/* Core Design System & Theme Variable Tokens */
:root {
  --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-accent: 'Outfit', sans-serif;

  /* Harmonious Sleek Dark Palette */
  --bg-main: #0b0c16;
  --bg-card: rgba(18, 20, 38, 0.45);
  --bg-card-hover: rgba(28, 30, 58, 0.6);
  --bg-input: rgba(10, 11, 22, 0.6);
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-focused: rgba(139, 92, 246, 0.4);

  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-white: #ffffff;

  --color-primary: #8b5cf6;
  --color-primary-hover: #7c3aed;
  --color-primary-glow: rgba(139, 92, 246, 0.3);

  --color-secondary: rgba(255, 255, 255, 0.05);
  --color-secondary-hover: rgba(255, 255, 255, 0.1);

  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.15);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.15);
  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.15);

  --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  --border-radius-sm: 6px;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-main);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: stretch;
}

/* Background Glow Effects */
.glow-bg {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  opacity: 0.3;
  pointer-events: none;
}

.glow-purple {
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  top: -10%;
  left: 10%;
}

.glow-blue {
  background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
  bottom: 10%;
  right: 10%;
}

/* Glassmorphism Card Style */
.card-glass {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-main);
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-normal), border var(--transition-fast), background-color var(--transition-fast);
}

.card-glass:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

/* General Layouts */
.hidden {
  display: none !important;
}

/* 1. Login Styles */
.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  z-index: 10;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  padding: 40px;
  background: rgba(15, 17, 34, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-main);
  border-radius: var(--border-radius-lg);
}

.login-logo {
  text-align: center;
  margin-bottom: 30px;
}

.logo-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
  display: inline-block;
  animation: float 4s ease-in-out infinite;
}

.login-logo h2 {
  font-family: var(--font-accent);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-text-white) 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-logo p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 5px;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  color: var(--color-text-white);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--border-glass-focused);
  box-shadow: 0 0 10px var(--color-primary-glow);
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper input {
  padding-right: 48px;
}

.btn-icon {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  transition: color var(--transition-fast);
}

.btn-icon:hover {
  color: var(--color-text-white);
}

.error-msg {
  color: var(--color-danger);
  font-size: 0.85rem;
  margin-bottom: 15px;
  text-align: center;
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  border: none;
  border-radius: var(--border-radius-md);
  color: var(--color-text-white);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px var(--color-primary-glow);
}

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

.btn-secondary {
  padding: 12px 24px;
  background-color: var(--color-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--border-radius-sm);
}

.btn-text {
  background: none;
  border: none;
  color: var(--color-primary);
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-text:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.w-full {
  width: 100%;
}

/* 2. Dashboard Interface Wrapper */
.dashboard-wrapper {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1200px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 40px 20px;
  z-index: 10;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 20px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand h1 {
  font-family: var(--font-accent);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-text-white);
}

.nav-brand .subtitle {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: -2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.server-time {
  font-family: var(--font-accent);
  font-size: 0.95rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 6px 14px;
  border-radius: 30px;
  display: flex;
  gap: 6px;
}

.time-label {
  color: var(--color-text-muted);
}

#vps-time {
  color: var(--color-primary);
  font-weight: 700;
}

/* Content Grid Layout */
.dashboard-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
  flex: 1;
}

.grid-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
}

@media (max-width: 900px) {
  .grid-layout {
    grid-template-columns: 1fr;
  }
}

/* Card Header */
.card-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3 {
  font-family: var(--font-accent);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-white);
}

/* Badges */
.badge {
  padding: 6px 12px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-disconnected {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-connecting {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
  animation: pulse 1.5s infinite;
}

.badge-connected {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* QR Code Container and States */
.qr-container {
  min-height: 280px;
  margin: 30px auto;
  width: 280px;
  border: 1px dashed var(--border-glass);
  border-radius: var(--border-radius-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  background-color: rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.qr-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
  background: white;
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.qr-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  padding: 20px;
  text-align: center;
}

.qr-overlay p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.success-icon {
  font-size: 4rem;
  animation: bounce-in 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.connected-text {
  font-size: 1.1rem !important;
  font-weight: 700;
  color: var(--color-success) !important;
}

.connected-subtext {
  font-size: 0.8rem !important;
}

.qr-actions {
  padding: 0 24px 20px 24px;
}

.card-footer-text {
  padding: 0 24px 24px 24px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* Details Section */
.info-list {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding-bottom: 12px;
}

.info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.info-value {
  font-size: 0.9rem;
  color: var(--color-text-white);
}

.text-bold {
  font-weight: 600;
}

.text-success {
  color: var(--color-success);
}

.text-mono {
  font-family: monospace;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
}

/* Credentials Toggle Box */
.credential-section {
  padding: 0 24px 24px 24px;
  border-top: 1px solid var(--border-glass);
  margin-top: 10px;
}

.card-header-small {
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header-small h4 {
  font-size: 0.9rem;
  color: var(--color-text-white);
  font-weight: 600;
}

.credentials-box {
  margin-top: 15px;
  background-color: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.form-group-small label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.copy-input-group {
  display: flex;
  gap: 8px;
}

.copy-input-group input {
  font-size: 0.8rem;
  padding: 8px 12px;
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-white);
  flex: 1;
}

.btn-copy-small {
  padding: 6px 12px;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--border-radius-sm);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-copy-small:hover {
  background-color: var(--color-primary-hover);
}

.btn-icon-small {
  background: var(--color-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0 10px;
  transition: color var(--transition-fast);
}

.btn-icon-small:hover {
  color: var(--color-text-white);
}

/* 3. Integration Panel / Tabs */
.tabs-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tabs-header {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-glass);
  overflow-x: auto;
  padding: 0 24px;
}

.tab-btn {
  padding: 14px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-text-white);
}

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

.tabs-content {
  padding: 0 24px 24px 24px;
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: 24px;
  animation: fade-in 0.4s ease;
}

.tab-pane.active {
  display: flex;
}

.integration-step {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.integration-step h4 {
  font-size: 0.95rem;
  color: var(--color-text-white);
  font-weight: 600;
}

.step-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Method URL Bar */
.method-url-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 8px 12px;
}

.badge-method {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  color: white;
}

.method-post {
  background-color: #ec4899;
}

.endpoint-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text-white);
  font-family: monospace;
  font-size: 0.85rem;
  outline: none;
}

.btn-copy {
  padding: 6px 14px;
  background-color: var(--color-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-sm);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-copy:hover {
  background-color: var(--color-secondary-hover);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-text-white);
}

/* Code block styles */
.code-block-wrapper {
  position: relative;
  background-color: #05060b;
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 16px;
  overflow-x: auto;
}

.code-block-wrapper pre {
  margin: 0;
  font-family: monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #34d399;
}

.btn-copy-code {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-muted);
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-copy-code:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-text-white);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Footer */
.main-footer {
  text-align: center;
  margin-top: 60px;
  border-top: 1px solid var(--border-glass);
  padding-top: 20px;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* --- Animations --- */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.98); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes bounce-in {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.05); opacity: 0.8; }
  70% { transform: scale(0.9); opacity: 0.9; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.spinner {
  border: 4px solid rgba(255, 255, 255, 0.1);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border-left-color: var(--color-primary);
  animation: spin 1s linear infinite;
}

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