/* ABHRO GATEWAY - Login Page (Professional Light) */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-page);
  padding: 16px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: fixed;
  top: -15%;
  left: -15%;
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.10) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.login-page::after {
  content: '';
  position: fixed;
  bottom: -15%;
  right: -15%;
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.10) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

#particle-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5; }

.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-modal), 0 0 0 1px rgba(15, 23, 42, 0.04);
  animation: fadeInUp 0.5s ease both;
  overflow: hidden;
}

.login-header { padding: 40px 40px 22px; text-align: center; }

.login-logo {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  background: var(--gradient-brand);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-btn);
}
.login-logo i { font-size: 1.875rem; color: var(--text-inverse); }
.login-logo img { width: 100%; height: 100%; object-fit: contain; border-radius: var(--radius-lg); }

.login-brand {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.login-subtitle { color: var(--text-secondary); font-size: 0.875rem; margin-top: 6px; }

.login-body { padding: 0 40px 36px; }

.login-form .form-group { position: relative; }

.login-form .input-icon { position: relative; }

.login-form .input-icon i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9375rem;
  z-index: 1;
  pointer-events: none;
}

.login-form .input-icon .form-control { padding-left: 42px; }
.login-form .input-icon.has-append .form-control { padding-right: 44px; }

.pw-toggle {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--t-base);
  z-index: 2;
}
.pw-toggle:hover { color: var(--primary); }

.remember-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }

.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.875rem; color: var(--text-secondary); min-height: 24px; }
.checkbox-label input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; }

.forgot-link { font-size: 0.875rem; color: var(--primary); font-weight: 500; }
.forgot-link:hover { text-decoration: underline; }

.btn-login {
  width: 100%;
  min-height: 48px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn-login .btn-text { transition: opacity var(--t-base); }
.btn-login .btn-loader { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--t-base); }
.btn-login.loading .btn-text { opacity: 0; }
.btn-login.loading .btn-loader { opacity: 1; }
.btn-login.loading { pointer-events: none; }

/* OTP */
.otp-panel { display: none; animation: fadeInUp 0.3s ease both; }
.login-form.otp-mode .otp-panel { display: block; }
.login-form.otp-mode .credentials-panel { display: none; }

.otp-inputs { display: flex; gap: 10px; justify-content: center; margin: 24px 0; flex-wrap: nowrap; }

.otp-input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: var(--bg-secondary);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--t-base);
}
.otp-input:focus { border-color: var(--primary); box-shadow: var(--focus-ring); outline: none; }
.otp-input.filled { border-color: var(--primary); background: var(--primary-light); }

.otp-timer { text-align: center; font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 14px; }
.otp-timer span { color: var(--warning); font-weight: 600; font-family: var(--font-mono); }

.resend-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.875rem;
  cursor: pointer;
  text-decoration: underline;
  font-family: var(--font-body);
  padding: 6px;
  min-height: 32px;
  font-weight: 500;
}
.resend-btn:disabled { color: var(--text-muted); text-decoration: none; cursor: not-allowed; }

.login-footer {
  padding: 16px 40px 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.version-badge {
  position: fixed;
  bottom: 14px;
  right: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 5px 13px;
  font-size: 0.75rem;
  color: var(--text-muted);
  z-index: 10;
  box-shadow: var(--shadow-xs);
  font-family: var(--font-mono);
}

@media (max-width: 480px) {
  .login-header { padding: 30px 24px 18px; }
  .login-body   { padding: 0 24px 28px; }
  .login-footer { padding: 12px 24px 18px; }
  .otp-input    { width: 42px; height: 50px; font-size: 1.25rem; }
}

@media (max-width: 360px) {
  .otp-input { width: 36px; height: 46px; font-size: 1.125rem; }
  .otp-inputs { gap: 6px; }
}