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
}

.quick-cmd-buttons {
  padding: 8px 15px;
  background-color: #161e2e;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
}

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

.table th {
  padding: 12px 16px;
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.table tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.player-avatar {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

/* Badges */
.badge {
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.badge-info { background: rgba(59, 130, 246, 0.2); color: var(--primary); }

/* Worlds Grid */
.worlds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.world-card {
  padding: 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.02);
}

.world-card.active-world {
  border-color: var(--success);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

/* Subtabs Nav */
.tabs-nav {
  display: flex;
  list-style: none;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 15px;
}

.tab-link {
  padding: 10px 20px;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  font-weight: 500;
}

.tab-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.subtab-content { display: none; }
.subtab-content.active { display: block; }

/* File Editor Layout */
.file-editor-layout {
  display: flex;
  height: calc(100vh - 150px);
}

.file-tree-sidebar {
  width: 250px;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.tree-header { padding: 12px; border-bottom: 1px solid var(--border-color); }
.tree-body { flex: 1; overflow-y: auto; padding: 10px; font-size: 13px; }

.tree-item {
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tree-item:hover { background-color: rgba(255, 255, 255, 0.05); }
.tree-item.selected { background-color: var(--primary); color: #fff; }

.file-editor-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.editor-header { padding: 10px 15px; border-bottom: 1px solid var(--border-color); background: #161e2e; }

#config-file-content {
  flex: 1;
  background-color: #0b0f19;
  color: #e5e7eb;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 15px;
  border: none;
  outline: none;
  resize: none;
}

/* Grids & Forms */
.grid-2-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.margin-top { margin-top: 20px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

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

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

.form-group.full-width {
  grid-column: span 2;
}

.input-group {
  display: flex;
  gap: 10px;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  background-color: #1f293d;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  font-size: 13px;
  border-left: 4px solid var(--primary);
  animation: slideIn 0.3s ease;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }

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