/* ============================================================
   LOGIN.CSS — Login Page Styles
   DerivPro Trading Platform
   ============================================================ */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-base);
  overflow: hidden;
  position: relative;
}

/* ---- Particle Canvas ---- */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ---- Grid overlay ---- */
.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

/* ---- Login Container ---- */
.login-container {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  max-width: 440px;
  padding: var(--space-6);
  animation: fadeInUp 0.6s ease both;
}

/* ---- Glow orbs ---- */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 2;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(249,115,22,0.12) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(139,92,246,0.10) 0%, transparent 70%);
  bottom: -80px;
  right: -80px;
  animation-delay: -4s;
}

/* ---- Login Card ---- */
.login-card {
  width: 100%;
  background: rgba(15, 15, 26, 0.85);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px rgba(255,255,255,0.04) inset;
  position: relative;
  overflow: hidden;
}

/* Top highlight line */
.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-brand);
  opacity: 0.6;
}

/* ---- Logo ---- */
.login-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.logo-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-orange-dim);
  border: 1px solid rgba(249,115,22,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  animation: glow-pulse 3s ease-in-out infinite;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.logo-name {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-tagline {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---- Login Header ---- */
.login-header {
  margin-bottom: var(--space-6);
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-1);
}

.login-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ---- Form ---- */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.forgot-link {
  font-size: 0.8rem;
  color: var(--accent-orange);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}
.forgot-link:hover { opacity: 1; }

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

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.form-input {
  width: 100%;
  height: 48px;
  padding: 0 44px 0 44px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 400;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

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

.form-input:focus {
  outline: none;
  border-color: var(--accent-orange);
  background: rgba(249,115,22,0.05);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.12);
}

.input-wrapper:focus-within .input-icon {
  color: var(--accent-orange);
}

.toggle-password {
  position: absolute;
  right: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.toggle-password:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }

/* ---- Form options ---- */
.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

/* Security Alert Box */
.security-alert-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: var(--space-4);
  animation: shake 0.35s ease;
}

.security-alert-box.hidden {
  display: none !important;
}

.security-alert-box.warning {
  background: rgba(249, 115, 22, 0.12);
  border-color: rgba(249, 115, 22, 0.35);
}

.security-alert-box.warning .sab-icon {
  color: #f97316;
}

.sab-icon {
  color: #ef4444;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  margin-top: 2px;
}

.sab-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sab-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.sab-desc {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.4;
}

.security-status-indicator {
  font-size: 0.70rem;
  font-weight: 600;
  color: #22c55e;
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.sec-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: live-blink 1.5s infinite;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

.btn-login.locked {
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--text-muted) !important;
  cursor: not-allowed !important;
  box-shadow: none !important;
  pointer-events: none;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  line-height: 1;
}

.checkbox-label input[type="checkbox"] { display: none; }

.checkbox-custom {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--border-default);
  border-radius: 4px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked ~ .checkbox-custom {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
}

.checkbox-label input[type="checkbox"]:checked ~ .checkbox-custom::after {
  content: '';
  width: 9px;
  height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  display: block;
}

/* ---- Login Button ---- */
.btn-login {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--grad-brand);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  margin-top: var(--space-3);
}

.btn-login::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-orange);
}

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

.btn-login.loading .btn-text,
.btn-login.loading .btn-arrow {
  opacity: 0;
}

.btn-login.loading .btn-loader {
  display: block;
}

.btn-loader {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  position: absolute;
}

.btn-arrow {
  transition: transform var(--transition-fast);
}
.btn-login:hover .btn-arrow {
  transform: translateX(3px);
}

/* ---- Badge ---- */
.login-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: live-blink 2s ease-in-out infinite;
  flex-shrink: 0;
}

/* ---- Version tag ---- */
.version-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.5;
  margin-top: var(--space-2);
  text-align: center;
  width: 100%;
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .login-container {
    padding: var(--space-4);
  }
  .login-card {
    padding: var(--space-6) var(--space-5);
  }
}